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gfs2 fixes

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- Don't update inode timestamps for direct writes (performance regression fix).
 
 - Skip no-op quota records instead of panicing.
 
 - Fix a RCU race in gfs2_permission().
 
 - Various other smaller fixes and cleanups all over the place.
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Merge tag 'gfs2-v6.6-rc2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2

Pull gfs2 updates from Andreas Gruenbacher:

 - Don't update inode timestamps for direct writes (performance
   regression fix)

 - Skip no-op quota records instead of panicing

 - Fix a RCU race in gfs2_permission()

 - Various other smaller fixes and cleanups all over the place

* tag 'gfs2-v6.6-rc2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2: (24 commits)
  gfs2: don't withdraw if init_threads() got interrupted
  gfs2: remove dead code in add_to_queue
  gfs2: Fix slab-use-after-free in gfs2_qd_dealloc
  gfs2: Silence "suspicious RCU usage in gfs2_permission" warning
  gfs2: fs: derive f_fsid from s_uuid
  gfs2: No longer use 'extern' in function declarations
  gfs2: Rename gfs2_lookup_{ simple => meta }
  gfs2: Convert gfs2_internal_read to folios
  gfs2: Convert stuffed_readpage to folios
  gfs2: Minor gfs2_write_jdata_batch PAGE_SIZE cleanup
  gfs2: Get rid of gfs2_alloc_blocks generation parameter
  gfs2: Add metapath_dibh helper
  gfs2: Clean up quota.c:print_message
  gfs2: Clean up gfs2_alloc_parms initializers
  gfs2: Two quota=account mode fixes
  gfs2: Stop using GFS2_BASIC_BLOCK and GFS2_BASIC_BLOCK_SHIFT
  gfs2: setattr_chown: Add missing initialization
  gfs2: fix an oops in gfs2_permission
  gfs2: ignore negated quota changes
  gfs2: Don't update inode timestamps for direct writes
  ...
This commit is contained in:
Linus Torvalds 2023-11-07 11:54:17 -08:00
commit 1a0507d878
30 changed files with 416 additions and 428 deletions
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8
fs/gfs2/acl.h
View File

@ -11,9 +11,9 @@
#define GFS2_ACL_MAX_ENTRIES(sdp) ((300 << (sdp)->sd_sb.sb_bsize_shift) >> 12)
extern struct posix_acl *gfs2_get_acl(struct inode *inode, int type, bool rcu);
extern int __gfs2_set_acl(struct inode *inode, struct posix_acl *acl, int type);
extern int gfs2_set_acl(struct mnt_idmap *idmap, struct dentry *dentry,
struct posix_acl *acl, int type);
struct posix_acl *gfs2_get_acl(struct inode *inode, int type, bool rcu);
int __gfs2_set_acl(struct inode *inode, struct posix_acl *acl, int type);
int gfs2_set_acl(struct mnt_idmap *idmap, struct dentry *dentry,
struct posix_acl *acl, int type);
#endif /* __ACL_DOT_H__ */

72
fs/gfs2/aops.c
View File

@ -155,7 +155,7 @@ static int gfs2_jdata_writepage(struct page *page, struct writeback_control *wbc
struct gfs2_inode *ip = GFS2_I(inode);
struct gfs2_sbd *sdp = GFS2_SB(inode);
if (gfs2_assert_withdraw(sdp, gfs2_glock_is_held_excl(ip->i_gl)))
if (gfs2_assert_withdraw(sdp, ip->i_gl->gl_state == LM_ST_EXCLUSIVE))
goto out;
if (folio_test_checked(folio) || current->journal_info)
goto out_ignore;
@ -214,12 +214,12 @@ static int gfs2_write_jdata_batch(struct address_space *mapping,
unsigned nrblocks;
int i;
int ret;
int nr_pages = 0;
size_t size = 0;
int nr_folios = folio_batch_count(fbatch);
for (i = 0; i < nr_folios; i++)
nr_pages += folio_nr_pages(fbatch->folios[i]);
nrblocks = nr_pages * (PAGE_SIZE >> inode->i_blkbits);
size += folio_size(fbatch->folios[i]);
nrblocks = size >> inode->i_blkbits;
ret = gfs2_trans_begin(sdp, nrblocks, nrblocks);
if (ret < 0)
@ -403,27 +403,27 @@ static int gfs2_jdata_writepages(struct address_space *mapping,
}
/**
* stuffed_readpage - Fill in a Linux page with stuffed file data
* stuffed_readpage - Fill in a Linux folio with stuffed file data
* @ip: the inode
* @page: the page
* @folio: the folio
*
* Returns: errno
*/
static int stuffed_readpage(struct gfs2_inode *ip, struct page *page)
static int stuffed_readpage(struct gfs2_inode *ip, struct folio *folio)
{
struct buffer_head *dibh;
u64 dsize = i_size_read(&ip->i_inode);
void *kaddr;
size_t i_size = i_size_read(&ip->i_inode);
void *data;
int error;
/*
* Due to the order of unstuffing files and ->fault(), we can be
* asked for a zero page in the case of a stuffed file being extended,
* asked for a zero folio in the case of a stuffed file being extended,
* so we need to supply one here. It doesn't happen often.
*/
if (unlikely(page->index)) {
zero_user(page, 0, PAGE_SIZE);
SetPageUptodate(page);
if (unlikely(folio->index)) {
folio_zero_range(folio, 0, folio_size(folio));
folio_mark_uptodate(folio);
return 0;
}
@ -431,13 +431,11 @@ static int stuffed_readpage(struct gfs2_inode *ip, struct page *page)
if (error)
return error;
kaddr = kmap_local_page(page);
memcpy(kaddr, dibh->b_data + sizeof(struct gfs2_dinode), dsize);
memset(kaddr + dsize, 0, PAGE_SIZE - dsize);
kunmap_local(kaddr);
flush_dcache_page(page);
data = dibh->b_data + sizeof(struct gfs2_dinode);
memcpy_to_folio(folio, 0, data, i_size);
folio_zero_range(folio, i_size, folio_size(folio) - i_size);
brelse(dibh);
SetPageUptodate(page);
folio_mark_uptodate(folio);
return 0;
}
@ -458,7 +456,7 @@ static int gfs2_read_folio(struct file *file, struct folio *folio)
(i_blocksize(inode) == PAGE_SIZE && !folio_buffers(folio))) {
error = iomap_read_folio(folio, &gfs2_iomap_ops);
} else if (gfs2_is_stuffed(ip)) {
error = stuffed_readpage(ip, &folio->page);
error = stuffed_readpage(ip, folio);
folio_unlock(folio);
} else {
error = mpage_read_folio(folio, gfs2_block_map);
@ -479,31 +477,29 @@ static int gfs2_read_folio(struct file *file, struct folio *folio)
*
*/
int gfs2_internal_read(struct gfs2_inode *ip, char *buf, loff_t *pos,
unsigned size)
ssize_t gfs2_internal_read(struct gfs2_inode *ip, char *buf, loff_t *pos,
size_t size)
{
struct address_space *mapping = ip->i_inode.i_mapping;
unsigned long index = *pos >> PAGE_SHIFT;
unsigned offset = *pos & (PAGE_SIZE - 1);
unsigned copied = 0;
unsigned amt;
struct page *page;
size_t copied = 0;
do {
page = read_cache_page(mapping, index, gfs2_read_folio, NULL);
if (IS_ERR(page)) {
if (PTR_ERR(page) == -EINTR)
size_t offset, chunk;
struct folio *folio;
folio = read_cache_folio(mapping, index, gfs2_read_folio, NULL);
if (IS_ERR(folio)) {
if (PTR_ERR(folio) == -EINTR)
continue;
return PTR_ERR(page);
return PTR_ERR(folio);
}
amt = size - copied;
if (offset + size > PAGE_SIZE)
amt = PAGE_SIZE - offset;
memcpy_from_page(buf + copied, page, offset, amt);
put_page(page);
copied += amt;
index++;
offset = 0;
offset = *pos + copied - folio_pos(folio);
chunk = min(size - copied, folio_size(folio) - offset);
memcpy_from_folio(buf + copied, folio, offset, chunk);
index = folio_next_index(folio);
folio_put(folio);
copied += chunk;
} while(copied < size);
(*pos) += size;
return size;

6
fs/gfs2/aops.h
View File

@ -8,8 +8,8 @@
#include "incore.h"
extern void adjust_fs_space(struct inode *inode);
extern void gfs2_trans_add_databufs(struct gfs2_inode *ip, struct folio *folio,
size_t from, size_t len);
void adjust_fs_space(struct inode *inode);
void gfs2_trans_add_databufs(struct gfs2_inode *ip, struct folio *folio,
size_t from, size_t len);
#endif /* __AOPS_DOT_H__ */

17
fs/gfs2/bmap.c
View File

@ -104,7 +104,7 @@ static int __gfs2_unstuff_inode(struct gfs2_inode *ip, struct folio *folio)
and write it out to disk */
unsigned int n = 1;
error = gfs2_alloc_blocks(ip, &block, &n, 0, NULL);
error = gfs2_alloc_blocks(ip, &block, &n, 0);
if (error)
goto out_brelse;
if (isdir) {
@ -315,6 +315,12 @@ static void gfs2_metapath_ra(struct gfs2_glock *gl, __be64 *start, __be64 *end)
}
}
static inline struct buffer_head *
metapath_dibh(struct metapath *mp)
{
return mp->mp_bh[0];
}
static int __fillup_metapath(struct gfs2_inode *ip, struct metapath *mp,
unsigned int x, unsigned int h)
{
@ -413,13 +419,12 @@ static void release_metapath(struct metapath *mp)
* gfs2_extent_length - Returns length of an extent of blocks
* @bh: The metadata block
* @ptr: Current position in @bh
* @limit: Max extent length to return
* @eob: Set to 1 if we hit "end of block"
*
* Returns: The length of the extent (minimum of one block)
*/
static inline unsigned int gfs2_extent_length(struct buffer_head *bh, __be64 *ptr, size_t limit, int *eob)
static inline unsigned int gfs2_extent_length(struct buffer_head *bh, __be64 *ptr, int *eob)
{
const __be64 *end = (__be64 *)(bh->b_data + bh->b_size);
const __be64 *first = ptr;
@ -658,7 +663,7 @@ static int __gfs2_iomap_alloc(struct inode *inode, struct iomap *iomap,
{
struct gfs2_inode *ip = GFS2_I(inode);
struct gfs2_sbd *sdp = GFS2_SB(inode);
struct buffer_head *dibh = mp->mp_bh[0];
struct buffer_head *dibh = metapath_dibh(mp);
u64 bn;
unsigned n, i, blks, alloced = 0, iblks = 0, branch_start = 0;
size_t dblks = iomap->length >> inode->i_blkbits;
@ -700,7 +705,7 @@ static int __gfs2_iomap_alloc(struct inode *inode, struct iomap *iomap,
i = mp->mp_aheight;
do {
n = blks - alloced;
ret = gfs2_alloc_blocks(ip, &bn, &n, 0, NULL);
ret = gfs2_alloc_blocks(ip, &bn, &n, 0);
if (ret)
goto out;
alloced += n;
@ -911,7 +916,7 @@ unstuff:
goto do_alloc;
bh = mp->mp_bh[ip->i_height - 1];
len = gfs2_extent_length(bh, ptr, len, &eob);
len = gfs2_extent_length(bh, ptr, &eob);
iomap->addr = be64_to_cpu(*ptr) << inode->i_blkbits;
iomap->length = len << inode->i_blkbits;

38
fs/gfs2/bmap.h
View File

@ -46,24 +46,24 @@ static inline void gfs2_write_calc_reserv(const struct gfs2_inode *ip,
extern const struct iomap_ops gfs2_iomap_ops;
extern const struct iomap_writeback_ops gfs2_writeback_ops;
extern int gfs2_unstuff_dinode(struct gfs2_inode *ip);
extern int gfs2_block_map(struct inode *inode, sector_t lblock,
struct buffer_head *bh, int create);
extern int gfs2_iomap_get(struct inode *inode, loff_t pos, loff_t length,
struct iomap *iomap);
extern int gfs2_iomap_alloc(struct inode *inode, loff_t pos, loff_t length,
struct iomap *iomap);
extern int gfs2_get_extent(struct inode *inode, u64 lblock, u64 *dblock,
unsigned int *extlen);
extern int gfs2_alloc_extent(struct inode *inode, u64 lblock, u64 *dblock,
unsigned *extlen, bool *new);
extern int gfs2_setattr_size(struct inode *inode, u64 size);
extern int gfs2_truncatei_resume(struct gfs2_inode *ip);
extern int gfs2_file_dealloc(struct gfs2_inode *ip);
extern int gfs2_write_alloc_required(struct gfs2_inode *ip, u64 offset,
unsigned int len);
extern int gfs2_map_journal_extents(struct gfs2_sbd *sdp, struct gfs2_jdesc *jd);
extern void gfs2_free_journal_extents(struct gfs2_jdesc *jd);
extern int __gfs2_punch_hole(struct file *file, loff_t offset, loff_t length);
int gfs2_unstuff_dinode(struct gfs2_inode *ip);
int gfs2_block_map(struct inode *inode, sector_t lblock,
struct buffer_head *bh, int create);
int gfs2_iomap_get(struct inode *inode, loff_t pos, loff_t length,
struct iomap *iomap);
int gfs2_iomap_alloc(struct inode *inode, loff_t pos, loff_t length,
struct iomap *iomap);
int gfs2_get_extent(struct inode *inode, u64 lblock, u64 *dblock,
unsigned int *extlen);
int gfs2_alloc_extent(struct inode *inode, u64 lblock, u64 *dblock,
unsigned *extlen, bool *new);
int gfs2_setattr_size(struct inode *inode, u64 size);
int gfs2_truncatei_resume(struct gfs2_inode *ip);
int gfs2_file_dealloc(struct gfs2_inode *ip);
int gfs2_write_alloc_required(struct gfs2_inode *ip, u64 offset,
unsigned int len);
int gfs2_map_journal_extents(struct gfs2_sbd *sdp, struct gfs2_jdesc *jd);
void gfs2_free_journal_extents(struct gfs2_jdesc *jd);
int __gfs2_punch_hole(struct file *file, loff_t offset, loff_t length);
#endif /* __BMAP_DOT_H__ */

2
fs/gfs2/dir.c
View File

@ -868,7 +868,7 @@ static struct gfs2_leaf *new_leaf(struct inode *inode, struct buffer_head **pbh,
struct gfs2_dirent *dent;
struct timespec64 tv = current_time(inode);
error = gfs2_alloc_blocks(ip, &bn, &n, 0, NULL);
error = gfs2_alloc_blocks(ip, &bn, &n, 0);
if (error)
return NULL;
bh = gfs2_meta_new(ip->i_gl, bn);

38
fs/gfs2/dir.h
View File

@ -23,32 +23,32 @@ struct gfs2_diradd {
int save_loc;
};
extern struct inode *gfs2_dir_search(struct inode *dir,
const struct qstr *filename,
bool fail_on_exist);
extern int gfs2_dir_check(struct inode *dir, const struct qstr *filename,
const struct gfs2_inode *ip);
extern int gfs2_dir_add(struct inode *inode, const struct qstr *filename,
const struct gfs2_inode *ip, struct gfs2_diradd *da);
struct inode *gfs2_dir_search(struct inode *dir,
const struct qstr *filename,
bool fail_on_exist);
int gfs2_dir_check(struct inode *dir, const struct qstr *filename,
const struct gfs2_inode *ip);
int gfs2_dir_add(struct inode *inode, const struct qstr *filename,
const struct gfs2_inode *ip, struct gfs2_diradd *da);
static inline void gfs2_dir_no_add(struct gfs2_diradd *da)
{
brelse(da->bh);
da->bh = NULL;
}
extern int gfs2_dir_del(struct gfs2_inode *dip, const struct dentry *dentry);
extern int gfs2_dir_read(struct inode *inode, struct dir_context *ctx,
struct file_ra_state *f_ra);
extern int gfs2_dir_mvino(struct gfs2_inode *dip, const struct qstr *filename,
const struct gfs2_inode *nip, unsigned int new_type);
int gfs2_dir_del(struct gfs2_inode *dip, const struct dentry *dentry);
int gfs2_dir_read(struct inode *inode, struct dir_context *ctx,
struct file_ra_state *f_ra);
int gfs2_dir_mvino(struct gfs2_inode *dip, const struct qstr *filename,
const struct gfs2_inode *nip, unsigned int new_type);
extern int gfs2_dir_exhash_dealloc(struct gfs2_inode *dip);
int gfs2_dir_exhash_dealloc(struct gfs2_inode *dip);
extern int gfs2_diradd_alloc_required(struct inode *dir,
const struct qstr *filename,
struct gfs2_diradd *da);
extern int gfs2_dir_get_new_buffer(struct gfs2_inode *ip, u64 block,
struct buffer_head **bhp);
extern void gfs2_dir_hash_inval(struct gfs2_inode *ip);
int gfs2_diradd_alloc_required(struct inode *dir,
const struct qstr *filename,
struct gfs2_diradd *da);
int gfs2_dir_get_new_buffer(struct gfs2_inode *ip, u64 block,
struct buffer_head **bhp);
void gfs2_dir_hash_inval(struct gfs2_inode *ip);
static inline u32 gfs2_disk_hash(const char *data, int len)
{

18
fs/gfs2/file.c
View File

@ -418,7 +418,7 @@ static vm_fault_t gfs2_page_mkwrite(struct vm_fault *vmf)
struct inode *inode = file_inode(vmf->vma->vm_file);
struct gfs2_inode *ip = GFS2_I(inode);
struct gfs2_sbd *sdp = GFS2_SB(inode);
struct gfs2_alloc_parms ap = { .aflags = 0, };
struct gfs2_alloc_parms ap = {};
u64 offset = page_offset(page);
unsigned int data_blocks, ind_blocks, rblocks;
vm_fault_t ret = VM_FAULT_LOCKED;
@ -1120,14 +1120,16 @@ static ssize_t gfs2_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
if (ret)
goto out_unlock;
ret = file_update_time(file);
if (ret)
goto out_unlock;
if (iocb->ki_flags & IOCB_DIRECT) {
struct address_space *mapping = file->f_mapping;
ssize_t buffered, ret2;
/*
* Note that under direct I/O, we don't allow and inode
* timestamp updates, so we're not calling file_update_time()
* here.
*/
ret = gfs2_file_direct_write(iocb, from, &gh);
if (ret < 0 || !iov_iter_count(from))
goto out_unlock;
@ -1154,6 +1156,10 @@ static ssize_t gfs2_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
if (!ret || ret2 > 0)
ret += ret2;
} else {
ret = file_update_time(file);
if (ret)
goto out_unlock;
ret = gfs2_file_buffered_write(iocb, from, &gh);
if (likely(ret > 0))
ret = generic_write_sync(iocb, ret);
@ -1245,7 +1251,7 @@ static long __gfs2_fallocate(struct file *file, int mode, loff_t offset, loff_t
struct inode *inode = file_inode(file);
struct gfs2_sbd *sdp = GFS2_SB(inode);
struct gfs2_inode *ip = GFS2_I(inode);
struct gfs2_alloc_parms ap = { .aflags = 0, };
struct gfs2_alloc_parms ap = {};
unsigned int data_blocks = 0, ind_blocks = 0, rblocks;
loff_t bytes, max_bytes, max_blks;
int error;

1
fs/gfs2/glock.c
View File

@ -1524,7 +1524,6 @@ fail:
return;
}
list_add_tail(&gh->gh_list, insert_pt);
gh = list_first_entry(&gl->gl_holders, struct gfs2_holder, gh_list);
spin_unlock(&gl->gl_lockref.lock);
if (sdp->sd_lockstruct.ls_ops->lm_cancel)
sdp->sd_lockstruct.ls_ops->lm_cancel(gl);

113
fs/gfs2/glock.h
View File

@ -156,21 +156,6 @@ out:
return gh;
}
static inline int gfs2_glock_is_held_excl(struct gfs2_glock *gl)
{
return gl->gl_state == LM_ST_EXCLUSIVE;
}
static inline int gfs2_glock_is_held_dfrd(struct gfs2_glock *gl)
{
return gl->gl_state == LM_ST_DEFERRED;
}
static inline int gfs2_glock_is_held_shrd(struct gfs2_glock *gl)
{
return gl->gl_state == LM_ST_SHARED;
}
static inline struct address_space *gfs2_glock2aspace(struct gfs2_glock *gl)
{
if (gl->gl_ops->go_flags & GLOF_ASPACE) {
@ -181,40 +166,40 @@ static inline struct address_space *gfs2_glock2aspace(struct gfs2_glock *gl)
return NULL;
}
extern int gfs2_glock_get(struct gfs2_sbd *sdp, u64 number,
const struct gfs2_glock_operations *glops,
int create, struct gfs2_glock **glp);
extern struct gfs2_glock *gfs2_glock_hold(struct gfs2_glock *gl);
extern void gfs2_glock_put(struct gfs2_glock *gl);
extern void gfs2_glock_queue_put(struct gfs2_glock *gl);
int gfs2_glock_get(struct gfs2_sbd *sdp, u64 number,
const struct gfs2_glock_operations *glops,
int create, struct gfs2_glock **glp);
struct gfs2_glock *gfs2_glock_hold(struct gfs2_glock *gl);
void gfs2_glock_put(struct gfs2_glock *gl);
void gfs2_glock_queue_put(struct gfs2_glock *gl);
extern void __gfs2_holder_init(struct gfs2_glock *gl, unsigned int state,
u16 flags, struct gfs2_holder *gh,
unsigned long ip);
void __gfs2_holder_init(struct gfs2_glock *gl, unsigned int state,
u16 flags, struct gfs2_holder *gh,
unsigned long ip);
static inline void gfs2_holder_init(struct gfs2_glock *gl, unsigned int state,
u16 flags, struct gfs2_holder *gh) {
__gfs2_holder_init(gl, state, flags, gh, _RET_IP_);
}
extern void gfs2_holder_reinit(unsigned int state, u16 flags,
struct gfs2_holder *gh);
extern void gfs2_holder_uninit(struct gfs2_holder *gh);
extern int gfs2_glock_nq(struct gfs2_holder *gh);
extern int gfs2_glock_poll(struct gfs2_holder *gh);
extern int gfs2_instantiate(struct gfs2_holder *gh);
extern int gfs2_glock_holder_ready(struct gfs2_holder *gh);
extern int gfs2_glock_wait(struct gfs2_holder *gh);
extern int gfs2_glock_async_wait(unsigned int num_gh, struct gfs2_holder *ghs);
extern void gfs2_glock_dq(struct gfs2_holder *gh);
extern void gfs2_glock_dq_wait(struct gfs2_holder *gh);
extern void gfs2_glock_dq_uninit(struct gfs2_holder *gh);
extern int gfs2_glock_nq_num(struct gfs2_sbd *sdp, u64 number,
const struct gfs2_glock_operations *glops,
unsigned int state, u16 flags,
struct gfs2_holder *gh);
extern int gfs2_glock_nq_m(unsigned int num_gh, struct gfs2_holder *ghs);
extern void gfs2_glock_dq_m(unsigned int num_gh, struct gfs2_holder *ghs);
extern void gfs2_dump_glock(struct seq_file *seq, struct gfs2_glock *gl,
void gfs2_holder_reinit(unsigned int state, u16 flags,
struct gfs2_holder *gh);
void gfs2_holder_uninit(struct gfs2_holder *gh);
int gfs2_glock_nq(struct gfs2_holder *gh);
int gfs2_glock_poll(struct gfs2_holder *gh);
int gfs2_instantiate(struct gfs2_holder *gh);
int gfs2_glock_holder_ready(struct gfs2_holder *gh);
int gfs2_glock_wait(struct gfs2_holder *gh);
int gfs2_glock_async_wait(unsigned int num_gh, struct gfs2_holder *ghs);
void gfs2_glock_dq(struct gfs2_holder *gh);
void gfs2_glock_dq_wait(struct gfs2_holder *gh);
void gfs2_glock_dq_uninit(struct gfs2_holder *gh);
int gfs2_glock_nq_num(struct gfs2_sbd *sdp, u64 number,
const struct gfs2_glock_operations *glops,
unsigned int state, u16 flags,
struct gfs2_holder *gh);
int gfs2_glock_nq_m(unsigned int num_gh, struct gfs2_holder *ghs);
void gfs2_glock_dq_m(unsigned int num_gh, struct gfs2_holder *ghs);
void gfs2_dump_glock(struct seq_file *seq, struct gfs2_glock *gl,
bool fsid);
#define GLOCK_BUG_ON(gl,x) do { if (unlikely(x)) { \
gfs2_dump_glock(NULL, gl, true); \
@ -228,7 +213,7 @@ extern void gfs2_dump_glock(struct seq_file *seq, struct gfs2_glock *gl,
gfs2_assert_withdraw((gl)->gl_name.ln_sbd, (x)); } } \
while (0)
extern __printf(2, 3)
__printf(2, 3)
void gfs2_print_dbg(struct seq_file *seq, const char *fmt, ...);
/**
@ -256,27 +241,27 @@ static inline int gfs2_glock_nq_init(struct gfs2_glock *gl,
return error;
}
extern void gfs2_glock_cb(struct gfs2_glock *gl, unsigned int state);
extern void gfs2_glock_complete(struct gfs2_glock *gl, int ret);
extern bool gfs2_queue_try_to_evict(struct gfs2_glock *gl);
extern void gfs2_cancel_delete_work(struct gfs2_glock *gl);
extern void gfs2_flush_delete_work(struct gfs2_sbd *sdp);
extern void gfs2_gl_hash_clear(struct gfs2_sbd *sdp);
extern void gfs2_gl_dq_holders(struct gfs2_sbd *sdp);
extern void gfs2_glock_thaw(struct gfs2_sbd *sdp);
extern void gfs2_glock_add_to_lru(struct gfs2_glock *gl);
extern void gfs2_glock_free(struct gfs2_glock *gl);
void gfs2_glock_cb(struct gfs2_glock *gl, unsigned int state);
void gfs2_glock_complete(struct gfs2_glock *gl, int ret);
bool gfs2_queue_try_to_evict(struct gfs2_glock *gl);
void gfs2_cancel_delete_work(struct gfs2_glock *gl);
void gfs2_flush_delete_work(struct gfs2_sbd *sdp);
void gfs2_gl_hash_clear(struct gfs2_sbd *sdp);
void gfs2_gl_dq_holders(struct gfs2_sbd *sdp);
void gfs2_glock_thaw(struct gfs2_sbd *sdp);
void gfs2_glock_add_to_lru(struct gfs2_glock *gl);
void gfs2_glock_free(struct gfs2_glock *gl);
extern int __init gfs2_glock_init(void);
extern void gfs2_glock_exit(void);
int __init gfs2_glock_init(void);
void gfs2_glock_exit(void);
extern void gfs2_create_debugfs_file(struct gfs2_sbd *sdp);
extern void gfs2_delete_debugfs_file(struct gfs2_sbd *sdp);
extern void gfs2_register_debugfs(void);
extern void gfs2_unregister_debugfs(void);
void gfs2_create_debugfs_file(struct gfs2_sbd *sdp);
void gfs2_delete_debugfs_file(struct gfs2_sbd *sdp);
void gfs2_register_debugfs(void);
void gfs2_unregister_debugfs(void);
extern void glock_set_object(struct gfs2_glock *gl, void *object);
extern void glock_clear_object(struct gfs2_glock *gl, void *object);
void glock_set_object(struct gfs2_glock *gl, void *object);
void glock_clear_object(struct gfs2_glock *gl, void *object);
extern const struct lm_lockops gfs2_dlm_ops;
@ -295,7 +280,7 @@ static inline bool gfs2_holder_queued(struct gfs2_holder *gh)
return !list_empty(&gh->gh_list);
}
extern void gfs2_inode_remember_delete(struct gfs2_glock *gl, u64 generation);
extern bool gfs2_inode_already_deleted(struct gfs2_glock *gl, u64 generation);
void gfs2_inode_remember_delete(struct gfs2_glock *gl, u64 generation);
bool gfs2_inode_already_deleted(struct gfs2_glock *gl, u64 generation);
#endif /* __GLOCK_DOT_H__ */

13
fs/gfs2/glops.c
View File

@ -614,18 +614,6 @@ static int freeze_go_xmote_bh(struct gfs2_glock *gl)
return 0;
}
/**
* freeze_go_demote_ok
* @gl: the glock
*
* Always returns 0
*/
static int freeze_go_demote_ok(const struct gfs2_glock *gl)
{
return 0;
}
/**
* iopen_go_callback - schedule the dcache entry for the inode to be deleted
* @gl: the glock
@ -745,7 +733,6 @@ const struct gfs2_glock_operations gfs2_rgrp_glops = {
const struct gfs2_glock_operations gfs2_freeze_glops = {
.go_xmote_bh = freeze_go_xmote_bh,
.go_demote_ok = freeze_go_demote_ok,
.go_callback = freeze_go_callback,
.go_type = LM_TYPE_NONDISK,
.go_flags = GLOF_NONDISK,

4
fs/gfs2/glops.h
View File

@ -22,7 +22,7 @@ extern const struct gfs2_glock_operations gfs2_quota_glops;
extern const struct gfs2_glock_operations gfs2_journal_glops;
extern const struct gfs2_glock_operations *gfs2_glops_list[];
extern int gfs2_inode_metasync(struct gfs2_glock *gl);
extern void gfs2_ail_flush(struct gfs2_glock *gl, bool fsync);
int gfs2_inode_metasync(struct gfs2_glock *gl);
void gfs2_ail_flush(struct gfs2_glock *gl, bool fsync);
#endif /* __GLOPS_DOT_H__ */

2
fs/gfs2/incore.h
View File

@ -863,7 +863,7 @@ static inline void gfs2_sbstats_inc(const struct gfs2_glock *gl, int which)
preempt_enable();
}
extern struct gfs2_rgrpd *gfs2_glock2rgrp(struct gfs2_glock *gl);
struct gfs2_rgrpd *gfs2_glock2rgrp(struct gfs2_glock *gl);
static inline unsigned gfs2_max_stuffed_size(const struct gfs2_inode *ip)
{

33
fs/gfs2/inode.c
View File

@ -266,17 +266,18 @@ fail_iput:
}
struct inode *gfs2_lookup_simple(struct inode *dip, const char *name)
/**
* gfs2_lookup_meta - Look up an inode in a metadata directory
* @dip: The directory
* @name: The name of the inode
*/
struct inode *gfs2_lookup_meta(struct inode *dip, const char *name)
{
struct qstr qstr;
struct inode *inode;
gfs2_str2qstr(&qstr, name);
inode = gfs2_lookupi(dip, &qstr, 1);
/* gfs2_lookupi has inconsistent callers: vfs
* related routines expect NULL for no entry found,
* gfs2_lookup_simple callers expect ENOENT
* and do not check for NULL.
*/
if (IS_ERR_OR_NULL(inode))
return inode ? inode : ERR_PTR(-ENOENT);
@ -418,7 +419,7 @@ static int alloc_dinode(struct gfs2_inode *ip, u32 flags, unsigned *dblocks)
if (error)
goto out_ipreserv;
error = gfs2_alloc_blocks(ip, &ip->i_no_addr, dblocks, 1, &ip->i_generation);
error = gfs2_alloc_blocks(ip, &ip->i_no_addr, dblocks, 1);
if (error)
goto out_trans_end;
@ -1867,16 +1868,24 @@ out:
int gfs2_permission(struct mnt_idmap *idmap, struct inode *inode,
int mask)
{
int may_not_block = mask & MAY_NOT_BLOCK;
struct gfs2_inode *ip;
struct gfs2_holder i_gh;
struct gfs2_glock *gl;
int error;
gfs2_holder_mark_uninitialized(&i_gh);
ip = GFS2_I(inode);
if (gfs2_glock_is_locked_by_me(ip->i_gl) == NULL) {
if (mask & MAY_NOT_BLOCK)
gl = rcu_dereference_check(ip->i_gl, !may_not_block);
if (unlikely(!gl)) {
/* inode is getting torn down, must be RCU mode */
WARN_ON_ONCE(!may_not_block);
return -ECHILD;
}
if (gfs2_glock_is_locked_by_me(gl) == NULL) {
if (may_not_block)
return -ECHILD;
error = gfs2_glock_nq_init(ip->i_gl, LM_ST_SHARED, LM_FLAG_ANY, &i_gh);
error = gfs2_glock_nq_init(gl, LM_ST_SHARED, LM_FLAG_ANY, &i_gh);
if (error)
return error;
}
@ -1921,7 +1930,7 @@ static int setattr_chown(struct inode *inode, struct iattr *attr)
kuid_t ouid, nuid;
kgid_t ogid, ngid;
int error;
struct gfs2_alloc_parms ap;
struct gfs2_alloc_parms ap = {};
ouid = inode->i_uid;
ogid = inode->i_gid;
@ -2154,7 +2163,7 @@ static int gfs2_update_time(struct inode *inode, int flags)
int error;
gh = gfs2_glock_is_locked_by_me(gl);
if (gh && !gfs2_glock_is_held_excl(gl)) {
if (gh && gl->gl_state != LM_ST_EXCLUSIVE) {
gfs2_glock_dq(gh);
gfs2_holder_reinit(LM_ST_EXCLUSIVE, 0, gh);
error = gfs2_glock_nq(gh);

56
fs/gfs2/inode.h
View File

@ -13,9 +13,9 @@
#include "util.h"
bool gfs2_release_folio(struct folio *folio, gfp_t gfp_mask);
extern int gfs2_internal_read(struct gfs2_inode *ip,
char *buf, loff_t *pos, unsigned size);
extern void gfs2_set_aops(struct inode *inode);
ssize_t gfs2_internal_read(struct gfs2_inode *ip,
char *buf, loff_t *pos, size_t size);
void gfs2_set_aops(struct inode *inode);
static inline int gfs2_is_stuffed(const struct gfs2_inode *ip)
{
@ -44,19 +44,17 @@ static inline int gfs2_is_dir(const struct gfs2_inode *ip)
static inline void gfs2_set_inode_blocks(struct inode *inode, u64 blocks)
{
inode->i_blocks = blocks <<
(GFS2_SB(inode)->sd_sb.sb_bsize_shift - GFS2_BASIC_BLOCK_SHIFT);
inode->i_blocks = blocks << (inode->i_blkbits - 9);
}
static inline u64 gfs2_get_inode_blocks(const struct inode *inode)
{
return inode->i_blocks >>
(GFS2_SB(inode)->sd_sb.sb_bsize_shift - GFS2_BASIC_BLOCK_SHIFT);
return inode->i_blocks >> (inode->i_blkbits - 9);
}
static inline void gfs2_add_inode_blocks(struct inode *inode, s64 change)
{
change <<= inode->i_blkbits - GFS2_BASIC_BLOCK_SHIFT;
change <<= inode->i_blkbits - 9;
gfs2_assert(GFS2_SB(inode), (change >= 0 || inode->i_blocks >= -change));
inode->i_blocks += change;
}
@ -88,33 +86,33 @@ err:
return -EIO;
}
extern struct inode *gfs2_inode_lookup(struct super_block *sb, unsigned type,
u64 no_addr, u64 no_formal_ino,
unsigned int blktype);
extern struct inode *gfs2_lookup_by_inum(struct gfs2_sbd *sdp, u64 no_addr,
u64 no_formal_ino,
unsigned int blktype);
struct inode *gfs2_inode_lookup(struct super_block *sb, unsigned type,
u64 no_addr, u64 no_formal_ino,
unsigned int blktype);
struct inode *gfs2_lookup_by_inum(struct gfs2_sbd *sdp, u64 no_addr,
u64 no_formal_ino,
unsigned int blktype);
extern int gfs2_inode_refresh(struct gfs2_inode *ip);
int gfs2_inode_refresh(struct gfs2_inode *ip);
extern struct inode *gfs2_lookupi(struct inode *dir, const struct qstr *name,
int is_root);
extern int gfs2_permission(struct mnt_idmap *idmap,
struct inode *inode, int mask);
extern struct inode *gfs2_lookup_simple(struct inode *dip, const char *name);
extern void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf);
extern int gfs2_open_common(struct inode *inode, struct file *file);
extern loff_t gfs2_seek_data(struct file *file, loff_t offset);
extern loff_t gfs2_seek_hole(struct file *file, loff_t offset);
struct inode *gfs2_lookupi(struct inode *dir, const struct qstr *name,
int is_root);
int gfs2_permission(struct mnt_idmap *idmap,
struct inode *inode, int mask);
struct inode *gfs2_lookup_meta(struct inode *dip, const char *name);
void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf);
int gfs2_open_common(struct inode *inode, struct file *file);
loff_t gfs2_seek_data(struct file *file, loff_t offset);
loff_t gfs2_seek_hole(struct file *file, loff_t offset);
extern const struct file_operations gfs2_file_fops_nolock;
extern const struct file_operations gfs2_dir_fops_nolock;
extern int gfs2_fileattr_get(struct dentry *dentry, struct fileattr *fa);
extern int gfs2_fileattr_set(struct mnt_idmap *idmap,
struct dentry *dentry, struct fileattr *fa);
extern void gfs2_set_inode_flags(struct inode *inode);
int gfs2_fileattr_get(struct dentry *dentry, struct fileattr *fa);
int gfs2_fileattr_set(struct mnt_idmap *idmap,
struct dentry *dentry, struct fileattr *fa);
void gfs2_set_inode_flags(struct inode *inode);
#ifdef CONFIG_GFS2_FS_LOCKING_DLM
extern const struct file_operations gfs2_file_fops;
extern const struct file_operations gfs2_dir_fops;

46
fs/gfs2/log.h
View File

@ -70,29 +70,29 @@ static inline void gfs2_ordered_add_inode(struct gfs2_inode *ip)
}
}
extern void gfs2_ordered_del_inode(struct gfs2_inode *ip);
extern unsigned int gfs2_struct2blk(struct gfs2_sbd *sdp, unsigned int nstruct);
extern void gfs2_remove_from_ail(struct gfs2_bufdata *bd);
extern bool gfs2_log_is_empty(struct gfs2_sbd *sdp);
extern void gfs2_log_release_revokes(struct gfs2_sbd *sdp, unsigned int revokes);
extern void gfs2_log_release(struct gfs2_sbd *sdp, unsigned int blks);
extern bool gfs2_log_try_reserve(struct gfs2_sbd *sdp, struct gfs2_trans *tr,
unsigned int *extra_revokes);
extern void gfs2_log_reserve(struct gfs2_sbd *sdp, struct gfs2_trans *tr,
unsigned int *extra_revokes);
extern void gfs2_write_log_header(struct gfs2_sbd *sdp, struct gfs2_jdesc *jd,
u64 seq, u32 tail, u32 lblock, u32 flags,
blk_opf_t op_flags);
extern void gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl,
u32 type);
extern void gfs2_log_commit(struct gfs2_sbd *sdp, struct gfs2_trans *trans);
extern void gfs2_ail1_flush(struct gfs2_sbd *sdp, struct writeback_control *wbc);
extern void log_flush_wait(struct gfs2_sbd *sdp);
void gfs2_ordered_del_inode(struct gfs2_inode *ip);
unsigned int gfs2_struct2blk(struct gfs2_sbd *sdp, unsigned int nstruct);
void gfs2_remove_from_ail(struct gfs2_bufdata *bd);
bool gfs2_log_is_empty(struct gfs2_sbd *sdp);
void gfs2_log_release_revokes(struct gfs2_sbd *sdp, unsigned int revokes);
void gfs2_log_release(struct gfs2_sbd *sdp, unsigned int blks);
bool gfs2_log_try_reserve(struct gfs2_sbd *sdp, struct gfs2_trans *tr,
unsigned int *extra_revokes);
void gfs2_log_reserve(struct gfs2_sbd *sdp, struct gfs2_trans *tr,
unsigned int *extra_revokes);
void gfs2_write_log_header(struct gfs2_sbd *sdp, struct gfs2_jdesc *jd,
u64 seq, u32 tail, u32 lblock, u32 flags,
blk_opf_t op_flags);
void gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl,
u32 type);
void gfs2_log_commit(struct gfs2_sbd *sdp, struct gfs2_trans *trans);
void gfs2_ail1_flush(struct gfs2_sbd *sdp, struct writeback_control *wbc);
void log_flush_wait(struct gfs2_sbd *sdp);
extern int gfs2_logd(void *data);
extern void gfs2_add_revoke(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd);
extern void gfs2_glock_remove_revoke(struct gfs2_glock *gl);
extern void gfs2_flush_revokes(struct gfs2_sbd *sdp);
extern void gfs2_ail_drain(struct gfs2_sbd *sdp);
int gfs2_logd(void *data);
void gfs2_add_revoke(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd);
void gfs2_glock_remove_revoke(struct gfs2_glock *gl);
void gfs2_flush_revokes(struct gfs2_sbd *sdp);
void gfs2_ail_drain(struct gfs2_sbd *sdp);
#endif /* __LOG_DOT_H__ */

22
fs/gfs2/lops.h
View File

@ -11,16 +11,18 @@
#include "incore.h"
extern const struct gfs2_log_operations *gfs2_log_ops[];
extern void gfs2_log_incr_head(struct gfs2_sbd *sdp);
extern u64 gfs2_log_bmap(struct gfs2_jdesc *jd, unsigned int lbn);
extern void gfs2_log_write(struct gfs2_sbd *sdp, struct gfs2_jdesc *jd,
struct page *page, unsigned size, unsigned offset,
u64 blkno);
extern void gfs2_log_submit_bio(struct bio **biop, blk_opf_t opf);
extern void gfs2_pin(struct gfs2_sbd *sdp, struct buffer_head *bh);
extern int gfs2_find_jhead(struct gfs2_jdesc *jd,
struct gfs2_log_header_host *head, bool keep_cache);
extern void gfs2_drain_revokes(struct gfs2_sbd *sdp);
void gfs2_log_incr_head(struct gfs2_sbd *sdp);
u64 gfs2_log_bmap(struct gfs2_jdesc *jd, unsigned int lbn);
void gfs2_log_write(struct gfs2_sbd *sdp, struct gfs2_jdesc *jd,
struct page *page, unsigned size, unsigned offset,
u64 blkno);
void gfs2_log_submit_bio(struct bio **biop, blk_opf_t opf);
void gfs2_pin(struct gfs2_sbd *sdp, struct buffer_head *bh);
int gfs2_find_jhead(struct gfs2_jdesc *jd,
struct gfs2_log_header_host *head, bool keep_cache);
void gfs2_drain_revokes(struct gfs2_sbd *sdp);
static inline unsigned int buf_limit(struct gfs2_sbd *sdp)
{
return sdp->sd_ldptrs;

20
fs/gfs2/meta_io.h
View File

@ -50,21 +50,21 @@ static inline struct gfs2_sbd *gfs2_mapping2sbd(struct address_space *mapping)
return inode->i_sb->s_fs_info;
}
extern struct buffer_head *gfs2_meta_new(struct gfs2_glock *gl, u64 blkno);
extern int gfs2_meta_read(struct gfs2_glock *gl, u64 blkno, int flags,
int rahead, struct buffer_head **bhp);
extern int gfs2_meta_wait(struct gfs2_sbd *sdp, struct buffer_head *bh);
extern struct buffer_head *gfs2_getbuf(struct gfs2_glock *gl, u64 blkno,
int create);
struct buffer_head *gfs2_meta_new(struct gfs2_glock *gl, u64 blkno);
int gfs2_meta_read(struct gfs2_glock *gl, u64 blkno, int flags,
int rahead, struct buffer_head **bhp);
int gfs2_meta_wait(struct gfs2_sbd *sdp, struct buffer_head *bh);
struct buffer_head *gfs2_getbuf(struct gfs2_glock *gl, u64 blkno,
int create);
enum {
REMOVE_JDATA = 0,
REMOVE_META = 1,
};
extern void gfs2_remove_from_journal(struct buffer_head *bh, int meta);
extern void gfs2_journal_wipe(struct gfs2_inode *ip, u64 bstart, u32 blen);
extern int gfs2_meta_buffer(struct gfs2_inode *ip, u32 mtype, u64 num,
struct buffer_head **bhp);
void gfs2_remove_from_journal(struct buffer_head *bh, int meta);
void gfs2_journal_wipe(struct gfs2_inode *ip, u64 bstart, u32 blen);
int gfs2_meta_buffer(struct gfs2_inode *ip, u32 mtype, u64 num,
struct buffer_head **bhp);
static inline int gfs2_meta_inode_buffer(struct gfs2_inode *ip,
struct buffer_head **bhp)

28
fs/gfs2/ops_fstype.c
View File

@ -292,8 +292,7 @@ static int gfs2_read_sb(struct gfs2_sbd *sdp, int silent)
return error;
}
sdp->sd_fsb2bb_shift = sdp->sd_sb.sb_bsize_shift -
GFS2_BASIC_BLOCK_SHIFT;
sdp->sd_fsb2bb_shift = sdp->sd_sb.sb_bsize_shift - 9;
sdp->sd_fsb2bb = BIT(sdp->sd_fsb2bb_shift);
sdp->sd_diptrs = (sdp->sd_sb.sb_bsize -
sizeof(struct gfs2_dinode)) / sizeof(u64);
@ -648,7 +647,7 @@ static int init_statfs(struct gfs2_sbd *sdp)
struct gfs2_jdesc *jd;
struct gfs2_inode *ip;
sdp->sd_statfs_inode = gfs2_lookup_simple(master, "statfs");
sdp->sd_statfs_inode = gfs2_lookup_meta(master, "statfs");
if (IS_ERR(sdp->sd_statfs_inode)) {
error = PTR_ERR(sdp->sd_statfs_inode);
fs_err(sdp, "can't read in statfs inode: %d\n", error);
@ -657,7 +656,7 @@ static int init_statfs(struct gfs2_sbd *sdp)
if (sdp->sd_args.ar_spectator)
goto out;
pn = gfs2_lookup_simple(master, "per_node");
pn = gfs2_lookup_meta(master, "per_node");
if (IS_ERR(pn)) {
error = PTR_ERR(pn);
fs_err(sdp, "can't find per_node directory: %d\n", error);
@ -674,7 +673,7 @@ static int init_statfs(struct gfs2_sbd *sdp)
goto free_local;
}
sprintf(buf, "statfs_change%u", jd->jd_jid);
lsi->si_sc_inode = gfs2_lookup_simple(pn, buf);
lsi->si_sc_inode = gfs2_lookup_meta(pn, buf);
if (IS_ERR(lsi->si_sc_inode)) {
error = PTR_ERR(lsi->si_sc_inode);
fs_err(sdp, "can't find local \"sc\" file#%u: %d\n",
@ -739,7 +738,7 @@ static int init_journal(struct gfs2_sbd *sdp, int undo)
if (undo)
goto fail_statfs;
sdp->sd_jindex = gfs2_lookup_simple(master, "jindex");
sdp->sd_jindex = gfs2_lookup_meta(master, "jindex");
if (IS_ERR(sdp->sd_jindex)) {
fs_err(sdp, "can't lookup journal index: %d\n", error);
return PTR_ERR(sdp->sd_jindex);
@ -888,7 +887,7 @@ static int init_inodes(struct gfs2_sbd *sdp, int undo)
goto fail;
/* Read in the resource index inode */
sdp->sd_rindex = gfs2_lookup_simple(master, "rindex");
sdp->sd_rindex = gfs2_lookup_meta(master, "rindex");
if (IS_ERR(sdp->sd_rindex)) {
error = PTR_ERR(sdp->sd_rindex);
fs_err(sdp, "can't get resource index inode: %d\n", error);
@ -897,7 +896,7 @@ static int init_inodes(struct gfs2_sbd *sdp, int undo)
sdp->sd_rindex_uptodate = 0;
/* Read in the quota inode */
sdp->sd_quota_inode = gfs2_lookup_simple(master, "quota");
sdp->sd_quota_inode = gfs2_lookup_meta(master, "quota");
if (IS_ERR(sdp->sd_quota_inode)) {
error = PTR_ERR(sdp->sd_quota_inode);
fs_err(sdp, "can't get quota file inode: %d\n", error);
@ -941,7 +940,7 @@ static int init_per_node(struct gfs2_sbd *sdp, int undo)
if (undo)
goto fail_qc_gh;
pn = gfs2_lookup_simple(master, "per_node");
pn = gfs2_lookup_meta(master, "per_node");
if (IS_ERR(pn)) {
error = PTR_ERR(pn);
fs_err(sdp, "can't find per_node directory: %d\n", error);
@ -949,7 +948,7 @@ static int init_per_node(struct gfs2_sbd *sdp, int undo)
}
sprintf(buf, "quota_change%u", sdp->sd_jdesc->jd_jid);
sdp->sd_qc_inode = gfs2_lookup_simple(pn, buf);
sdp->sd_qc_inode = gfs2_lookup_meta(pn, buf);
if (IS_ERR(sdp->sd_qc_inode)) {
error = PTR_ERR(sdp->sd_qc_inode);
fs_err(sdp, "can't find local \"qc\" file: %d\n", error);
@ -1187,10 +1186,9 @@ static int gfs2_fill_super(struct super_block *sb, struct fs_context *fc)
/* Set up the buffer cache and fill in some fake block size values
to allow us to read-in the on-disk superblock. */
sdp->sd_sb.sb_bsize = sb_min_blocksize(sb, GFS2_BASIC_BLOCK);
sdp->sd_sb.sb_bsize = sb_min_blocksize(sb, 512);
sdp->sd_sb.sb_bsize_shift = sb->s_blocksize_bits;
sdp->sd_fsb2bb_shift = sdp->sd_sb.sb_bsize_shift -
GFS2_BASIC_BLOCK_SHIFT;
sdp->sd_fsb2bb_shift = sdp->sd_sb.sb_bsize_shift - 9;
sdp->sd_fsb2bb = BIT(sdp->sd_fsb2bb_shift);
sdp->sd_tune.gt_logd_secs = sdp->sd_args.ar_commit;
@ -1278,10 +1276,8 @@ static int gfs2_fill_super(struct super_block *sb, struct fs_context *fc)
if (!sb_rdonly(sb)) {
error = init_threads(sdp);
if (error) {
gfs2_withdraw_delayed(sdp);
if (error)
goto fail_per_node;
}
}
error = gfs2_freeze_lock_shared(sdp);

31
fs/gfs2/quota.c
View File

@ -470,6 +470,17 @@ static int qd_check_sync(struct gfs2_sbd *sdp, struct gfs2_quota_data *qd,
(sync_gen && (qd->qd_sync_gen >= *sync_gen)))
return 0;
/*
* If qd_change is 0 it means a pending quota change was negated.
* We should not sync it, but we still have a qd reference and slot
* reference taken by gfs2_quota_change -> do_qc that need to be put.
*/
if (!qd->qd_change && test_and_clear_bit(QDF_CHANGE, &qd->qd_flags)) {
slot_put(qd);
qd_put(qd);
return 0;
}
if (!lockref_get_not_dead(&qd->qd_lockref))
return 0;
@ -912,7 +923,7 @@ static int do_sync(unsigned int num_qd, struct gfs2_quota_data **qda)
{
struct gfs2_sbd *sdp = (*qda)->qd_sbd;
struct gfs2_inode *ip = GFS2_I(sdp->sd_quota_inode);
struct gfs2_alloc_parms ap = { .aflags = 0, };
struct gfs2_alloc_parms ap = {};
unsigned int data_blocks, ind_blocks;
struct gfs2_holder *ghs, i_gh;
unsigned int qx, x;
@ -1086,8 +1097,7 @@ int gfs2_quota_lock(struct gfs2_inode *ip, kuid_t uid, kgid_t gid)
u32 x;
int error;
if (sdp->sd_args.ar_quota != GFS2_QUOTA_ON &&
sdp->sd_args.ar_quota != GFS2_QUOTA_QUIET)
if (sdp->sd_args.ar_quota == GFS2_QUOTA_OFF)
return 0;
error = gfs2_quota_hold(ip, uid, gid);
@ -1194,17 +1204,16 @@ void gfs2_quota_unlock(struct gfs2_inode *ip)
#define MAX_LINE 256
static int print_message(struct gfs2_quota_data *qd, char *type)
static void print_message(struct gfs2_quota_data *qd, char *type)
{
struct gfs2_sbd *sdp = qd->qd_sbd;
if (sdp->sd_args.ar_quota != GFS2_QUOTA_QUIET)
if (sdp->sd_args.ar_quota != GFS2_QUOTA_QUIET) {
fs_info(sdp, "quota %s for %s %u\n",
type,
(qd->qd_id.type == USRQUOTA) ? "user" : "group",
from_kqid(&init_user_ns, qd->qd_id));
return 0;
}
}
/**
@ -1274,7 +1283,8 @@ int gfs2_quota_check(struct gfs2_inode *ip, kuid_t uid, kgid_t gid,
* HZ)) {
quota_send_warning(qd->qd_id,
sdp->sd_vfs->s_dev, QUOTA_NL_BSOFTWARN);
error = print_message(qd, "warning");
print_message(qd, "warning");
error = 0;
qd->qd_last_warn = jiffies;
}
}
@ -1288,8 +1298,7 @@ void gfs2_quota_change(struct gfs2_inode *ip, s64 change,
u32 x;
struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
if ((sdp->sd_args.ar_quota != GFS2_QUOTA_ON &&
sdp->sd_args.ar_quota != GFS2_QUOTA_QUIET) ||
if (sdp->sd_args.ar_quota == GFS2_QUOTA_OFF ||
gfs2_assert_warn(sdp, change))
return;
if (ip->i_diskflags & GFS2_DIF_SYSTEM)
@ -1746,7 +1755,7 @@ static int gfs2_set_dqblk(struct super_block *sb, struct kqid qid,
if (gfs2_is_stuffed(ip))
alloc_required = 1;
if (alloc_required) {
struct gfs2_alloc_parms ap = { .aflags = 0, };
struct gfs2_alloc_parms ap = {};
gfs2_write_calc_reserv(ip, sizeof(struct gfs2_quota),
&data_blocks, &ind_blocks);
blocks = 1 + data_blocks + ind_blocks;

38
fs/gfs2/quota.h
View File

@ -15,27 +15,27 @@ struct gfs2_sbd;
#define NO_UID_QUOTA_CHANGE INVALID_UID
#define NO_GID_QUOTA_CHANGE INVALID_GID
extern int gfs2_qa_get(struct gfs2_inode *ip);
extern void gfs2_qa_put(struct gfs2_inode *ip);
extern int gfs2_quota_hold(struct gfs2_inode *ip, kuid_t uid, kgid_t gid);
extern void gfs2_quota_unhold(struct gfs2_inode *ip);
int gfs2_qa_get(struct gfs2_inode *ip);
void gfs2_qa_put(struct gfs2_inode *ip);
int gfs2_quota_hold(struct gfs2_inode *ip, kuid_t uid, kgid_t gid);
void gfs2_quota_unhold(struct gfs2_inode *ip);
extern int gfs2_quota_lock(struct gfs2_inode *ip, kuid_t uid, kgid_t gid);
extern void gfs2_quota_unlock(struct gfs2_inode *ip);
int gfs2_quota_lock(struct gfs2_inode *ip, kuid_t uid, kgid_t gid);
void gfs2_quota_unlock(struct gfs2_inode *ip);
extern int gfs2_quota_check(struct gfs2_inode *ip, kuid_t uid, kgid_t gid,
struct gfs2_alloc_parms *ap);
extern void gfs2_quota_change(struct gfs2_inode *ip, s64 change,
kuid_t uid, kgid_t gid);
int gfs2_quota_check(struct gfs2_inode *ip, kuid_t uid, kgid_t gid,
struct gfs2_alloc_parms *ap);
void gfs2_quota_change(struct gfs2_inode *ip, s64 change,
kuid_t uid, kgid_t gid);
extern int gfs2_quota_sync(struct super_block *sb, int type);
extern int gfs2_quota_refresh(struct gfs2_sbd *sdp, struct kqid qid);
int gfs2_quota_sync(struct super_block *sb, int type);
int gfs2_quota_refresh(struct gfs2_sbd *sdp, struct kqid qid);
extern int gfs2_quota_init(struct gfs2_sbd *sdp);
extern void gfs2_quota_cleanup(struct gfs2_sbd *sdp);
extern int gfs2_quotad(void *data);
int gfs2_quota_init(struct gfs2_sbd *sdp);
void gfs2_quota_cleanup(struct gfs2_sbd *sdp);
int gfs2_quotad(void *data);
extern void gfs2_wake_up_statfs(struct gfs2_sbd *sdp);
void gfs2_wake_up_statfs(struct gfs2_sbd *sdp);
static inline int gfs2_quota_lock_check(struct gfs2_inode *ip,
struct gfs2_alloc_parms *ap)
@ -50,8 +50,7 @@ static inline int gfs2_quota_lock_check(struct gfs2_inode *ip,
ret = gfs2_quota_lock(ip, NO_UID_QUOTA_CHANGE, NO_GID_QUOTA_CHANGE);
if (ret)
return ret;
if (sdp->sd_args.ar_quota != GFS2_QUOTA_ON &&
sdp->sd_args.ar_quota != GFS2_QUOTA_QUIET)
if (sdp->sd_args.ar_quota == GFS2_QUOTA_ACCOUNT)
return 0;
ret = gfs2_quota_check(ip, ip->i_inode.i_uid, ip->i_inode.i_gid, ap);
if (ret)
@ -63,6 +62,7 @@ extern const struct quotactl_ops gfs2_quotactl_ops;
int __init gfs2_qd_shrinker_init(void);
void gfs2_qd_shrinker_exit(void);
extern struct list_lru gfs2_qd_lru;
extern void __init gfs2_quota_hash_init(void);
void __init gfs2_quota_hash_init(void);
#endif /* __QUOTA_DOT_H__ */

18
fs/gfs2/recovery.h
View File

@ -17,18 +17,18 @@ static inline void gfs2_replay_incr_blk(struct gfs2_jdesc *jd, u32 *blk)
*blk = 0;
}
extern int gfs2_replay_read_block(struct gfs2_jdesc *jd, unsigned int blk,
int gfs2_replay_read_block(struct gfs2_jdesc *jd, unsigned int blk,
struct buffer_head **bh);
extern int gfs2_revoke_add(struct gfs2_jdesc *jd, u64 blkno, unsigned int where);
extern int gfs2_revoke_check(struct gfs2_jdesc *jd, u64 blkno, unsigned int where);
extern void gfs2_revoke_clean(struct gfs2_jdesc *jd);
int gfs2_revoke_add(struct gfs2_jdesc *jd, u64 blkno, unsigned int where);
int gfs2_revoke_check(struct gfs2_jdesc *jd, u64 blkno, unsigned int where);
void gfs2_revoke_clean(struct gfs2_jdesc *jd);
extern int gfs2_recover_journal(struct gfs2_jdesc *gfs2_jd, bool wait);
extern void gfs2_recover_func(struct work_struct *work);
extern int __get_log_header(struct gfs2_sbd *sdp,
const struct gfs2_log_header *lh, unsigned int blkno,
struct gfs2_log_header_host *head);
int gfs2_recover_journal(struct gfs2_jdesc *gfs2_jd, bool wait);
void gfs2_recover_func(struct work_struct *work);
int __get_log_header(struct gfs2_sbd *sdp,
const struct gfs2_log_header *lh, unsigned int blkno,
struct gfs2_log_header_host *head);
#endif /* __RECOVERY_DOT_H__ */

12
fs/gfs2/rgrp.c
View File

@ -2411,13 +2411,12 @@ static void gfs2_set_alloc_start(struct gfs2_rbm *rbm,
* @bn: Used to return the starting block number
* @nblocks: requested number of blocks/extent length (value/result)
* @dinode: 1 if we're allocating a dinode block, else 0
* @generation: the generation number of the inode
*
* Returns: 0 or error
*/
int gfs2_alloc_blocks(struct gfs2_inode *ip, u64 *bn, unsigned int *nblocks,
bool dinode, u64 *generation)
bool dinode)
{
struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
struct buffer_head *dibh;
@ -2477,10 +2476,13 @@ int gfs2_alloc_blocks(struct gfs2_inode *ip, u64 *bn, unsigned int *nblocks,
rbm.rgd->rd_free -= *nblocks;
spin_unlock(&rbm.rgd->rd_rsspin);
if (dinode) {
u64 generation;
rbm.rgd->rd_dinodes++;
*generation = rbm.rgd->rd_igeneration++;
if (*generation == 0)
*generation = rbm.rgd->rd_igeneration++;
generation = rbm.rgd->rd_igeneration++;
if (generation == 0)
generation = rbm.rgd->rd_igeneration++;
ip->i_generation = generation;
}
gfs2_trans_add_meta(rbm.rgd->rd_gl, rbm.rgd->rd_bits[0].bi_bh);

81
fs/gfs2/rgrp.h
View File

@ -22,38 +22,38 @@ struct gfs2_rgrpd;
struct gfs2_sbd;
struct gfs2_holder;
extern void gfs2_rgrp_verify(struct gfs2_rgrpd *rgd);
void gfs2_rgrp_verify(struct gfs2_rgrpd *rgd);
extern struct gfs2_rgrpd *gfs2_blk2rgrpd(struct gfs2_sbd *sdp, u64 blk, bool exact);
extern struct gfs2_rgrpd *gfs2_rgrpd_get_first(struct gfs2_sbd *sdp);
extern struct gfs2_rgrpd *gfs2_rgrpd_get_next(struct gfs2_rgrpd *rgd);
struct gfs2_rgrpd *gfs2_blk2rgrpd(struct gfs2_sbd *sdp, u64 blk, bool exact);
struct gfs2_rgrpd *gfs2_rgrpd_get_first(struct gfs2_sbd *sdp);
struct gfs2_rgrpd *gfs2_rgrpd_get_next(struct gfs2_rgrpd *rgd);
extern void gfs2_clear_rgrpd(struct gfs2_sbd *sdp);
extern int gfs2_rindex_update(struct gfs2_sbd *sdp);
extern void gfs2_free_clones(struct gfs2_rgrpd *rgd);
extern int gfs2_rgrp_go_instantiate(struct gfs2_glock *gl);
extern void gfs2_rgrp_brelse(struct gfs2_rgrpd *rgd);
void gfs2_clear_rgrpd(struct gfs2_sbd *sdp);
int gfs2_rindex_update(struct gfs2_sbd *sdp);
void gfs2_free_clones(struct gfs2_rgrpd *rgd);
int gfs2_rgrp_go_instantiate(struct gfs2_glock *gl);
void gfs2_rgrp_brelse(struct gfs2_rgrpd *rgd);
extern struct gfs2_alloc *gfs2_alloc_get(struct gfs2_inode *ip);
struct gfs2_alloc *gfs2_alloc_get(struct gfs2_inode *ip);
#define GFS2_AF_ORLOV 1
extern int gfs2_inplace_reserve(struct gfs2_inode *ip,
struct gfs2_alloc_parms *ap);
extern void gfs2_inplace_release(struct gfs2_inode *ip);
int gfs2_inplace_reserve(struct gfs2_inode *ip,
struct gfs2_alloc_parms *ap);
void gfs2_inplace_release(struct gfs2_inode *ip);
extern int gfs2_alloc_blocks(struct gfs2_inode *ip, u64 *bn, unsigned int *n,
bool dinode, u64 *generation);
int gfs2_alloc_blocks(struct gfs2_inode *ip, u64 *bn, unsigned int *n,
bool dinode);
extern void gfs2_rs_deltree(struct gfs2_blkreserv *rs);
extern void gfs2_rs_delete(struct gfs2_inode *ip);
extern void __gfs2_free_blocks(struct gfs2_inode *ip, struct gfs2_rgrpd *rgd,
u64 bstart, u32 blen, int meta);
extern void gfs2_free_meta(struct gfs2_inode *ip, struct gfs2_rgrpd *rgd,
u64 bstart, u32 blen);
extern void gfs2_free_di(struct gfs2_rgrpd *rgd, struct gfs2_inode *ip);
extern void gfs2_unlink_di(struct inode *inode);
extern int gfs2_check_blk_type(struct gfs2_sbd *sdp, u64 no_addr,
unsigned int type);
void gfs2_rs_deltree(struct gfs2_blkreserv *rs);
void gfs2_rs_delete(struct gfs2_inode *ip);
void __gfs2_free_blocks(struct gfs2_inode *ip, struct gfs2_rgrpd *rgd,
u64 bstart, u32 blen, int meta);
void gfs2_free_meta(struct gfs2_inode *ip, struct gfs2_rgrpd *rgd,
u64 bstart, u32 blen);
void gfs2_free_di(struct gfs2_rgrpd *rgd, struct gfs2_inode *ip);
void gfs2_unlink_di(struct inode *inode);
int gfs2_check_blk_type(struct gfs2_sbd *sdp, u64 no_addr,
unsigned int type);
struct gfs2_rgrp_list {
unsigned int rl_rgrps;
@ -62,18 +62,19 @@ struct gfs2_rgrp_list {
struct gfs2_holder *rl_ghs;
};
extern void gfs2_rlist_add(struct gfs2_inode *ip, struct gfs2_rgrp_list *rlist,
u64 block);
extern void gfs2_rlist_alloc(struct gfs2_rgrp_list *rlist,
unsigned int state, u16 flags);
extern void gfs2_rlist_free(struct gfs2_rgrp_list *rlist);
extern u64 gfs2_ri_total(struct gfs2_sbd *sdp);
extern void gfs2_rgrp_dump(struct seq_file *seq, struct gfs2_rgrpd *rgd,
const char *fs_id_buf);
extern int gfs2_rgrp_send_discards(struct gfs2_sbd *sdp, u64 offset,
struct buffer_head *bh,
const struct gfs2_bitmap *bi, unsigned minlen, u64 *ptrimmed);
extern int gfs2_fitrim(struct file *filp, void __user *argp);
void gfs2_rlist_add(struct gfs2_inode *ip, struct gfs2_rgrp_list *rlist,
u64 block);
void gfs2_rlist_alloc(struct gfs2_rgrp_list *rlist,
unsigned int state, u16 flags);
void gfs2_rlist_free(struct gfs2_rgrp_list *rlist);
u64 gfs2_ri_total(struct gfs2_sbd *sdp);
void gfs2_rgrp_dump(struct seq_file *seq, struct gfs2_rgrpd *rgd,
const char *fs_id_buf);
int gfs2_rgrp_send_discards(struct gfs2_sbd *sdp, u64 offset,
struct buffer_head *bh,
const struct gfs2_bitmap *bi, unsigned minlen,
u64 *ptrimmed);
int gfs2_fitrim(struct file *filp, void __user *argp);
/* This is how to tell if a reservation is in the rgrp tree: */
static inline bool gfs2_rs_active(const struct gfs2_blkreserv *rs)
@ -88,9 +89,9 @@ static inline int rgrp_contains_block(struct gfs2_rgrpd *rgd, u64 block)
return first <= block && block < last;
}
extern void check_and_update_goal(struct gfs2_inode *ip);
void check_and_update_goal(struct gfs2_inode *ip);
extern void rgrp_lock_local(struct gfs2_rgrpd *rgd);
extern void rgrp_unlock_local(struct gfs2_rgrpd *rgd);
void rgrp_lock_local(struct gfs2_rgrpd *rgd);
void rgrp_unlock_local(struct gfs2_rgrpd *rgd);
#endif /* __RGRP_DOT_H__ */

29
fs/gfs2/super.c
View File

@ -602,13 +602,15 @@ restart:
}
spin_unlock(&sdp->sd_jindex_spin);
if (!sb_rdonly(sb)) {
if (!sb_rdonly(sb))
gfs2_make_fs_ro(sdp);
}
if (gfs2_withdrawn(sdp)) {
gfs2_destroy_threads(sdp);
else {
if (gfs2_withdrawn(sdp))
gfs2_destroy_threads(sdp);
gfs2_quota_cleanup(sdp);
}
WARN_ON(gfs2_withdrawing(sdp));
/* At this point, we're through modifying the disk */
@ -1006,6 +1008,7 @@ static int gfs2_statfs(struct dentry *dentry, struct kstatfs *buf)
buf->f_files = sc.sc_dinodes + sc.sc_free;
buf->f_ffree = sc.sc_free;
buf->f_namelen = GFS2_FNAMESIZE;
buf->f_fsid = uuid_to_fsid(sb->s_uuid.b);
return 0;
}
@ -1299,18 +1302,8 @@ static bool gfs2_upgrade_iopen_glock(struct inode *inode)
* As a last resort, if another node keeps holding the iopen glock
* without showing any activity on the inode glock, we will eventually
* time out and fail the iopen glock upgrade.
*
* Note that we're passing the LM_FLAG_TRY_1CB flag to the first
* locking request as an optimization to notify lock holders as soon as
* possible. Without that flag, they'd be notified implicitly by the
* second locking request.
*/
gfs2_holder_reinit(LM_ST_EXCLUSIVE, LM_FLAG_TRY_1CB | GL_NOCACHE, gh);
error = gfs2_glock_nq(gh);
if (error != GLR_TRYFAILED)
return !error;
gfs2_holder_reinit(LM_ST_EXCLUSIVE, GL_ASYNC | GL_NOCACHE, gh);
error = gfs2_glock_nq(gh);
if (error)
@ -1550,7 +1543,7 @@ out:
wait_on_bit_io(&ip->i_flags, GIF_GLOP_PENDING, TASK_UNINTERRUPTIBLE);
gfs2_glock_add_to_lru(ip->i_gl);
gfs2_glock_put_eventually(ip->i_gl);
ip->i_gl = NULL;
rcu_assign_pointer(ip->i_gl, NULL);
}
}
@ -1576,7 +1569,7 @@ static void gfs2_free_inode(struct inode *inode)
kmem_cache_free(gfs2_inode_cachep, GFS2_I(inode));
}
extern void free_local_statfs_inodes(struct gfs2_sbd *sdp)
void free_local_statfs_inodes(struct gfs2_sbd *sdp)
{
struct local_statfs_inode *lsi, *safe;
@ -1591,8 +1584,8 @@ extern void free_local_statfs_inodes(struct gfs2_sbd *sdp)
}
}
extern struct inode *find_local_statfs_inode(struct gfs2_sbd *sdp,
unsigned int index)
struct inode *find_local_statfs_inode(struct gfs2_sbd *sdp,
unsigned int index)
{
struct local_statfs_inode *lsi;

50
fs/gfs2/super.h
View File

@ -15,7 +15,7 @@
#define GFS2_FS_FORMAT_MIN (1801)
#define GFS2_FS_FORMAT_MAX (1802)
extern void gfs2_lm_unmount(struct gfs2_sbd *sdp);
void gfs2_lm_unmount(struct gfs2_sbd *sdp);
static inline unsigned int gfs2_jindex_size(struct gfs2_sbd *sdp)
{
@ -26,33 +26,33 @@ static inline unsigned int gfs2_jindex_size(struct gfs2_sbd *sdp)
return x;
}
extern void gfs2_jindex_free(struct gfs2_sbd *sdp);
void gfs2_jindex_free(struct gfs2_sbd *sdp);
extern struct gfs2_jdesc *gfs2_jdesc_find(struct gfs2_sbd *sdp, unsigned int jid);
extern int gfs2_jdesc_check(struct gfs2_jdesc *jd);
extern int gfs2_lookup_in_master_dir(struct gfs2_sbd *sdp, char *filename,
struct gfs2_inode **ipp);
struct gfs2_jdesc *gfs2_jdesc_find(struct gfs2_sbd *sdp, unsigned int jid);
int gfs2_jdesc_check(struct gfs2_jdesc *jd);
int gfs2_lookup_in_master_dir(struct gfs2_sbd *sdp, char *filename,
struct gfs2_inode **ipp);
extern int gfs2_make_fs_rw(struct gfs2_sbd *sdp);
extern void gfs2_make_fs_ro(struct gfs2_sbd *sdp);
extern void gfs2_online_uevent(struct gfs2_sbd *sdp);
extern void gfs2_destroy_threads(struct gfs2_sbd *sdp);
extern int gfs2_statfs_init(struct gfs2_sbd *sdp);
extern void gfs2_statfs_change(struct gfs2_sbd *sdp, s64 total, s64 free,
s64 dinodes);
extern void gfs2_statfs_change_in(struct gfs2_statfs_change_host *sc,
const void *buf);
extern void gfs2_statfs_change_out(const struct gfs2_statfs_change_host *sc,
void *buf);
extern void update_statfs(struct gfs2_sbd *sdp, struct buffer_head *m_bh);
extern int gfs2_statfs_sync(struct super_block *sb, int type);
extern void gfs2_freeze_func(struct work_struct *work);
extern void gfs2_thaw_freeze_initiator(struct super_block *sb);
int gfs2_make_fs_rw(struct gfs2_sbd *sdp);
void gfs2_make_fs_ro(struct gfs2_sbd *sdp);
void gfs2_online_uevent(struct gfs2_sbd *sdp);
void gfs2_destroy_threads(struct gfs2_sbd *sdp);
int gfs2_statfs_init(struct gfs2_sbd *sdp);
void gfs2_statfs_change(struct gfs2_sbd *sdp, s64 total, s64 free,
s64 dinodes);
void gfs2_statfs_change_in(struct gfs2_statfs_change_host *sc,
const void *buf);
void gfs2_statfs_change_out(const struct gfs2_statfs_change_host *sc,
void *buf);
void update_statfs(struct gfs2_sbd *sdp, struct buffer_head *m_bh);
int gfs2_statfs_sync(struct super_block *sb, int type);
void gfs2_freeze_func(struct work_struct *work);
void gfs2_thaw_freeze_initiator(struct super_block *sb);
extern void free_local_statfs_inodes(struct gfs2_sbd *sdp);
extern struct inode *find_local_statfs_inode(struct gfs2_sbd *sdp,
unsigned int index);
extern void free_sbd(struct gfs2_sbd *sdp);
void free_local_statfs_inodes(struct gfs2_sbd *sdp);
struct inode *find_local_statfs_inode(struct gfs2_sbd *sdp,
unsigned int index);
void free_sbd(struct gfs2_sbd *sdp);
extern struct file_system_type gfs2_fs_type;
extern struct file_system_type gfs2meta_fs_type;

22
fs/gfs2/trans.h
View File

@ -34,17 +34,17 @@ static inline unsigned int gfs2_rg_blocks(const struct gfs2_inode *ip, unsigned
return rgd->rd_length;
}
extern int __gfs2_trans_begin(struct gfs2_trans *tr, struct gfs2_sbd *sdp,
unsigned int blocks, unsigned int revokes,
unsigned long ip);
extern int gfs2_trans_begin(struct gfs2_sbd *sdp, unsigned int blocks,
unsigned int revokes);
int __gfs2_trans_begin(struct gfs2_trans *tr, struct gfs2_sbd *sdp,
unsigned int blocks, unsigned int revokes,
unsigned long ip);
int gfs2_trans_begin(struct gfs2_sbd *sdp, unsigned int blocks,
unsigned int revokes);
extern void gfs2_trans_end(struct gfs2_sbd *sdp);
extern void gfs2_trans_add_data(struct gfs2_glock *gl, struct buffer_head *bh);
extern void gfs2_trans_add_meta(struct gfs2_glock *gl, struct buffer_head *bh);
extern void gfs2_trans_add_revoke(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd);
extern void gfs2_trans_remove_revoke(struct gfs2_sbd *sdp, u64 blkno, unsigned int len);
extern void gfs2_trans_free(struct gfs2_sbd *sdp, struct gfs2_trans *tr);
void gfs2_trans_end(struct gfs2_sbd *sdp);
void gfs2_trans_add_data(struct gfs2_glock *gl, struct buffer_head *bh);
void gfs2_trans_add_meta(struct gfs2_glock *gl, struct buffer_head *bh);
void gfs2_trans_add_revoke(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd);
void gfs2_trans_remove_revoke(struct gfs2_sbd *sdp, u64 blkno, unsigned int len);
void gfs2_trans_free(struct gfs2_sbd *sdp, struct gfs2_trans *tr);
#endif /* __TRANS_DOT_H__ */

8
fs/gfs2/util.h
View File

@ -147,10 +147,10 @@ static inline void gfs2_metatype_set(struct buffer_head *bh, u16 type,
int gfs2_io_error_i(struct gfs2_sbd *sdp, const char *function,
char *file, unsigned int line);
extern int check_journal_clean(struct gfs2_sbd *sdp, struct gfs2_jdesc *jd,
bool verbose);
extern int gfs2_freeze_lock_shared(struct gfs2_sbd *sdp);
extern void gfs2_freeze_unlock(struct gfs2_holder *freeze_gh);
int check_journal_clean(struct gfs2_sbd *sdp, struct gfs2_jdesc *jd,
bool verbose);
int gfs2_freeze_lock_shared(struct gfs2_sbd *sdp);
void gfs2_freeze_unlock(struct gfs2_holder *freeze_gh);
#define gfs2_io_error(sdp) \
gfs2_io_error_i((sdp), __func__, __FILE__, __LINE__)

6
fs/gfs2/xattr.c
View File

@ -639,7 +639,7 @@ static int ea_alloc_blk(struct gfs2_inode *ip, struct buffer_head **bhp)
u64 block;
int error;
error = gfs2_alloc_blocks(ip, &block, &n, 0, NULL);
error = gfs2_alloc_blocks(ip, &block, &n, 0);
if (error)
return error;
gfs2_trans_remove_revoke(sdp, block, 1);
@ -701,7 +701,7 @@ static int ea_write(struct gfs2_inode *ip, struct gfs2_ea_header *ea,
int mh_size = sizeof(struct gfs2_meta_header);
unsigned int n = 1;
error = gfs2_alloc_blocks(ip, &block, &n, 0, NULL);
error = gfs2_alloc_blocks(ip, &block, &n, 0);
if (error)
return error;
gfs2_trans_remove_revoke(sdp, block, 1);
@ -1002,7 +1002,7 @@ static int ea_set_block(struct gfs2_inode *ip, struct gfs2_ea_request *er,
} else {
u64 blk;
unsigned int n = 1;
error = gfs2_alloc_blocks(ip, &blk, &n, 0, NULL);
error = gfs2_alloc_blocks(ip, &blk, &n, 0);
if (error)
return error;
gfs2_trans_remove_revoke(sdp, blk, 1);

12
fs/gfs2/xattr.h
View File

@ -50,14 +50,14 @@ struct gfs2_ea_location {
struct gfs2_ea_header *el_prev;
};
extern int __gfs2_xattr_set(struct inode *inode, const char *name,
const void *value, size_t size,
int flags, int type);
extern ssize_t gfs2_listxattr(struct dentry *dentry, char *buffer, size_t size);
extern int gfs2_ea_dealloc(struct gfs2_inode *ip);
int __gfs2_xattr_set(struct inode *inode, const char *name,
const void *value, size_t size,
int flags, int type);
ssize_t gfs2_listxattr(struct dentry *dentry, char *buffer, size_t size);
int gfs2_ea_dealloc(struct gfs2_inode *ip);
/* Exported to acl.c */
extern int gfs2_xattr_acl_get(struct gfs2_inode *ip, const char *name, char **data);
int gfs2_xattr_acl_get(struct gfs2_inode *ip, const char *name, char **data);
#endif /* __EATTR_DOT_H__ */