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switch ->put_link() from dentry to inode

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only one instance looks at that argument at all; that sole
exception wants inode rather than dentry.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2015-05-07 11:14:26 -04:00
parent bda0be7ad9
commit 5f2c4179e1
15 changed files with 27 additions and 26 deletions
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2
Documentation/filesystems/Locking
View File

@ -51,7 +51,7 @@ prototypes:
struct inode *, struct dentry *, unsigned int);
int (*readlink) (struct dentry *, char __user *,int);
const char *(*follow_link) (struct dentry *, void **);
void (*put_link) (struct dentry *, void *);
void (*put_link) (struct inode *, void *);
void (*truncate) (struct inode *);
int (*permission) (struct inode *, int, unsigned int);
int (*get_acl)(struct inode *, int);

2
Documentation/filesystems/vfs.txt
View File

@ -351,7 +351,7 @@ struct inode_operations {
struct inode *, struct dentry *, unsigned int);
int (*readlink) (struct dentry *, char __user *,int);
const char *(*follow_link) (struct dentry *, void **);
void (*put_link) (struct dentry *, void *);
void (*put_link) (struct inode *, void *);
int (*permission) (struct inode *, int);
int (*get_acl)(struct inode *, int);
int (*setattr) (struct dentry *, struct iattr *);

2
drivers/staging/lustre/lustre/llite/symlink.c
View File

@ -141,7 +141,7 @@ static const char *ll_follow_link(struct dentry *dentry, void **cookie)
return symname;
}
static void ll_put_link(struct dentry *dentry, void *cookie)
static void ll_put_link(struct inode *unused, void *cookie)
{
ptlrpc_req_finished(cookie);
}

2
fs/configfs/symlink.c
View File

@ -296,7 +296,7 @@ static const char *configfs_follow_link(struct dentry *dentry, void **cookie)
return ERR_PTR(error);
}
static void configfs_put_link(struct dentry *dentry, void *cookie)
static void configfs_put_link(struct inode *unused, void *cookie)
{
free_page((unsigned long)cookie);
}

2
fs/f2fs/namei.c
View File

@ -301,7 +301,7 @@ static const char *f2fs_follow_link(struct dentry *dentry, void **cookie)
const char *link = page_follow_link_light(dentry, cookie);
if (!IS_ERR(link) && !*link) {
/* this is broken symlink case */
page_put_link(dentry, *cookie);
page_put_link(NULL, *cookie);
link = ERR_PTR(-ENOENT);
}
return link;

2
fs/fuse/dir.c
View File

@ -1395,7 +1395,7 @@ static const char *fuse_follow_link(struct dentry *dentry, void **cookie)
return link;
}
static void fuse_put_link(struct dentry *dentry, void *cookie)
static void fuse_put_link(struct inode *unused, void *cookie)
{
free_page((unsigned long) cookie);
}

2
fs/hostfs/hostfs_kern.c
View File

@ -915,7 +915,7 @@ static const char *hostfs_follow_link(struct dentry *dentry, void **cookie)
return *cookie = link;
}
static void hostfs_put_link(struct dentry *dentry, void *cookie)
static void hostfs_put_link(struct inode *unused, void *cookie)
{
__putname(cookie);
}

8
fs/hppfs/hppfs.c
View File

@ -649,12 +649,12 @@ static const char *hppfs_follow_link(struct dentry *dentry, void **cookie)
return d_inode(proc_dentry)->i_op->follow_link(proc_dentry, cookie);
}
static void hppfs_put_link(struct dentry *dentry, void *cookie)
static void hppfs_put_link(struct inode *inode, void *cookie)
{
struct dentry *proc_dentry = HPPFS_I(d_inode(dentry))->proc_dentry;
struct inode *proc_inode = d_inode(HPPFS_I(inode)->proc_dentry);
if (d_inode(proc_dentry)->i_op->put_link)
d_inode(proc_dentry)->i_op->put_link(proc_dentry, cookie);
if (proc_inode->i_op->put_link)
proc_inode->i_op->put_link(proc_inode, cookie);
}
static const struct inode_operations hppfs_dir_iops = {

2
fs/kernfs/symlink.c
View File

@ -126,7 +126,7 @@ static const char *kernfs_iop_follow_link(struct dentry *dentry, void **cookie)
return *cookie = (char *)page;
}
static void kernfs_iop_put_link(struct dentry *dentry, void *cookie)
static void kernfs_iop_put_link(struct inode *unused, void *cookie)
{
free_page((unsigned long)cookie);
}

2
fs/libfs.c
View File

@ -1024,7 +1024,7 @@ int noop_fsync(struct file *file, loff_t start, loff_t end, int datasync)
}
EXPORT_SYMBOL(noop_fsync);
void kfree_put_link(struct dentry *dentry, void *cookie)
void kfree_put_link(struct inode *unused, void *cookie)
{
kfree(cookie);
}

13
fs/namei.c
View File

@ -749,7 +749,7 @@ static inline void put_link(struct nameidata *nd)
struct saved *last = nd->stack + --nd->depth;
struct inode *inode = last->inode;
if (last->cookie && inode->i_op->put_link)
inode->i_op->put_link(last->link.dentry, last->cookie);
inode->i_op->put_link(inode, last->cookie);
path_put(&last->link);
}
@ -4444,17 +4444,18 @@ EXPORT_SYMBOL(readlink_copy);
int generic_readlink(struct dentry *dentry, char __user *buffer, int buflen)
{
void *cookie;
const char *link = dentry->d_inode->i_link;
struct inode *inode = d_inode(dentry);
const char *link = inode->i_link;
int res;
if (!link) {
link = dentry->d_inode->i_op->follow_link(dentry, &cookie);
link = inode->i_op->follow_link(dentry, &cookie);
if (IS_ERR(link))
return PTR_ERR(link);
}
res = readlink_copy(buffer, buflen, link);
if (dentry->d_inode->i_op->put_link)
dentry->d_inode->i_op->put_link(dentry, cookie);
if (inode->i_op->put_link)
inode->i_op->put_link(inode, cookie);
return res;
}
EXPORT_SYMBOL(generic_readlink);
@ -4496,7 +4497,7 @@ const char *page_follow_link_light(struct dentry *dentry, void **cookie)
}
EXPORT_SYMBOL(page_follow_link_light);
void page_put_link(struct dentry *dentry, void *cookie)
void page_put_link(struct inode *unused, void *cookie)
{
struct page *page = cookie;
kunmap(page);

4
fs/overlayfs/inode.c
View File

@ -174,7 +174,7 @@ static const char *ovl_follow_link(struct dentry *dentry, void **cookie)
return ret;
}
static void ovl_put_link(struct dentry *dentry, void *c)
static void ovl_put_link(struct inode *unused, void *c)
{
struct inode *realinode;
struct ovl_link_data *data = c;
@ -183,7 +183,7 @@ static void ovl_put_link(struct dentry *dentry, void *c)
return;
realinode = data->realdentry->d_inode;
realinode->i_op->put_link(data->realdentry, data->cookie);
realinode->i_op->put_link(realinode, data->cookie);
kfree(data);
}

2
fs/proc/inode.c
View File

@ -402,7 +402,7 @@ static const char *proc_follow_link(struct dentry *dentry, void **cookie)
return pde->data;
}
static void proc_put_link(struct dentry *dentry, void *p)
static void proc_put_link(struct inode *unused, void *p)
{
unuse_pde(p);
}

6
include/linux/fs.h
View File

@ -1613,7 +1613,7 @@ struct inode_operations {
struct posix_acl * (*get_acl)(struct inode *, int);
int (*readlink) (struct dentry *, char __user *,int);
void (*put_link) (struct dentry *, void *);
void (*put_link) (struct inode *, void *);
int (*create) (struct inode *,struct dentry *, umode_t, bool);
int (*link) (struct dentry *,struct inode *,struct dentry *);
@ -2706,12 +2706,12 @@ extern const struct file_operations generic_ro_fops;
extern int readlink_copy(char __user *, int, const char *);
extern int page_readlink(struct dentry *, char __user *, int);
extern const char *page_follow_link_light(struct dentry *, void **);
extern void page_put_link(struct dentry *, void *);
extern void page_put_link(struct inode *, void *);
extern int __page_symlink(struct inode *inode, const char *symname, int len,
int nofs);
extern int page_symlink(struct inode *inode, const char *symname, int len);
extern const struct inode_operations page_symlink_inode_operations;
extern void kfree_put_link(struct dentry *, void *);
extern void kfree_put_link(struct inode *, void *);
extern int generic_readlink(struct dentry *, char __user *, int);
extern void generic_fillattr(struct inode *, struct kstat *);
int vfs_getattr_nosec(struct path *path, struct kstat *stat);

2
mm/shmem.c
View File

@ -2486,7 +2486,7 @@ static const char *shmem_follow_link(struct dentry *dentry, void **cookie)
return kmap(page);
}
static void shmem_put_link(struct dentry *dentry, void *cookie)
static void shmem_put_link(struct inode *unused, void *cookie)
{
struct page *page = cookie;
kunmap(page);