leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

xfs: devirtualize ->sf_get_parent_ino and ->sf_put_parent_ino

Browse Source 
The parent inode handling is the same for all directory format variants,
just use direct calls instead of going through a pointless indirect
call.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
This commit is contained in:
Christoph Hellwig
2019-11-08 15:02:31 -08:00
committed by Darrick J. Wong
parent 3d92c93b70
commit 84915e1bdd
6 changed files with 16 additions and 23 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
fs/xfs/libxfs/xfs_da_format.c
View File

@@ -132,14 +132,14 @@ xfs_dir2_sf_put_ino(
put_unaligned_be32(ino, to);
}
static xfs_ino_t
xfs_ino_t
xfs_dir2_sf_get_parent_ino(
struct xfs_dir2_sf_hdr *hdr)
{
return xfs_dir2_sf_get_ino(hdr, hdr->parent);
}
static void
void
xfs_dir2_sf_put_parent_ino(
struct xfs_dir2_sf_hdr *hdr,
xfs_ino_t ino)
@@ -407,8 +407,6 @@ static const struct xfs_dir_ops xfs_dir2_ops = {
.sf_put_ftype = xfs_dir2_sfe_put_ftype,
.sf_get_ino = xfs_dir2_sfe_get_ino,
.sf_put_ino = xfs_dir2_sfe_put_ino,
.sf_get_parent_ino = xfs_dir2_sf_get_parent_ino,
.sf_put_parent_ino = xfs_dir2_sf_put_parent_ino,
.data_entsize = xfs_dir2_data_entsize,
.data_get_ftype = xfs_dir2_data_get_ftype,
@@ -438,8 +436,6 @@ static const struct xfs_dir_ops xfs_dir2_ftype_ops = {
.sf_put_ftype = xfs_dir3_sfe_put_ftype,
.sf_get_ino = xfs_dir3_sfe_get_ino,
.sf_put_ino = xfs_dir3_sfe_put_ino,
.sf_get_parent_ino = xfs_dir2_sf_get_parent_ino,
.sf_put_parent_ino = xfs_dir2_sf_put_parent_ino,
.data_entsize = xfs_dir3_data_entsize,
.data_get_ftype = xfs_dir3_data_get_ftype,
@@ -469,8 +465,6 @@ static const struct xfs_dir_ops xfs_dir3_ops = {
.sf_put_ftype = xfs_dir3_sfe_put_ftype,
.sf_get_ino = xfs_dir3_sfe_get_ino,
.sf_put_ino = xfs_dir3_sfe_put_ino,
.sf_get_parent_ino = xfs_dir2_sf_get_parent_ino,
.sf_put_parent_ino = xfs_dir2_sf_put_parent_ino,
.data_entsize = xfs_dir3_data_entsize,
.data_get_ftype = xfs_dir3_data_get_ftype,

3
fs/xfs/libxfs/xfs_dir2.h
View File

@@ -44,9 +44,6 @@ struct xfs_dir_ops {
void (*sf_put_ino)(struct xfs_dir2_sf_hdr *hdr,
struct xfs_dir2_sf_entry *sfep,
xfs_ino_t ino);
xfs_ino_t (*sf_get_parent_ino)(struct xfs_dir2_sf_hdr *hdr);
void (*sf_put_parent_ino)(struct xfs_dir2_sf_hdr *hdr,
xfs_ino_t ino);
int (*data_entsize)(int len);
uint8_t (*data_get_ftype)(struct xfs_dir2_data_entry *dep);

2
fs/xfs/libxfs/xfs_dir2_block.c
View File

@@ -1157,7 +1157,7 @@ xfs_dir2_sf_to_block(
* Create entry for ..
*/
dep = dp->d_ops->data_dotdot_entry_p(hdr);
dep->inumber = cpu_to_be64(dp->d_ops->sf_get_parent_ino(sfp));
dep->inumber = cpu_to_be64(xfs_dir2_sf_get_parent_ino(sfp));
dep->namelen = 2;
dep->name[0] = dep->name[1] = '.';
dp->d_ops->data_put_ftype(dep, XFS_DIR3_FT_DIR);

2
fs/xfs/libxfs/xfs_dir2_priv.h
View File

@@ -145,6 +145,8 @@ extern int xfs_dir2_free_read(struct xfs_trans *tp, struct xfs_inode *dp,
xfs_dablk_t fbno, struct xfs_buf **bpp);
/* xfs_dir2_sf.c */
xfs_ino_t xfs_dir2_sf_get_parent_ino(struct xfs_dir2_sf_hdr *hdr);
void xfs_dir2_sf_put_parent_ino(struct xfs_dir2_sf_hdr *hdr, xfs_ino_t ino);
extern int xfs_dir2_block_sfsize(struct xfs_inode *dp,
struct xfs_dir2_data_hdr *block, struct xfs_dir2_sf_hdr *sfhp);
extern int xfs_dir2_block_to_sf(struct xfs_da_args *args, struct xfs_buf *bp,

20
fs/xfs/libxfs/xfs_dir2_sf.c
View File

@@ -125,7 +125,7 @@ xfs_dir2_block_sfsize(
*/
sfhp->count = count;
sfhp->i8count = i8count;
dp->d_ops->sf_put_parent_ino(sfhp, parent);
xfs_dir2_sf_put_parent_ino(sfhp, parent);
return size;
}
@@ -204,7 +204,7 @@ xfs_dir2_block_to_sf(
else if (dep->namelen == 2 &&
dep->name[0] == '.' && dep->name[1] == '.')
ASSERT(be64_to_cpu(dep->inumber) ==
dp->d_ops->sf_get_parent_ino(sfp));
xfs_dir2_sf_get_parent_ino(sfp));
/*
* Normal entry, copy it into shortform.
*/
@@ -584,7 +584,7 @@ xfs_dir2_sf_check(
sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data;
offset = dp->d_ops->data_first_offset;
ino = dp->d_ops->sf_get_parent_ino(sfp);
ino = xfs_dir2_sf_get_parent_ino(sfp);
i8count = ino > XFS_DIR2_MAX_SHORT_INUM;
for (i = 0, sfep = xfs_dir2_sf_firstentry(sfp);
@@ -647,7 +647,7 @@ xfs_dir2_sf_verify(
endp = (char *)sfp + size;
/* Check .. entry */
ino = dops->sf_get_parent_ino(sfp);
ino = xfs_dir2_sf_get_parent_ino(sfp);
i8count = ino > XFS_DIR2_MAX_SHORT_INUM;
error = xfs_dir_ino_validate(mp, ino);
if (error)
@@ -757,7 +757,7 @@ xfs_dir2_sf_create(
/*
* Now can put in the inode number, since i8count is set.
*/
dp->d_ops->sf_put_parent_ino(sfp, pino);
xfs_dir2_sf_put_parent_ino(sfp, pino);
sfp->count = 0;
dp->i_d.di_size = size;
xfs_dir2_sf_check(args);
@@ -806,7 +806,7 @@ xfs_dir2_sf_lookup(
*/
if (args->namelen == 2 &&
args->name[0] == '.' && args->name[1] == '.') {
args->inumber = dp->d_ops->sf_get_parent_ino(sfp);
args->inumber = xfs_dir2_sf_get_parent_ino(sfp);
args->cmpresult = XFS_CMP_EXACT;
args->filetype = XFS_DIR3_FT_DIR;
return -EEXIST;
@@ -984,9 +984,9 @@ xfs_dir2_sf_replace(
*/
if (args->namelen == 2 &&
args->name[0] == '.' && args->name[1] == '.') {
ino = dp->d_ops->sf_get_parent_ino(sfp);
ino = xfs_dir2_sf_get_parent_ino(sfp);
ASSERT(args->inumber != ino);
dp->d_ops->sf_put_parent_ino(sfp, args->inumber);
xfs_dir2_sf_put_parent_ino(sfp, args->inumber);
}
/*
* Normal entry, look for the name.
@@ -1092,7 +1092,7 @@ xfs_dir2_sf_toino4(
*/
sfp->count = oldsfp->count;
sfp->i8count = 0;
dp->d_ops->sf_put_parent_ino(sfp, dp->d_ops->sf_get_parent_ino(oldsfp));
xfs_dir2_sf_put_parent_ino(sfp, xfs_dir2_sf_get_parent_ino(oldsfp));
/*
* Copy the entries field by field.
*/
@@ -1165,7 +1165,7 @@ xfs_dir2_sf_toino8(
*/
sfp->count = oldsfp->count;
sfp->i8count = 1;
dp->d_ops->sf_put_parent_ino(sfp, dp->d_ops->sf_get_parent_ino(oldsfp));
xfs_dir2_sf_put_parent_ino(sfp, xfs_dir2_sf_get_parent_ino(oldsfp));
/*
* Copy the entries field by field.
*/