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xfs: cleanup xfs_dir2_data_entsize

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Remove the XFS_DIR2_DATA_ENTSIZE and XFS_DIR3_DATA_ENTSIZE and open
code them in their only caller, which now becomes so simple that
we can turn it into an inline function.

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 15:05:38 -08:00 • committed by Darrick J. Wong
parent d73e1cee8a
commit 711c7dbf5f
2 changed files with 14 additions and 34 deletions
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15
fs/xfs/libxfs/xfs_dir2_priv.h
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@ -57,7 +57,6 @@ extern int xfs_dir2_leaf_to_block(struct xfs_da_args *args,
struct xfs_buf *lbp, struct xfs_buf *dbp);
/* xfs_dir2_data.c */
int xfs_dir2_data_entsize(struct xfs_mount *mp, int n);
__be16 *xfs_dir2_data_entry_tag_p(struct xfs_mount *mp,
struct xfs_dir2_data_entry *dep);
@ -172,4 +171,18 @@ extern xfs_failaddr_t xfs_dir2_sf_verify(struct xfs_inode *ip);
extern int xfs_readdir(struct xfs_trans *tp, struct xfs_inode *dp,
struct dir_context *ctx, size_t bufsize);
static inline unsigned int
xfs_dir2_data_entsize(
struct xfs_mount *mp,
unsigned int namelen)
{
unsigned int len;
len = offsetof(struct xfs_dir2_data_entry, name[0]) + namelen +
sizeof(xfs_dir2_data_off_t) /* tag */;
if (xfs_sb_version_hasftype(&mp->m_sb))
len += sizeof(uint8_t);
return round_up(len, XFS_DIR2_DATA_ALIGN);
}
#endif /* __XFS_DIR2_PRIV_H__ */