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| author | Dave Chinner <dchinner@redhat.com> | 2013-10-29 22:11:48 +1100 |
|---|---|---|
| committer | Ben Myers <bpm@sgi.com> | 2013-10-30 13:39:14 -0500 |
| commit | 9d23fc8575de7012b8853bd6fefe10534665de2f (patch) | |
| tree | 6dab547e4e967349aaa48bca5d64e0055a32508d /fs/xfs/xfs_dir2.h | |
| parent | 4740175e75f70ab71f76ae98ab00f7db731a48f7 (diff) | |
| download | linux-9d23fc8575de7012b8853bd6fefe10534665de2f.tar.gz linux-9d23fc8575de7012b8853bd6fefe10534665de2f.tar.bz2 linux-9d23fc8575de7012b8853bd6fefe10534665de2f.zip | |
xfs: vectorise directory data operations
Following from the initial patches to vectorise the shortform
directory encode/decode operations, convert half the data block
operations to use the vector. The rest will be done in a second
patch.
This further reduces the size of the built binary:
text data bss dec hex filename
794490 96802 1096 892388 d9de4 fs/xfs/xfs.o.orig
792986 96802 1096 890884 d9804 fs/xfs/xfs.o.p1
792350 96802 1096 890248 d9588 fs/xfs/xfs.o.p2
789293 96802 1096 887191 d8997 fs/xfs/xfs.o.p3
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ben Myers <bpm@sgi.com>
Diffstat (limited to 'fs/xfs/xfs_dir2.h')
| -rw-r--r-- | fs/xfs/xfs_dir2.h | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/fs/xfs/xfs_dir2.h b/fs/xfs/xfs_dir2.h index 0e94b3e662af..c0a45923cce0 100644 --- a/fs/xfs/xfs_dir2.h +++ b/fs/xfs/xfs_dir2.h @@ -50,6 +50,22 @@ struct xfs_dir_ops { 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); + void (*data_put_ftype)(struct xfs_dir2_data_entry *dep, + __uint8_t ftype); + __be16 * (*data_entry_tag_p)(struct xfs_dir2_data_entry *dep); + + xfs_dir2_data_aoff_t (*data_dot_offset)(void); + xfs_dir2_data_aoff_t (*data_dotdot_offset)(void); + xfs_dir2_data_aoff_t (*data_first_offset)(void); + struct xfs_dir2_data_entry * + (*data_dot_entry_p)(struct xfs_dir2_data_hdr *hdr); + struct xfs_dir2_data_entry * + (*data_dotdot_entry_p)(struct xfs_dir2_data_hdr *hdr); + struct xfs_dir2_data_entry * + (*data_first_entry_p)(struct xfs_dir2_data_hdr *hdr); }; extern const struct xfs_dir_ops xfs_dir2_ops; @@ -95,10 +111,10 @@ extern int xfs_dir2_isleaf(struct xfs_trans *tp, struct xfs_inode *dp, int *r); extern int xfs_dir2_shrink_inode(struct xfs_da_args *args, xfs_dir2_db_t db, struct xfs_buf *bp); -extern void xfs_dir2_data_freescan(struct xfs_mount *mp, +extern void xfs_dir2_data_freescan(struct xfs_inode *dp, struct xfs_dir2_data_hdr *hdr, int *loghead); -extern void xfs_dir2_data_log_entry(struct xfs_trans *tp, struct xfs_buf *bp, - struct xfs_dir2_data_entry *dep); +extern void xfs_dir2_data_log_entry(struct xfs_trans *tp, struct xfs_inode *dp, + struct xfs_buf *bp, struct xfs_dir2_data_entry *dep); extern void xfs_dir2_data_log_header(struct xfs_trans *tp, struct xfs_buf *bp); extern void xfs_dir2_data_log_unused(struct xfs_trans *tp, struct xfs_buf *bp, |