diff options
Diffstat (limited to 'fs/xfs/xfs_dir2.h')
| -rw-r--r-- | fs/xfs/xfs_dir2.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/fs/xfs/xfs_dir2.h b/fs/xfs/xfs_dir2.h index e937d99..7ef6b0f 100644 --- a/fs/xfs/xfs_dir2.h +++ b/fs/xfs/xfs_dir2.h @@ -23,6 +23,11 @@ struct xfs_da_args; struct xfs_inode; struct xfs_mount; struct xfs_trans; +struct xfs_dir2_sf_hdr; +struct xfs_dir2_sf_entry; +struct xfs_dir2_data_hdr; +struct xfs_dir2_data_entry; +struct xfs_dir2_data_unused; extern struct xfs_name xfs_name_dotdot; @@ -57,4 +62,50 @@ extern int xfs_dir_canenter(struct xfs_trans *tp, struct xfs_inode *dp, */ extern int xfs_dir2_sf_to_block(struct xfs_da_args *args); +/* + * Direct call on directory open, before entering the readdir code. + */ +extern int xfs_dir3_data_readahead(struct xfs_trans *tp, struct xfs_inode *dp, + xfs_dablk_t bno, xfs_daddr_t mapped_bno); + +/* + * Interface routines used by userspace utilities + */ +extern xfs_ino_t xfs_dir2_sf_get_parent_ino(struct xfs_dir2_sf_hdr *sfp); +extern void xfs_dir2_sf_put_parent_ino(struct xfs_dir2_sf_hdr *sfp, + xfs_ino_t ino); +extern xfs_ino_t xfs_dir2_sfe_get_ino(struct xfs_dir2_sf_hdr *sfp, + struct xfs_dir2_sf_entry *sfep); +extern void xfs_dir2_sfe_put_ino( struct xfs_dir2_sf_hdr *, + struct xfs_dir2_sf_entry *sfep, xfs_ino_t ino); + +extern int xfs_dir2_isblock(struct xfs_trans *tp, struct xfs_inode *dp, int *r); +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, + 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_header(struct xfs_trans *tp, + struct xfs_buf *bp); +extern void xfs_dir2_data_log_unused(struct xfs_trans *tp, struct xfs_buf *bp, + struct xfs_dir2_data_unused *dup); +extern void xfs_dir2_data_make_free(struct xfs_trans *tp, struct xfs_buf *bp, + xfs_dir2_data_aoff_t offset, xfs_dir2_data_aoff_t len, + int *needlogp, int *needscanp); +extern void xfs_dir2_data_use_free(struct xfs_trans *tp, struct xfs_buf *bp, + struct xfs_dir2_data_unused *dup, xfs_dir2_data_aoff_t offset, + xfs_dir2_data_aoff_t len, int *needlogp, int *needscanp); + +extern struct xfs_dir2_data_free *xfs_dir2_data_freefind( + struct xfs_dir2_data_hdr *hdr, struct xfs_dir2_data_unused *dup); + +extern const struct xfs_buf_ops xfs_dir3_block_buf_ops; +extern const struct xfs_buf_ops xfs_dir3_leafn_buf_ops; +extern const struct xfs_buf_ops xfs_dir3_leaf1_buf_ops; +extern const struct xfs_buf_ops xfs_dir3_free_buf_ops; +extern const struct xfs_buf_ops xfs_dir3_data_buf_ops; + #endif /* __XFS_DIR2_H__ */ |
