summaryrefslogtreecommitdiff
path: root/fs/xfs/libxfs/xfs_ialloc.h
diff options
context:
space:
mode:
Diffstat (limited to 'fs/xfs/libxfs/xfs_ialloc.h')
-rw-r--r--fs/xfs/libxfs/xfs_ialloc.h45
1 files changed, 17 insertions, 28 deletions
diff --git a/fs/xfs/libxfs/xfs_ialloc.h b/fs/xfs/libxfs/xfs_ialloc.h
index 8b5c2b709022..3a1323155a45 100644
--- a/fs/xfs/libxfs/xfs_ialloc.h
+++ b/fs/xfs/libxfs/xfs_ialloc.h
@@ -12,6 +12,7 @@ struct xfs_imap;
struct xfs_mount;
struct xfs_trans;
struct xfs_btree_cur;
+struct xfs_perag;
/* Move inodes in clusters of this size */
#define XFS_INODE_BIG_CLUSTER_SIZE 8192
@@ -32,11 +33,13 @@ xfs_make_iptr(struct xfs_mount *mp, struct xfs_buf *b, int o)
return xfs_buf_offset(b, o << (mp)->m_sb.sb_inodelog);
}
+struct xfs_icreate_args;
+
/*
* Allocate an inode on disk. Mode is used to tell whether the new inode will
* need space, and whether it is a directory.
*/
-int xfs_dialloc(struct xfs_trans **tpp, xfs_ino_t parent, umode_t mode,
+int xfs_dialloc(struct xfs_trans **tpp, const struct xfs_icreate_args *args,
xfs_ino_t *new_ino);
int xfs_difree(struct xfs_trans *tp, struct xfs_perag *pag,
@@ -47,7 +50,7 @@ int xfs_difree(struct xfs_trans *tp, struct xfs_perag *pag,
*/
int
xfs_imap(
- struct xfs_mount *mp, /* file system mount structure */
+ struct xfs_perag *pag,
struct xfs_trans *tp, /* transaction pointer */
xfs_ino_t ino, /* inode to locate */
struct xfs_imap *imap, /* location map structure */
@@ -60,27 +63,13 @@ void
xfs_ialloc_log_agi(
struct xfs_trans *tp, /* transaction pointer */
struct xfs_buf *bp, /* allocation group header buffer */
- int fields); /* bitmask of fields to log */
-
-/*
- * Read in the allocation group header (inode allocation section)
- */
-int /* error */
-xfs_ialloc_read_agi(
- struct xfs_mount *mp, /* file system mount structure */
- struct xfs_trans *tp, /* transaction pointer */
- xfs_agnumber_t agno, /* allocation group number */
- struct xfs_buf **bpp); /* allocation group hdr buf */
+ uint32_t fields); /* bitmask of fields to log */
-/*
- * Read in the allocation group header to initialise the per-ag data
- * in the mount structure
- */
-int
-xfs_ialloc_pagi_init(
- struct xfs_mount *mp, /* file system mount structure */
- struct xfs_trans *tp, /* transaction pointer */
- xfs_agnumber_t agno); /* allocation group number */
+int xfs_read_agi(struct xfs_perag *pag, struct xfs_trans *tp, xfs_buf_flags_t flags,
+ struct xfs_buf **agibpp);
+int xfs_ialloc_read_agi(struct xfs_perag *pag, struct xfs_trans *tp,
+ int flags, struct xfs_buf **agibpp);
+#define XFS_IALLOC_FLAG_TRYLOCK (1U << 0) /* use trylock for buffer locking */
/*
* Lookup a record by ino in the btree given by cur.
@@ -93,6 +82,7 @@ int xfs_inobt_lookup(struct xfs_btree_cur *cur, xfs_agino_t ino,
*/
int xfs_inobt_get_rec(struct xfs_btree_cur *cur,
xfs_inobt_rec_incore_t *rec, int *stat);
+uint8_t xfs_inobt_rec_freecount(const struct xfs_inobt_rec_incore *irec);
/*
* Inode chunk initialisation routine
@@ -102,17 +92,16 @@ int xfs_ialloc_inode_init(struct xfs_mount *mp, struct xfs_trans *tp,
xfs_agnumber_t agno, xfs_agblock_t agbno,
xfs_agblock_t length, unsigned int gen);
-int xfs_read_agi(struct xfs_mount *mp, struct xfs_trans *tp,
- xfs_agnumber_t agno, struct xfs_buf **bpp);
union xfs_btree_rec;
void xfs_inobt_btrec_to_irec(struct xfs_mount *mp,
const union xfs_btree_rec *rec,
struct xfs_inobt_rec_incore *irec);
+xfs_failaddr_t xfs_inobt_check_irec(struct xfs_perag *pag,
+ const struct xfs_inobt_rec_incore *irec);
int xfs_ialloc_has_inodes_at_extent(struct xfs_btree_cur *cur,
- xfs_agblock_t bno, xfs_extlen_t len, bool *exists);
-int xfs_ialloc_has_inode_record(struct xfs_btree_cur *cur, xfs_agino_t low,
- xfs_agino_t high, bool *exists);
+ xfs_agblock_t bno, xfs_extlen_t len,
+ enum xbtree_recpacking *outcome);
int xfs_ialloc_count_inodes(struct xfs_btree_cur *cur, xfs_agino_t *count,
xfs_agino_t *freecount);
int xfs_inobt_insert_rec(struct xfs_btree_cur *cur, uint16_t holemask,
@@ -123,7 +112,7 @@ int xfs_ialloc_cluster_alignment(struct xfs_mount *mp);
void xfs_ialloc_setup_geometry(struct xfs_mount *mp);
xfs_ino_t xfs_ialloc_calc_rootino(struct xfs_mount *mp, int sunit);
-int xfs_ialloc_check_shrink(struct xfs_trans *tp, xfs_agnumber_t agno,
+int xfs_ialloc_check_shrink(struct xfs_perag *pag, struct xfs_trans *tp,
struct xfs_buf *agibp, xfs_agblock_t new_length);
#endif /* __XFS_IALLOC_H__ */