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Diffstat (limited to 'fs/xfs/libxfs/xfs_bmap.h')
-rw-r--r--fs/xfs/libxfs/xfs_bmap.h33
1 files changed, 33 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_bmap.h b/fs/xfs/libxfs/xfs_bmap.h
index 44db6db86402..b9d8a499d2c4 100644
--- a/fs/xfs/libxfs/xfs_bmap.h
+++ b/fs/xfs/libxfs/xfs_bmap.h
@@ -28,6 +28,37 @@ struct xfs_trans;
28extern kmem_zone_t *xfs_bmap_free_item_zone; 28extern kmem_zone_t *xfs_bmap_free_item_zone;
29 29
30/* 30/*
31 * Argument structure for xfs_bmap_alloc.
32 */
33struct xfs_bmalloca {
34 xfs_fsblock_t *firstblock; /* i/o first block allocated */
35 struct xfs_bmap_free *flist; /* bmap freelist */
36 struct xfs_trans *tp; /* transaction pointer */
37 struct xfs_inode *ip; /* incore inode pointer */
38 struct xfs_bmbt_irec prev; /* extent before the new one */
39 struct xfs_bmbt_irec got; /* extent after, or delayed */
40
41 xfs_fileoff_t offset; /* offset in file filling in */
42 xfs_extlen_t length; /* i/o length asked/allocated */
43 xfs_fsblock_t blkno; /* starting block of new extent */
44
45 struct xfs_btree_cur *cur; /* btree cursor */
46 xfs_extnum_t idx; /* current extent index */
47 int nallocs;/* number of extents alloc'd */
48 int logflags;/* flags for transaction logging */
49
50 xfs_extlen_t total; /* total blocks needed for xaction */
51 xfs_extlen_t minlen; /* minimum allocation size (blocks) */
52 xfs_extlen_t minleft; /* amount must be left after alloc */
53 bool eof; /* set if allocating past last extent */
54 bool wasdel; /* replacing a delayed allocation */
55 bool userdata;/* set if is user data */
56 bool aeof; /* allocated space at eof */
57 bool conv; /* overwriting unwritten extents */
58 int flags;
59};
60
61/*
31 * List of extents to be free "later". 62 * List of extents to be free "later".
32 * The list is kept sorted on xbf_startblock. 63 * The list is kept sorted on xbf_startblock.
33 */ 64 */
@@ -149,6 +180,8 @@ void xfs_bmap_local_to_extents_empty(struct xfs_inode *ip, int whichfork);
149void xfs_bmap_add_free(xfs_fsblock_t bno, xfs_filblks_t len, 180void xfs_bmap_add_free(xfs_fsblock_t bno, xfs_filblks_t len,
150 struct xfs_bmap_free *flist, struct xfs_mount *mp); 181 struct xfs_bmap_free *flist, struct xfs_mount *mp);
151void xfs_bmap_cancel(struct xfs_bmap_free *flist); 182void xfs_bmap_cancel(struct xfs_bmap_free *flist);
183int xfs_bmap_finish(struct xfs_trans **tp, struct xfs_bmap_free *flist,
184 int *committed);
152void xfs_bmap_compute_maxlevels(struct xfs_mount *mp, int whichfork); 185void xfs_bmap_compute_maxlevels(struct xfs_mount *mp, int whichfork);
153int xfs_bmap_first_unused(struct xfs_trans *tp, struct xfs_inode *ip, 186int xfs_bmap_first_unused(struct xfs_trans *tp, struct xfs_inode *ip,
154 xfs_extlen_t len, xfs_fileoff_t *unused, int whichfork); 187 xfs_extlen_t len, xfs_fileoff_t *unused, int whichfork);