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@@ -27,6 +27,37 @@ struct xfs_trans;
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extern kmem_zone_t *xfs_bmap_free_item_zone;
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+/*
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+ * Argument structure for xfs_bmap_alloc.
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+ */
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+struct xfs_bmalloca {
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+ xfs_fsblock_t *firstblock; /* i/o first block allocated */
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+ struct xfs_bmap_free *flist; /* bmap freelist */
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+ struct xfs_trans *tp; /* transaction pointer */
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+ struct xfs_inode *ip; /* incore inode pointer */
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+ struct xfs_bmbt_irec prev; /* extent before the new one */
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+ struct xfs_bmbt_irec got; /* extent after, or delayed */
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+
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+ xfs_fileoff_t offset; /* offset in file filling in */
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+ xfs_extlen_t length; /* i/o length asked/allocated */
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+ xfs_fsblock_t blkno; /* starting block of new extent */
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+
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+ struct xfs_btree_cur *cur; /* btree cursor */
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+ xfs_extnum_t idx; /* current extent index */
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+ int nallocs;/* number of extents alloc'd */
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+ int logflags;/* flags for transaction logging */
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+
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+ xfs_extlen_t total; /* total blocks needed for xaction */
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+ xfs_extlen_t minlen; /* minimum allocation size (blocks) */
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+ xfs_extlen_t minleft; /* amount must be left after alloc */
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+ bool eof; /* set if allocating past last extent */
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+ bool wasdel; /* replacing a delayed allocation */
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+ bool userdata;/* set if is user data */
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+ bool aeof; /* allocated space at eof */
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+ bool conv; /* overwriting unwritten extents */
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+ int flags;
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+};
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+
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/*
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* List of extents to be free "later".
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* The list is kept sorted on xbf_startblock.
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@@ -149,6 +180,8 @@ void xfs_bmap_local_to_extents_empty(struct xfs_inode *ip, int whichfork);
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void xfs_bmap_add_free(xfs_fsblock_t bno, xfs_filblks_t len,
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struct xfs_bmap_free *flist, struct xfs_mount *mp);
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void xfs_bmap_cancel(struct xfs_bmap_free *flist);
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+int xfs_bmap_finish(struct xfs_trans **tp, struct xfs_bmap_free *flist,
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+ int *committed);
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void xfs_bmap_compute_maxlevels(struct xfs_mount *mp, int whichfork);
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int xfs_bmap_first_unused(struct xfs_trans *tp, struct xfs_inode *ip,
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xfs_extlen_t len, xfs_fileoff_t *unused, int whichfork);
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