diff options
Diffstat (limited to 'fs/xfs/libxfs/xfs_bmap.c')
-rw-r--r-- | fs/xfs/libxfs/xfs_bmap.c | 51 |
1 files changed, 17 insertions, 34 deletions
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index 932381caef1b..2f2c85cc8117 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -570,14 +570,12 @@ xfs_bmap_validate_ret( */ void xfs_bmap_add_free( + struct xfs_mount *mp, /* mount point structure */ + struct xfs_bmap_free *flist, /* list of extents */ xfs_fsblock_t bno, /* fs block number of extent */ - xfs_filblks_t len, /* length of extent */ - xfs_bmap_free_t *flist, /* list of extents */ - xfs_mount_t *mp) /* mount point structure */ + xfs_filblks_t len) /* length of extent */ { - xfs_bmap_free_item_t *cur; /* current (next) element */ - xfs_bmap_free_item_t *new; /* new element */ - xfs_bmap_free_item_t *prev; /* previous element */ + struct xfs_bmap_free_item *new; /* new element */ #ifdef DEBUG xfs_agnumber_t agno; xfs_agblock_t agbno; @@ -597,17 +595,7 @@ xfs_bmap_add_free( new = kmem_zone_alloc(xfs_bmap_free_item_zone, KM_SLEEP); new->xbfi_startblock = bno; new->xbfi_blockcount = (xfs_extlen_t)len; - for (prev = NULL, cur = flist->xbf_first; - cur != NULL; - prev = cur, cur = cur->xbfi_next) { - if (cur->xbfi_startblock >= bno) - break; - } - if (prev) - prev->xbfi_next = new; - else - flist->xbf_first = new; - new->xbfi_next = cur; + list_add(&new->xbfi_list, &flist->xbf_flist); flist->xbf_count++; } @@ -617,14 +605,10 @@ xfs_bmap_add_free( */ void xfs_bmap_del_free( - xfs_bmap_free_t *flist, /* free item list header */ - xfs_bmap_free_item_t *prev, /* previous item on list, if any */ - xfs_bmap_free_item_t *free) /* list item to be freed */ + struct xfs_bmap_free *flist, /* free item list header */ + struct xfs_bmap_free_item *free) /* list item to be freed */ { - if (prev) - prev->xbfi_next = free->xbfi_next; - else - flist->xbf_first = free->xbfi_next; + list_del(&free->xbfi_list); flist->xbf_count--; kmem_zone_free(xfs_bmap_free_item_zone, free); } @@ -634,17 +618,16 @@ xfs_bmap_del_free( */ void xfs_bmap_cancel( - xfs_bmap_free_t *flist) /* list of bmap_free_items */ + struct xfs_bmap_free *flist) /* list of bmap_free_items */ { - xfs_bmap_free_item_t *free; /* free list item */ - xfs_bmap_free_item_t *next; + struct xfs_bmap_free_item *free; /* free list item */ if (flist->xbf_count == 0) return; - ASSERT(flist->xbf_first != NULL); - for (free = flist->xbf_first; free; free = next) { - next = free->xbfi_next; - xfs_bmap_del_free(flist, NULL, free); + while (!list_empty(&flist->xbf_flist)) { + free = list_first_entry(&flist->xbf_flist, + struct xfs_bmap_free_item, xbfi_list); + xfs_bmap_del_free(flist, free); } ASSERT(flist->xbf_count == 0); } @@ -699,7 +682,7 @@ xfs_bmap_btree_to_extents( cblock = XFS_BUF_TO_BLOCK(cbp); if ((error = xfs_btree_check_block(cur, cblock, 0, cbp))) return error; - xfs_bmap_add_free(cbno, 1, cur->bc_private.b.flist, mp); + xfs_bmap_add_free(mp, cur->bc_private.b.flist, cbno, 1); ip->i_d.di_nblocks--; xfs_trans_mod_dquot_byino(tp, ip, XFS_TRANS_DQ_BCOUNT, -1L); xfs_trans_binval(tp, cbp); @@ -5073,8 +5056,8 @@ xfs_bmap_del_extent( * If we need to, add to list of extents to delete. */ if (do_fx) - xfs_bmap_add_free(del->br_startblock, del->br_blockcount, flist, - mp); + xfs_bmap_add_free(mp, flist, del->br_startblock, + del->br_blockcount); /* * Adjust inode # blocks in the file. */ |