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path: root/fs/xfs/libxfs/xfs_rmap.c
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Diffstat (limited to 'fs/xfs/libxfs/xfs_rmap.c')
-rw-r--r--fs/xfs/libxfs/xfs_rmap.c59
1 files changed, 30 insertions, 29 deletions
diff --git a/fs/xfs/libxfs/xfs_rmap.c b/fs/xfs/libxfs/xfs_rmap.c
index e6aeb390b2fb..38e9414878b3 100644
--- a/fs/xfs/libxfs/xfs_rmap.c
+++ b/fs/xfs/libxfs/xfs_rmap.c
@@ -168,7 +168,6 @@ xfs_rmap_btrec_to_irec(
union xfs_btree_rec *rec,
struct xfs_rmap_irec *irec)
{
- irec->rm_flags = 0;
irec->rm_startblock = be32_to_cpu(rec->rmap.rm_startblock);
irec->rm_blockcount = be32_to_cpu(rec->rmap.rm_blockcount);
irec->rm_owner = be64_to_cpu(rec->rmap.rm_owner);
@@ -254,15 +253,15 @@ xfs_rmap_find_left_neighbor_helper(
rec->rm_flags);
if (rec->rm_owner != info->high.rm_owner)
- return XFS_BTREE_QUERY_RANGE_CONTINUE;
+ return 0;
if (!XFS_RMAP_NON_INODE_OWNER(rec->rm_owner) &&
!(rec->rm_flags & XFS_RMAP_BMBT_BLOCK) &&
rec->rm_offset + rec->rm_blockcount - 1 != info->high.rm_offset)
- return XFS_BTREE_QUERY_RANGE_CONTINUE;
+ return 0;
*info->irec = *rec;
*info->stat = 1;
- return XFS_BTREE_QUERY_RANGE_ABORT;
+ return -ECANCELED;
}
/*
@@ -305,7 +304,7 @@ xfs_rmap_find_left_neighbor(
error = xfs_rmap_query_range(cur, &info.high, &info.high,
xfs_rmap_find_left_neighbor_helper, &info);
- if (error == XFS_BTREE_QUERY_RANGE_ABORT)
+ if (error == -ECANCELED)
error = 0;
if (*stat)
trace_xfs_rmap_find_left_neighbor_result(cur->bc_mp,
@@ -330,16 +329,16 @@ xfs_rmap_lookup_le_range_helper(
rec->rm_flags);
if (rec->rm_owner != info->high.rm_owner)
- return XFS_BTREE_QUERY_RANGE_CONTINUE;
+ return 0;
if (!XFS_RMAP_NON_INODE_OWNER(rec->rm_owner) &&
!(rec->rm_flags & XFS_RMAP_BMBT_BLOCK) &&
(rec->rm_offset > info->high.rm_offset ||
rec->rm_offset + rec->rm_blockcount <= info->high.rm_offset))
- return XFS_BTREE_QUERY_RANGE_CONTINUE;
+ return 0;
*info->irec = *rec;
*info->stat = 1;
- return XFS_BTREE_QUERY_RANGE_ABORT;
+ return -ECANCELED;
}
/*
@@ -377,7 +376,7 @@ xfs_rmap_lookup_le_range(
cur->bc_private.a.agno, bno, 0, owner, offset, flags);
error = xfs_rmap_query_range(cur, &info.high, &info.high,
xfs_rmap_lookup_le_range_helper, &info);
- if (error == XFS_BTREE_QUERY_RANGE_ABORT)
+ if (error == -ECANCELED)
error = 0;
if (*stat)
trace_xfs_rmap_lookup_le_range_result(cur->bc_mp,
@@ -2268,7 +2267,7 @@ xfs_rmap_update_is_needed(
* Record a rmap intent; the list is kept sorted first by AG and then by
* increasing age.
*/
-static int
+static void
__xfs_rmap_add(
struct xfs_trans *tp,
enum xfs_rmap_intent_type type,
@@ -2287,7 +2286,7 @@ __xfs_rmap_add(
bmap->br_blockcount,
bmap->br_state);
- ri = kmem_alloc(sizeof(struct xfs_rmap_intent), KM_SLEEP | KM_NOFS);
+ ri = kmem_alloc(sizeof(struct xfs_rmap_intent), KM_NOFS);
INIT_LIST_HEAD(&ri->ri_list);
ri->ri_type = type;
ri->ri_owner = owner;
@@ -2295,11 +2294,10 @@ __xfs_rmap_add(
ri->ri_bmap = *bmap;
xfs_defer_add(tp, XFS_DEFER_OPS_TYPE_RMAP, &ri->ri_list);
- return 0;
}
/* Map an extent into a file. */
-int
+void
xfs_rmap_map_extent(
struct xfs_trans *tp,
struct xfs_inode *ip,
@@ -2307,15 +2305,15 @@ xfs_rmap_map_extent(
struct xfs_bmbt_irec *PREV)
{
if (!xfs_rmap_update_is_needed(tp->t_mountp, whichfork))
- return 0;
+ return;
- return __xfs_rmap_add(tp, xfs_is_reflink_inode(ip) ?
+ __xfs_rmap_add(tp, xfs_is_reflink_inode(ip) ?
XFS_RMAP_MAP_SHARED : XFS_RMAP_MAP, ip->i_ino,
whichfork, PREV);
}
/* Unmap an extent out of a file. */
-int
+void
xfs_rmap_unmap_extent(
struct xfs_trans *tp,
struct xfs_inode *ip,
@@ -2323,9 +2321,9 @@ xfs_rmap_unmap_extent(
struct xfs_bmbt_irec *PREV)
{
if (!xfs_rmap_update_is_needed(tp->t_mountp, whichfork))
- return 0;
+ return;
- return __xfs_rmap_add(tp, xfs_is_reflink_inode(ip) ?
+ __xfs_rmap_add(tp, xfs_is_reflink_inode(ip) ?
XFS_RMAP_UNMAP_SHARED : XFS_RMAP_UNMAP, ip->i_ino,
whichfork, PREV);
}
@@ -2336,7 +2334,7 @@ xfs_rmap_unmap_extent(
* Note that tp can be NULL here as no transaction is used for COW fork
* unwritten conversion.
*/
-int
+void
xfs_rmap_convert_extent(
struct xfs_mount *mp,
struct xfs_trans *tp,
@@ -2345,15 +2343,15 @@ xfs_rmap_convert_extent(
struct xfs_bmbt_irec *PREV)
{
if (!xfs_rmap_update_is_needed(mp, whichfork))
- return 0;
+ return;
- return __xfs_rmap_add(tp, xfs_is_reflink_inode(ip) ?
+ __xfs_rmap_add(tp, xfs_is_reflink_inode(ip) ?
XFS_RMAP_CONVERT_SHARED : XFS_RMAP_CONVERT, ip->i_ino,
whichfork, PREV);
}
/* Schedule the creation of an rmap for non-file data. */
-int
+void
xfs_rmap_alloc_extent(
struct xfs_trans *tp,
xfs_agnumber_t agno,
@@ -2364,18 +2362,18 @@ xfs_rmap_alloc_extent(
struct xfs_bmbt_irec bmap;
if (!xfs_rmap_update_is_needed(tp->t_mountp, XFS_DATA_FORK))
- return 0;
+ return;
bmap.br_startblock = XFS_AGB_TO_FSB(tp->t_mountp, agno, bno);
bmap.br_blockcount = len;
bmap.br_startoff = 0;
bmap.br_state = XFS_EXT_NORM;
- return __xfs_rmap_add(tp, XFS_RMAP_ALLOC, owner, XFS_DATA_FORK, &bmap);
+ __xfs_rmap_add(tp, XFS_RMAP_ALLOC, owner, XFS_DATA_FORK, &bmap);
}
/* Schedule the deletion of an rmap for non-file data. */
-int
+void
xfs_rmap_free_extent(
struct xfs_trans *tp,
xfs_agnumber_t agno,
@@ -2386,14 +2384,14 @@ xfs_rmap_free_extent(
struct xfs_bmbt_irec bmap;
if (!xfs_rmap_update_is_needed(tp->t_mountp, XFS_DATA_FORK))
- return 0;
+ return;
bmap.br_startblock = XFS_AGB_TO_FSB(tp->t_mountp, agno, bno);
bmap.br_blockcount = len;
bmap.br_startoff = 0;
bmap.br_state = XFS_EXT_NORM;
- return __xfs_rmap_add(tp, XFS_RMAP_FREE, owner, XFS_DATA_FORK, &bmap);
+ __xfs_rmap_add(tp, XFS_RMAP_FREE, owner, XFS_DATA_FORK, &bmap);
}
/* Compare rmap records. Returns -1 if a < b, 1 if a > b, and 0 if equal. */
@@ -2511,7 +2509,7 @@ xfs_rmap_has_other_keys_helper(
((rks->flags & rec->rm_flags) & XFS_RMAP_KEY_FLAGS) == rks->flags)
return 0;
rks->has_rmap = true;
- return XFS_BTREE_QUERY_RANGE_ABORT;
+ return -ECANCELED;
}
/*
@@ -2540,8 +2538,11 @@ xfs_rmap_has_other_keys(
error = xfs_rmap_query_range(cur, &low, &high,
xfs_rmap_has_other_keys_helper, &rks);
+ if (error < 0)
+ return error;
+
*has_rmap = rks.has_rmap;
- return error;
+ return 0;
}
const struct xfs_owner_info XFS_RMAP_OINFO_SKIP_UPDATE = {
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