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authorDarrick J. Wong <darrick.wong@oracle.com>2020-05-21 13:08:48 -0700
committerDarrick J. Wong <darrick.wong@oracle.com>2020-05-27 08:49:27 -0700
commita91bf9928e1e16dd175ff363efa54ebc9e38d53d (patch)
tree5043d649a2d8a66a5b2eac52aafeb7bce430dddc /fs/xfs
parent8921a0fda54adf0a45ef15a9507594829e4ec6f5 (diff)
downloadlinux-a91bf9928e1e16dd175ff363efa54ebc9e38d53d.tar.bz2
xfs: refactor eofb matching into a single helper
Refactor the two eofb-matching logics into a single helper so that we don't repeat ourselves. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'fs/xfs')
-rw-r--r--fs/xfs/xfs_icache.c62
1 files changed, 34 insertions, 28 deletions
diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c
index bd06edbac5ce..d10424a0015a 100644
--- a/fs/xfs/xfs_icache.c
+++ b/fs/xfs/xfs_icache.c
@@ -1456,6 +1456,36 @@ xfs_inode_match_id_union(
return 0;
}
+/*
+ * Is this inode @ip eligible for eof/cow block reclamation, given some
+ * filtering parameters @eofb? The inode is eligible if @eofb is null or
+ * if the predicate functions match.
+ */
+static bool
+xfs_inode_matches_eofb(
+ struct xfs_inode *ip,
+ struct xfs_eofblocks *eofb)
+{
+ int match;
+
+ if (!eofb)
+ return true;
+
+ if (eofb->eof_flags & XFS_EOF_FLAGS_UNION)
+ match = xfs_inode_match_id_union(ip, eofb);
+ else
+ match = xfs_inode_match_id(ip, eofb);
+ if (!match)
+ return false;
+
+ /* skip the inode if the file size is too small */
+ if ((eofb->eof_flags & XFS_EOF_FLAGS_MINFILESIZE) &&
+ XFS_ISIZE(ip) < eofb->eof_min_file_size)
+ return false;
+
+ return true;
+}
+
STATIC int
xfs_inode_free_eofblocks(
struct xfs_inode *ip,
@@ -1463,7 +1493,6 @@ xfs_inode_free_eofblocks(
{
struct xfs_eofblocks *eofb = args;
bool wait;
- int match;
int ret;
wait = eofb && (eofb->eof_flags & XFS_EOF_FLAGS_SYNC);
@@ -1482,19 +1511,8 @@ xfs_inode_free_eofblocks(
if (!wait && mapping_tagged(VFS_I(ip)->i_mapping, PAGECACHE_TAG_DIRTY))
return 0;
- if (eofb) {
- if (eofb->eof_flags & XFS_EOF_FLAGS_UNION)
- match = xfs_inode_match_id_union(ip, eofb);
- else
- match = xfs_inode_match_id(ip, eofb);
- if (!match)
- return 0;
-
- /* skip the inode if the file size is too small */
- if (eofb->eof_flags & XFS_EOF_FLAGS_MINFILESIZE &&
- XFS_ISIZE(ip) < eofb->eof_min_file_size)
- return 0;
- }
+ if (!xfs_inode_matches_eofb(ip, eofb))
+ return 0;
/*
* If the caller is waiting, return -EAGAIN to keep the background
@@ -1737,25 +1755,13 @@ xfs_inode_free_cowblocks(
void *args)
{
struct xfs_eofblocks *eofb = args;
- int match;
int ret = 0;
if (!xfs_prep_free_cowblocks(ip))
return 0;
- if (eofb) {
- if (eofb->eof_flags & XFS_EOF_FLAGS_UNION)
- match = xfs_inode_match_id_union(ip, eofb);
- else
- match = xfs_inode_match_id(ip, eofb);
- if (!match)
- return 0;
-
- /* skip the inode if the file size is too small */
- if (eofb->eof_flags & XFS_EOF_FLAGS_MINFILESIZE &&
- XFS_ISIZE(ip) < eofb->eof_min_file_size)
- return 0;
- }
+ if (!xfs_inode_matches_eofb(ip, eofb))
+ return 0;
/* Free the CoW blocks */
xfs_ilock(ip, XFS_IOLOCK_EXCL);