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authorDave Chinner <david@fromorbit.com>2016-10-03 09:52:51 +1100
committerDave Chinner <david@fromorbit.com>2016-10-03 09:52:51 +1100
commita89b3f97bb7c248aea155a90f31d3dfb93b75971 (patch)
tree274d6f99d2a81b73ba13868a9188b725c918e5b8 /fs/xfs/xfs_icache.c
parent79ad57612495744d3875a6fba25c467a87b3ad64 (diff)
parent51446f5ba44874db4d2a93a6eb61b133e5ec1b3e (diff)
Merge branch 'xfs-4.9-delalloc-rework' into for-next
Diffstat (limited to 'fs/xfs/xfs_icache.c')
-rw-r--r--fs/xfs/xfs_icache.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c
index fb39a66914dd8..65b2e3f85f52a 100644
--- a/fs/xfs/xfs_icache.c
+++ b/fs/xfs/xfs_icache.c
@@ -1414,6 +1414,16 @@ xfs_inode_set_eofblocks_tag(
struct xfs_perag *pag;
int tagged;
+ /*
+ * Don't bother locking the AG and looking up in the radix trees
+ * if we already know that we have the tag set.
+ */
+ if (ip->i_flags & XFS_IEOFBLOCKS)
+ return;
+ spin_lock(&ip->i_flags_lock);
+ ip->i_flags |= XFS_IEOFBLOCKS;
+ spin_unlock(&ip->i_flags_lock);
+
pag = xfs_perag_get(mp, XFS_INO_TO_AGNO(mp, ip->i_ino));
spin_lock(&pag->pag_ici_lock);
trace_xfs_inode_set_eofblocks_tag(ip);
@@ -1449,6 +1459,10 @@ xfs_inode_clear_eofblocks_tag(
struct xfs_mount *mp = ip->i_mount;
struct xfs_perag *pag;
+ spin_lock(&ip->i_flags_lock);
+ ip->i_flags &= ~XFS_IEOFBLOCKS;
+ spin_unlock(&ip->i_flags_lock);
+
pag = xfs_perag_get(mp, XFS_INO_TO_AGNO(mp, ip->i_ino));
spin_lock(&pag->pag_ici_lock);
trace_xfs_inode_clear_eofblocks_tag(ip);