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authorSteven Whitehouse <swhiteho@redhat.com>2007-01-08 14:31:40 +0000
committerSteven Whitehouse <swhiteho@redhat.com>2007-02-05 13:36:24 -0500
commit49686f71060e342bce6644a5c69fbc6ad0e75a13 (patch)
treeb0cb01ccb67d7e4d71a8d17051f53dae475bfc20 /fs/gfs2/ops_super.c
parent4edde74eedb8bc4c03adc3602b114b72a7ccd13f (diff)
[GFS2] Fix ordering of page disposal vs. glock_dq
In case of unlinked files with dirty pages GFS2 wasn't clearing the pages in quite the right order. This patch clears the pages earlier (before the qlock_dq) to avoid the situation that the release of the glock results in attempting to write back data that has already been deallocated. This fixes Red Hat bugzilla: #220117 Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs/gfs2/ops_super.c')
-rw-r--r--fs/gfs2/ops_super.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/gfs2/ops_super.c b/fs/gfs2/ops_super.c
index b2837839eed..c22738cdbf2 100644
--- a/fs/gfs2/ops_super.c
+++ b/fs/gfs2/ops_super.c
@@ -429,6 +429,12 @@ static void gfs2_delete_inode(struct inode *inode)
}
error = gfs2_dinode_dealloc(ip);
+ /*
+ * Must do this before unlock to avoid trying to write back
+ * potentially dirty data now that inode no longer exists
+ * on disk.
+ */
+ truncate_inode_pages(&inode->i_data, 0);
out_unlock:
gfs2_glock_dq(&ip->i_iopen_gh);