aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorBob Peterson <rpeterso@redhat.com>2013-05-29 11:51:52 -0400
committerSteven Whitehouse <swhiteho@redhat.com>2013-06-03 16:40:22 +0100
commita6a4d98b0124b5d3befe8b3a99f51f1b4fcc6dcf (patch)
treec9da72b651e1c06ac14804d661f1dfbf4e8df75a
parente8830d8856e3ad61067dd46c05438b0d75a0441a (diff)
downloadvexpress-lsk-a6a4d98b0124b5d3befe8b3a99f51f1b4fcc6dcf.tar.gz
GFS2: Don't cache iopen glocks
This patch makes GFS2 immediately reclaim/delete all iopen glocks as soon as they're dequeued. This allows deleters to get an EXclusive lock on iopen so files are deleted properly instead of being set as unlinked. Signed-off-by: Bob Peterson <rpeterso@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
-rw-r--r--fs/gfs2/inode.c1
-rw-r--r--fs/gfs2/super.c6
2 files changed, 6 insertions, 1 deletions
diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index 8833a4f264e..62b484e4a9e 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -189,6 +189,7 @@ struct inode *gfs2_inode_lookup(struct super_block *sb, unsigned int type,
return inode;
fail_refresh:
+ ip->i_iopen_gh.gh_flags |= GL_NOCACHE;
ip->i_iopen_gh.gh_gl->gl_object = NULL;
gfs2_glock_dq_uninit(&ip->i_iopen_gh);
fail_iopen:
diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
index 917c8e1eb4a..e5639dec66c 100644
--- a/fs/gfs2/super.c
+++ b/fs/gfs2/super.c
@@ -1444,6 +1444,7 @@ static void gfs2_evict_inode(struct inode *inode)
/* Must not read inode block until block type has been verified */
error = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, GL_SKIP, &gh);
if (unlikely(error)) {
+ ip->i_iopen_gh.gh_flags |= GL_NOCACHE;
gfs2_glock_dq_uninit(&ip->i_iopen_gh);
goto out;
}
@@ -1514,8 +1515,10 @@ out_unlock:
if (gfs2_rs_active(ip->i_res))
gfs2_rs_deltree(ip->i_res);
- if (test_bit(HIF_HOLDER, &ip->i_iopen_gh.gh_iflags))
+ if (test_bit(HIF_HOLDER, &ip->i_iopen_gh.gh_iflags)) {
+ ip->i_iopen_gh.gh_flags |= GL_NOCACHE;
gfs2_glock_dq(&ip->i_iopen_gh);
+ }
gfs2_holder_uninit(&ip->i_iopen_gh);
gfs2_glock_dq_uninit(&gh);
if (error && error != GLR_TRYFAILED && error != -EROFS)
@@ -1534,6 +1537,7 @@ out:
ip->i_gl = NULL;
if (ip->i_iopen_gh.gh_gl) {
ip->i_iopen_gh.gh_gl->gl_object = NULL;
+ ip->i_iopen_gh.gh_flags |= GL_NOCACHE;
gfs2_glock_dq_uninit(&ip->i_iopen_gh);
}
}