[GFS2] gfs2_set_flags double locking patch
traced the "umount hang due to spurious glock" issue that I was having
with gfs2meta. It's in the do_gfs2_set_flags function, which does a
gfs2_holder_init as well as a gfs2_glock_nq_init (increases ref count by
2 instead of 1).
Signed-off-by: Abhijith Das <adas@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
diff --git a/fs/gfs2/ops_file.c b/fs/gfs2/ops_file.c
index 26f1d32..6764ca6 100644
--- a/fs/gfs2/ops_file.c
+++ b/fs/gfs2/ops_file.c
@@ -608,12 +608,9 @@
int error;
u32 new_flags, flags;
- gfs2_holder_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh);
error = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh);
- if (error) {
- gfs2_holder_uninit(&gh);
+ if (error)
return error;
- }
flags = ip->i_di.di_flags;
new_flags = (flags & ~mask) | (reqflags & mask);