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[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>
This commit is contained in:
Abhijith Das 2006-07-21 02:03:21 -04:00 committed by Steven Whitehouse
parent c5921fd02e
commit 52f341cf75
1 changed files with 1 additions and 4 deletions
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5
fs/gfs2/ops_file.c
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@ -608,12 +608,9 @@ static int do_gfs2_set_flags(struct file *filp, u32 reqflags, u32 mask)
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);