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| author |   Rahul Deshmukh <rahul.deshmukh@seagate.com> | 2017-01-28 19:05:06 -0500 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-02-03 13:01:38 +0100 |
| commit | 3f4f78240d7c098f3db2f8b671484406fff32dfc (patch) | |
| tree | 8a13aadd281276f5140df36a736e44840fd1a07c /drivers/staging/lustre/lustre/llite/llite_internal.h | |
| parent | staging: lustre: llite: specify READA debug mask for ras_update (diff) | |
| download | linux-dev-3f4f78240d7c098f3db2f8b671484406fff32dfc.tar.xz linux-dev-3f4f78240d7c098f3db2f8b671484406fff32dfc.zip | |
staging: lustre: llite: Adding timed wait in ll_umount_begin
There exists timing race between umount and other
thread which will increment the reference count on
mnt e.g. getattr. If umount thread lose the race
then umount fails with EBUSY error. To avoid this
timed wait is added so that umount thread will wait
for user to decrement the mnt reference count.
Signed-off-by: Rahul Deshmukh <rahul.deshmukh@seagate.com>
Signed-off-by: Lokesh Nagappa Jaliminche <lokesh.jaliminche@seagate.com>
Signed-off-by: Jian Yu <jian.yu@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-1882
Seagate-bug-id: MRP-1192
Reviewed-on: http://review.whamcloud.com/20061
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: Lai Siyao <lai.siyao@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/lustre/lustre/llite/llite_internal.h')
| -rw-r--r-- | drivers/staging/lustre/lustre/llite/llite_internal.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/staging/lustre/lustre/llite/llite_internal.h b/drivers/staging/lustre/lustre/llite/llite_internal.h index 501957cac8ad..ecdfd0c29b7f 100644 --- a/drivers/staging/lustre/lustre/llite/llite_internal.h +++ b/drivers/staging/lustre/lustre/llite/llite_internal.h @@ -506,6 +506,7 @@ struct ll_sb_info { */ /* root squash */ struct root_squash_info ll_squash; + struct path ll_mnt; __kernel_fsid_t ll_fsid; struct kobject ll_kobj; /* sysfs object */ |