On 2020/4/30 10:50, Yan, Zheng wrote:
On Wed, Apr 29, 2020 at 8:49 AM Wu Bo wrote:
On 2020/4/28 22:48, Jeff Layton wrote:
On Tue, 2020-04-28 at 21:13 +0800, Wu Bo wrote:
if the ceph_mdsc_open_export_target_session() return fails,
should add a lock to avoid twice unlocking.
Because the lock
On Wed, Apr 29, 2020 at 8:49 AM Wu Bo wrote:
>
> On 2020/4/28 22:48, Jeff Layton wrote:
> > On Tue, 2020-04-28 at 21:13 +0800, Wu Bo wrote:
> >> if the ceph_mdsc_open_export_target_session() return fails,
> >> should add a lock to avoid twice unlocking.
> >> Because the lock will be released at
On Wed, 2020-04-29 at 08:46 +0800, Wu Bo wrote:
> On 2020/4/28 22:48, Jeff Layton wrote:
> > On Tue, 2020-04-28 at 21:13 +0800, Wu Bo wrote:
> > > if the ceph_mdsc_open_export_target_session() return fails,
> > > should add a lock to avoid twice unlocking.
> > > Because the lock will be released
On 2020/4/28 22:48, Jeff Layton wrote:
On Tue, 2020-04-28 at 21:13 +0800, Wu Bo wrote:
if the ceph_mdsc_open_export_target_session() return fails,
should add a lock to avoid twice unlocking.
Because the lock will be released at the retry or out_unlock tag.
The problem looks real, but...
--
On Tue, 2020-04-28 at 21:13 +0800, Wu Bo wrote:
> if the ceph_mdsc_open_export_target_session() return fails,
> should add a lock to avoid twice unlocking.
> Because the lock will be released at the retry or out_unlock tag.
>
The problem looks real, but...
> --
> v1 -> v2:
> add
if the ceph_mdsc_open_export_target_session() return fails,
should add a lock to avoid twice unlocking.
Because the lock will be released at the retry or out_unlock tag.
--
v1 -> v2:
add spin_lock(>i_ceph_lock) before goto out_unlock tag.
Signed-off-by: Wu Bo
---
fs/ceph/caps.c | 27
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