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| author | Jeff Layton <jlayton@kernel.org> | 2019-11-20 20:00:59 +0300 |
|---|---|---|
| committer | Ilya Dryomov <idryomov@gmail.com> | 2019-12-09 22:55:10 +0300 |
| commit | 3a3430affce5de301fc8e6e50fa3543d7597820e (patch) | |
| tree | bdabd16c0708b46096b4301e5a7a206311adb396 /fs/ceph/mds_client.h | |
| parent | ad8c28a9eb81ca90fda29f48cfb4d19305943737 (diff) | |
| download | linux-3a3430affce5de301fc8e6e50fa3543d7597820e.tar.xz | |
ceph: show tasks waiting on caps in debugfs caps file
Add some visibility of tasks that are waiting for caps to the "caps"
debugfs file. Display the tgid of the waiting task, inode number, and
the caps the task needs and wants.
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: "Yan, Zheng" <zyan@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'fs/ceph/mds_client.h')
| -rw-r--r-- | fs/ceph/mds_client.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/ceph/mds_client.h b/fs/ceph/mds_client.h index 5cd131b41d84..14c7e8c49970 100644 --- a/fs/ceph/mds_client.h +++ b/fs/ceph/mds_client.h @@ -340,6 +340,14 @@ struct ceph_quotarealm_inode { struct inode *inode; }; +struct cap_wait { + struct list_head list; + unsigned long ino; + pid_t tgid; + int need; + int want; +}; + /* * mds client state */ @@ -416,6 +424,7 @@ struct ceph_mds_client { spinlock_t caps_list_lock; struct list_head caps_list; /* unused (reserved or unreserved) */ + struct list_head cap_wait_list; int caps_total_count; /* total caps allocated */ int caps_use_count; /* in use */ int caps_use_max; /* max used caps */ |