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| author | Sage Weil <sage@inktank.com> | 2013-02-05 13:40:09 -0800 |
|---|---|---|
| committer | Yan, Zheng <zheng.z.yan@intel.com> | 2014-04-03 10:33:53 +0800 |
| commit | 844d87c3329980e2b1849cf53205d7fa965d8995 (patch) | |
| tree | 46e524da39d068d18d03502323871099144dec4c /fs/ceph | |
| parent | 752c8bdcfe88f27a17c5c9264df928fd145a4b30 (diff) | |
| download | linux-844d87c3329980e2b1849cf53205d7fa965d8995.tar.gz linux-844d87c3329980e2b1849cf53205d7fa965d8995.tar.bz2 linux-844d87c3329980e2b1849cf53205d7fa965d8995.zip | |
ceph: do not assume r_old_dentry[_dir] always set together
Do not assume that r_old_dentry implies that r_old_dentry_dir is also
true. Separate out the ref cleanup and make the debugs dump behave when
it is NULL.
Signed-off-by: Sage Weil <sage@inktank.com>
Reviewed-by: Yan, Zheng <zheng.z.yan@intel.com>
Diffstat (limited to 'fs/ceph')
| -rw-r--r-- | fs/ceph/debugfs.c | 3 | ||||
| -rw-r--r-- | fs/ceph/mds_client.c | 7 |
2 files changed, 6 insertions, 4 deletions
diff --git a/fs/ceph/debugfs.c b/fs/ceph/debugfs.c index 6d59006bfa27..8c6f313db3ea 100644 --- a/fs/ceph/debugfs.c +++ b/fs/ceph/debugfs.c @@ -102,7 +102,8 @@ static int mdsc_show(struct seq_file *s, void *p) path = NULL; spin_lock(&req->r_old_dentry->d_lock); seq_printf(s, " #%llx/%.*s (%s)", - ceph_ino(req->r_old_dentry_dir), + req->r_old_dentry_dir ? + ceph_ino(req->r_old_dentry_dir) : 0, req->r_old_dentry->d_name.len, req->r_old_dentry->d_name.name, path ? path : ""); diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c index f4f050a69a48..f260bd8d61cd 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -528,7 +528,9 @@ void ceph_mdsc_release_request(struct kref *kref) iput(req->r_target_inode); if (req->r_dentry) dput(req->r_dentry); - if (req->r_old_dentry) { + if (req->r_old_dentry) + dput(req->r_old_dentry); + if (req->r_old_dentry_dir) { /* * track (and drop pins for) r_old_dentry_dir * separately, since r_old_dentry's d_parent may have @@ -537,7 +539,6 @@ void ceph_mdsc_release_request(struct kref *kref) */ ceph_put_cap_refs(ceph_inode(req->r_old_dentry_dir), CEPH_CAP_PIN); - dput(req->r_old_dentry); iput(req->r_old_dentry_dir); } kfree(req->r_path1); @@ -2053,7 +2054,7 @@ int ceph_mdsc_do_request(struct ceph_mds_client *mdsc, ceph_get_cap_refs(ceph_inode(req->r_inode), CEPH_CAP_PIN); if (req->r_locked_dir) ceph_get_cap_refs(ceph_inode(req->r_locked_dir), CEPH_CAP_PIN); - if (req->r_old_dentry) + if (req->r_old_dentry_dir) ceph_get_cap_refs(ceph_inode(req->r_old_dentry_dir), CEPH_CAP_PIN); |