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| author | Yan, Zheng <zheng.z.yan@intel.com> | 2012-11-19 10:49:08 +0800 |
|---|---|---|
| committer | Alex Elder <elder@inktank.com> | 2012-12-13 08:13:08 -0600 |
| commit | a85f50b6ef93fbbb2ae932ce9b2376509d172796 (patch) | |
| tree | eaf774cd7757f1187a8e8201e28fdf8f2e183170 | |
| parent | 0685235ffd9dbdb9ccbda587f8a3c83ad1d5a921 (diff) | |
| download | linux-a85f50b6ef93fbbb2ae932ce9b2376509d172796.tar.bz2 | |
ceph: Fix __ceph_do_pending_vmtruncate
we should set i_truncate_pending to 0 after page cache is truncated
to i_truncate_size
Signed-off-by: Yan, Zheng <zheng.z.yan@intel.com>
Signed-off-by: Sage Weil <sage@inktank.com>
| -rw-r--r-- | fs/ceph/inode.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c index 4b5762ef7c2b..81613bced19f 100644 --- a/fs/ceph/inode.c +++ b/fs/ceph/inode.c @@ -1466,7 +1466,7 @@ void __ceph_do_pending_vmtruncate(struct inode *inode) { struct ceph_inode_info *ci = ceph_inode(inode); u64 to; - int wrbuffer_refs, wake = 0; + int wrbuffer_refs, finish = 0; retry: spin_lock(&ci->i_ceph_lock); @@ -1498,15 +1498,18 @@ retry: truncate_inode_pages(inode->i_mapping, to); spin_lock(&ci->i_ceph_lock); - ci->i_truncate_pending--; - if (ci->i_truncate_pending == 0) - wake = 1; + if (to == ci->i_truncate_size) { + ci->i_truncate_pending = 0; + finish = 1; + } spin_unlock(&ci->i_ceph_lock); + if (!finish) + goto retry; if (wrbuffer_refs == 0) ceph_check_caps(ci, CHECK_CAPS_AUTHONLY, NULL); - if (wake) - wake_up_all(&ci->i_cap_wq); + + wake_up_all(&ci->i_cap_wq); } |