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| author | Yan, Zheng <zheng.z.yan@intel.com> | 2014-04-11 10:18:07 +0800 |
|---|---|---|
| committer | Yan, Zheng <zheng.z.yan@intel.com> | 2014-06-06 09:29:51 +0800 |
| commit | c6bcda6f525129b1df169f77d96a4b0972e1ecb1 (patch) | |
| tree | e9c18bf0c22da7e223bf825d91534c004b84d480 | |
| parent | 979d4c1895474aafa473f441846dd3b6f7276202 (diff) | |
| download | linux-c6bcda6f525129b1df169f77d96a4b0972e1ecb1.tar.gz linux-c6bcda6f525129b1df169f77d96a4b0972e1ecb1.tar.bz2 linux-c6bcda6f525129b1df169f77d96a4b0972e1ecb1.zip | |
ceph: queue vmtruncate if necessary when handing cap grant/revoke
cap grant/revoke message from non-auth MDS can update inode's size
and truncate_seq/truncate_size. (the message arrives before auth
MDS's cap trunc message)
Signed-off-by: Yan, Zheng <zheng.z.yan@intel.com>
| -rw-r--r-- | fs/ceph/caps.c | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c index c561b628ebce..de39a03f5b71 100644 --- a/fs/ceph/caps.c +++ b/fs/ceph/caps.c @@ -2418,11 +2418,12 @@ static void handle_cap_grant(struct inode *inode, struct ceph_mds_caps *grant, u64 max_size = le64_to_cpu(grant->max_size); struct timespec mtime, atime, ctime; int check_caps = 0; - int wake = 0; - int writeback = 0; - int queue_invalidate = 0; - int deleted_inode = 0; - int queue_revalidate = 0; + bool wake = 0; + bool writeback = 0; + bool queue_trunc = 0; + bool queue_invalidate = 0; + bool queue_revalidate = 0; + bool deleted_inode = 0; dout("handle_cap_grant inode %p cap %p mds%d seq %d %s\n", inode, cap, mds, seq, ceph_cap_string(newcaps)); @@ -2512,9 +2513,10 @@ static void handle_cap_grant(struct inode *inode, struct ceph_mds_caps *grant, queue_revalidate = 1; /* size/ctime/mtime/atime? */ - ceph_fill_file_size(inode, issued, - le32_to_cpu(grant->truncate_seq), - le64_to_cpu(grant->truncate_size), size); + queue_trunc = ceph_fill_file_size(inode, issued, + le32_to_cpu(grant->truncate_seq), + le64_to_cpu(grant->truncate_size), + size); ceph_decode_timespec(&mtime, &grant->mtime); ceph_decode_timespec(&atime, &grant->atime); ceph_decode_timespec(&ctime, &grant->ctime); @@ -2595,6 +2597,12 @@ static void handle_cap_grant(struct inode *inode, struct ceph_mds_caps *grant, spin_unlock(&ci->i_ceph_lock); + if (queue_trunc) { + ceph_queue_vmtruncate(inode); + ceph_queue_revalidate(inode); + } else if (queue_revalidate) + ceph_queue_revalidate(inode); + if (writeback) /* * queue inode for writeback: we can't actually call @@ -2606,8 +2614,6 @@ static void handle_cap_grant(struct inode *inode, struct ceph_mds_caps *grant, ceph_queue_invalidate(inode); if (deleted_inode) invalidate_aliases(inode); - if (queue_revalidate) - ceph_queue_revalidate(inode); if (wake) wake_up_all(&ci->i_cap_wq); |