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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client

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Pull Ceph updates from Sage Weil:
 "There is some follow-on RBD cleanup after the last window's code drop,
  a series from Yan fixing multi-mds behavior in cephfs, and then a
  sprinkling of bug fixes all around.  Some warnings, sleeping while
  atomic, a null dereference, and cleanups"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: (36 commits)
  libceph: fix invalid unsigned->signed conversion for timespec encoding
  libceph: call r_unsafe_callback when unsafe reply is received
  ceph: fix race between cap issue and revoke
  ceph: fix cap revoke race
  ceph: fix pending vmtruncate race
  ceph: avoid accessing invalid memory
  libceph: Fix NULL pointer dereference in auth client code
  ceph: Reconstruct the func ceph_reserve_caps.
  ceph: Free mdsc if alloc mdsc->mdsmap failed.
  ceph: remove sb_start/end_write in ceph_aio_write.
  ceph: avoid meaningless calling ceph_caps_revoking if sync_mode == WB_SYNC_ALL.
  ceph: fix sleeping function called from invalid context.
  ceph: move inode to proper flushing list when auth MDS changes
  rbd: fix a couple warnings
  ceph: clear migrate seq when MDS restarts
  ceph: check migrate seq before changing auth cap
  ceph: fix race between page writeback and truncate
  ceph: reset iov_len when discarding cap release messages
  ceph: fix cap release race
  libceph: fix truncate size calculation
  ...
This commit is contained in:
Linus Torvalds
2013-07-09 12:39:10 -07:00
parent e3a0dd98e1 8b8cf8917f
commit 9a5889ae1c
15 changed files with 279 additions and 247 deletions
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14
fs/ceph/inode.c
View File

@@ -1465,7 +1465,9 @@ static void ceph_vmtruncate_work(struct work_struct *work)
struct inode *inode = &ci->vfs_inode;
dout("vmtruncate_work %p\n", inode);
__ceph_do_pending_vmtruncate(inode, true);
mutex_lock(&inode->i_mutex);
__ceph_do_pending_vmtruncate(inode);
mutex_unlock(&inode->i_mutex);
iput(inode);
}
@@ -1492,7 +1494,7 @@ void ceph_queue_vmtruncate(struct inode *inode)
* Make sure any pending truncation is applied before doing anything
* that may depend on it.
*/
void __ceph_do_pending_vmtruncate(struct inode *inode, bool needlock)
void __ceph_do_pending_vmtruncate(struct inode *inode)
{
struct ceph_inode_info *ci = ceph_inode(inode);
u64 to;
@@ -1525,11 +1527,7 @@ retry:
ci->i_truncate_pending, to);
spin_unlock(&ci->i_ceph_lock);
if (needlock)
mutex_lock(&inode->i_mutex);
truncate_inode_pages(inode->i_mapping, to);
if (needlock)
mutex_unlock(&inode->i_mutex);
spin_lock(&ci->i_ceph_lock);
if (to == ci->i_truncate_size) {
@@ -1588,7 +1586,7 @@ int ceph_setattr(struct dentry *dentry, struct iattr *attr)
if (ceph_snap(inode) != CEPH_NOSNAP)
return -EROFS;
__ceph_do_pending_vmtruncate(inode, false);
__ceph_do_pending_vmtruncate(inode);
err = inode_change_ok(inode, attr);
if (err != 0)
@@ -1770,7 +1768,7 @@ int ceph_setattr(struct dentry *dentry, struct iattr *attr)
ceph_cap_string(dirtied), mask);
ceph_mdsc_put_request(req);
__ceph_do_pending_vmtruncate(inode, false);
__ceph_do_pending_vmtruncate(inode);
return err;
out:
spin_unlock(&ci->i_ceph_lock);