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| author | Yehuda Sadeh | 2009-12-16 23:51:06 +0100 |
|---|---|---|
| committer | Sage Weil | 2009-12-22 01:39:56 +0100 |
| commit | dbd646a851713bec5bfff40ecf624b2e78518fe5 (patch) | |
| tree | e5c4e141b7ec03ed5d2766a6909b1f48a5ec6519 /fs/ceph/addr.c | |
| parent | ceph: remove unaccessible code (diff) | |
| download | kernel-qcow2-linux-dbd646a851713bec5bfff40ecf624b2e78518fe5.tar.gz kernel-qcow2-linux-dbd646a851713bec5bfff40ecf624b2e78518fe5.tar.xz kernel-qcow2-linux-dbd646a851713bec5bfff40ecf624b2e78518fe5.zip | |
ceph: writepage grabs and releases inode
Fixes a deadlock that is triggered due to kswapd,
while the page was locked and the iput couldn't tear
down the address space.
Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net>
Diffstat (limited to 'fs/ceph/addr.c')
| -rw-r--r-- | fs/ceph/addr.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c index bf535815592d..d0cdceb0b90b 100644 --- a/fs/ceph/addr.c +++ b/fs/ceph/addr.c @@ -448,8 +448,13 @@ out: static int ceph_writepage(struct page *page, struct writeback_control *wbc) { - int err = writepage_nounlock(page, wbc); + int err; + struct inode *inode = page->mapping->host; + BUG_ON(!inode); + igrab(inode); + err = writepage_nounlock(page, wbc); unlock_page(page); + iput(inode); return err; } |