diff options
| author | David S. Miller <davem@davemloft.net> | 2016-10-02 21:17:07 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-10-02 22:20:41 -0400 |
| commit | b50afd203a5ef1998c18d6519ad2b2c546d6af22 (patch) | |
| tree | 608e6845e78a4ffe623c7cdf6581e29e2d9be0a9 /fs/ocfs2/aops.c | |
| parent | d6169b0206db1c8c8d0e4c6b79fdf4b2fc6455f1 (diff) | |
| parent | c8d2bc9bc39ebea8437fd974fdbc21847bb897a3 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Three sets of overlapping changes. Nothing serious.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'fs/ocfs2/aops.c')
| -rw-r--r-- | fs/ocfs2/aops.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index 98d36548153d..bbb4b3e5b4ff 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -1842,6 +1842,16 @@ out_commit: ocfs2_commit_trans(osb, handle); out: + /* + * The mmapped page won't be unlocked in ocfs2_free_write_ctxt(), + * even in case of error here like ENOSPC and ENOMEM. So, we need + * to unlock the target page manually to prevent deadlocks when + * retrying again on ENOSPC, or when returning non-VM_FAULT_LOCKED + * to VM code. + */ + if (wc->w_target_locked) + unlock_page(mmap_page); + ocfs2_free_write_ctxt(inode, wc); if (data_ac) { |