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| author |   Al Viro <viro@zeniv.linux.org.uk> | 2016-04-15 15:08:36 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2016-05-02 19:49:28 -0400 |
| commit | 9902af79c01a8e39bb99b922fa3eef6d4ea23d69 (patch) | |
| tree | b04cc75b5e4a028bfdb619e0a0a0f8cd71113ff2 /fs/overlayfs | |
| parent | parallel lookups machinery, part 4 (and last) (diff) | |
| download | linux-dev-9902af79c01a8e39bb99b922fa3eef6d4ea23d69.tar.xz linux-dev-9902af79c01a8e39bb99b922fa3eef6d4ea23d69.zip | |
parallel lookups: actual switch to rwsem
ta-da!
The main issue is the lack of down_write_killable(), so the places
like readdir.c switched to plain inode_lock(); once killable
variants of rwsem primitives appear, that'll be dealt with.
lockdep side also might need more work
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/overlayfs')
| -rw-r--r-- | fs/overlayfs/readdir.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/overlayfs/readdir.c b/fs/overlayfs/readdir.c index 6ec1e43a9a54..da186ee4f846 100644 --- a/fs/overlayfs/readdir.c +++ b/fs/overlayfs/readdir.c @@ -218,7 +218,9 @@ static int ovl_check_whiteouts(struct dentry *dir, struct ovl_readdir_data *rdd) cap_raise(override_cred->cap_effective, CAP_DAC_OVERRIDE); old_cred = override_creds(override_cred); - err = mutex_lock_killable(&dir->d_inode->i_mutex); + inode_lock(dir->d_inode); + err = 0; + // XXX: err = mutex_lock_killable(&dir->d_inode->i_mutex); if (!err) { while (rdd->first_maybe_whiteout) { p = rdd->first_maybe_whiteout; |