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| author | Al Viro <viro@zeniv.linux.org.uk> | 2016-04-15 21:08:36 +0200 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2016-05-03 01:49:28 +0200 |
| commit | 9902af79c01a8e39bb99b922fa3eef6d4ea23d69 (patch) | |
| tree | b04cc75b5e4a028bfdb619e0a0a0f8cd71113ff2 /fs/namei.c | |
| parent | parallel lookups machinery, part 4 (and last) (diff) | |
| download | linux-9902af79c01a8e39bb99b922fa3eef6d4ea23d69.tar.xz linux-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/namei.c')
| -rw-r--r-- | fs/namei.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/namei.c b/fs/namei.c index 7babb5e5f276..8249852b5fc6 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -1607,7 +1607,7 @@ static struct dentry *lookup_slow(const struct qstr *name, struct inode *inode = dir->d_inode; DECLARE_WAIT_QUEUE_HEAD_ONSTACK(wq); - inode_lock(inode); + inode_lock_shared(inode); /* Don't go there if it's already dead */ if (unlikely(IS_DEADDIR(inode))) goto out; @@ -1638,7 +1638,7 @@ again: } } out: - inode_unlock(inode); + inode_unlock_shared(inode); return dentry; } |