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author | Al Viro <viro@zeniv.linux.org.uk> | 2016-04-15 15:08:36 -0400 |
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committer | Al Viro <viro@zeniv.linux.org.uk> | 2016-05-02 19:49:28 -0400 |
commit | 9902af79c01a8e39bb99b922fa3eef6d4ea23d69 (patch) | |
tree | b04cc75b5e4a028bfdb619e0a0a0f8cd71113ff2 /fs/readdir.c | |
parent | d9171b9345261e0d941d92fdda5672b5db67f968 (diff) | |
download | op-kernel-dev-9902af79c01a8e39bb99b922fa3eef6d4ea23d69.zip op-kernel-dev-9902af79c01a8e39bb99b922fa3eef6d4ea23d69.tar.gz |
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/readdir.c')
-rw-r--r-- | fs/readdir.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/fs/readdir.c b/fs/readdir.c index e69ef3b..bf583e8 100644 --- a/fs/readdir.c +++ b/fs/readdir.c @@ -32,9 +32,10 @@ int iterate_dir(struct file *file, struct dir_context *ctx) if (res) goto out; - res = mutex_lock_killable(&inode->i_mutex); - if (res) - goto out; + inode_lock(inode); + // res = mutex_lock_killable(&inode->i_mutex); + // if (res) + // goto out; res = -ENOENT; if (!IS_DEADDIR(inode)) { |