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| author | Jan Kara <jack@suse.cz> | 2014-10-30 10:35:00 +1100 |
|---|---|---|
| committer | Dave Chinner <david@fromorbit.com> | 2014-10-30 10:35:00 +1100 |
| commit | f55fefd1a5a339b1bd08c120b93312d6eb64a9fb (patch) | |
| tree | c4e40563082778ec7d4c33a2755c3b026f8ecc9b | |
| parent | 7a19dee116c8fae7ba7a778043c245194289f5a2 (diff) | |
| download | op-kernel-dev-f55fefd1a5a339b1bd08c120b93312d6eb64a9fb.zip op-kernel-dev-f55fefd1a5a339b1bd08c120b93312d6eb64a9fb.tar.gz | |
mm: Remove false WARN_ON from pagecache_isize_extended()
The WARN_ON checking whether i_mutex is held in
pagecache_isize_extended() was wrong because some filesystems (e.g.
XFS) use different locks for serialization of truncates / writes. So
just remove the check.
Signed-off-by: Jan Kara <jack@suse.cz>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
| -rw-r--r-- | mm/truncate.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/mm/truncate.c b/mm/truncate.c index 261eaf6..c646084 100644 --- a/mm/truncate.c +++ b/mm/truncate.c @@ -755,7 +755,6 @@ void pagecache_isize_extended(struct inode *inode, loff_t from, loff_t to) struct page *page; pgoff_t index; - WARN_ON(!mutex_is_locked(&inode->i_mutex)); WARN_ON(to > inode->i_size); if (from >= to || bsize == PAGE_CACHE_SIZE) |
