tree 88abeee0b2a87c0f0377509525c92d3c9ec15a15
parent 8c2a3ca20f6233677ac3222c6506174010eb414f
author Josef Bacik <josef@redhat.com> 1326474562 -0500
committer Chris Mason <chris.mason@oracle.com> 1326745783 -0500

Btrfs: add a delalloc mutex to inodes for delalloc reservations

I was using i_mutex for this, but we're getting bogus lockdep warnings by doing
that and theres no real way to get rid of those, so just stop using i_mutex to
protect delalloc metadata reservations and use a delalloc mutex instead.  This
shouldn't be contended often at all, only if you are writing and mmap writing to
the file at the same time.  Thanks,

Signed-off-by: Josef Bacik <josef@redhat.com>