Btrfs: add a delalloc mutex to inodes for delalloc reservations

Browse source

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>

...

This commit is contained in:

Josef Bacik 2012-01-13 12:09:22 -05:00 • committed by Chris Mason

parent 8c2a3ca20f

commit f248679e86

5 changed files with 7 additions and 16 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

3

fs/btrfs/btrfs_inode.h

View file

5

fs/btrfs/extent-tree.c

View file

11

fs/btrfs/inode.c

View file

2

fs/btrfs/ioctl.c

View file

2

fs/btrfs/relocation.c

View file