diff options
| author | John W. Linville <linville@tuxdriver.com> | 2012-02-15 16:24:37 -0500 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-02-15 16:24:37 -0500 |
| commit | ca994a36f585432458ead9133fcfe05440edbb7b (patch) | |
| tree | be05512153a9cd5cbe1f1234bc09fd9cd388ec58 /fs/btrfs/extent_io.h | |
| parent | 12325280dfeba18164f9c47e226a40ab34e23ee7 (diff) | |
| parent | 2504a6423b9ab4c36df78227055995644de19edb (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
Conflicts:
net/mac80211/debugfs_sta.c
net/mac80211/sta_info.h
Diffstat (limited to 'fs/btrfs/extent_io.h')
| -rw-r--r-- | fs/btrfs/extent_io.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h index 7604c3001322..bc6a042cb6fc 100644 --- a/fs/btrfs/extent_io.h +++ b/fs/btrfs/extent_io.h @@ -129,6 +129,7 @@ struct extent_buffer { struct list_head leak_list; struct rcu_head rcu_head; atomic_t refs; + pid_t lock_owner; /* count of read lock holders on the extent buffer */ atomic_t write_locks; @@ -137,6 +138,7 @@ struct extent_buffer { atomic_t blocking_readers; atomic_t spinning_readers; atomic_t spinning_writers; + int lock_nested; /* protects write locks */ rwlock_t lock; |