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| author | Kalle Valo <kvalo@qca.qualcomm.com> | 2012-03-05 19:32:58 +0200 |
|---|---|---|
| committer | Kalle Valo <kvalo@qca.qualcomm.com> | 2012-03-05 19:32:58 +0200 |
| commit | 05e5bd0f3daddb0368a433af5b58be68c62dc365 (patch) | |
| tree | a54c90523b72fb6e61b7bfe01fb8917e16825781 /fs/btrfs/extent_io.h | |
| parent | daa16bc52ad8e9513506fca29a038a1460e63638 (diff) | |
| parent | c288ec614e264b46853c65d3db9ccf91d53c9484 (diff) | |
Merge remote branch 'wireless-next/master' into ath6kl-next
Conflicts:
drivers/net/wireless/ath/ath6kl/cfg80211.c
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; |