diff options
| author |   Jeff Layton <jlayton@primarydata.com> | 2015-01-16 15:05:55 -0500 |
|---|---|---|
| committer |   Jeff Layton <jeff.layton@primarydata.com> | 2015-01-16 15:09:25 -0500 |
| commit | c362781cadd37858c3d8f5d18b1e9957d4671298 (patch) | |
| tree | ad072eccf039314a24ad9314e7e249722d44ddb8 /fs/ceph/locks.c | |
| parent | locks: add a new struct file_locking_context pointer to struct inode (diff) | |
| download | linux-dev-c362781cadd37858c3d8f5d18b1e9957d4671298.tar.xz linux-dev-c362781cadd37858c3d8f5d18b1e9957d4671298.zip | |
ceph: move spinlocking into ceph_encode_locks_to_buffer and ceph_count_locks
There is only a single call site for each of these functions, and the
caller takes the i_lock prior to calling them and drops it just
afterward. Move the spinlocking into the functions instead.
Signed-off-by: Jeff Layton <jlayton@primarydata.com>
Acked-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'fs/ceph/locks.c')
| -rw-r--r-- | fs/ceph/locks.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/ceph/locks.c b/fs/ceph/locks.c index c35c5c614e38..366dc2412605 100644 --- a/fs/ceph/locks.c +++ b/fs/ceph/locks.c @@ -251,12 +251,14 @@ void ceph_count_locks(struct inode *inode, int *fcntl_count, int *flock_count) *fcntl_count = 0; *flock_count = 0; + spin_lock(&inode->i_lock); for (lock = inode->i_flock; lock != NULL; lock = lock->fl_next) { if (lock->fl_flags & FL_POSIX) ++(*fcntl_count); else if (lock->fl_flags & FL_FLOCK) ++(*flock_count); } + spin_unlock(&inode->i_lock); dout("counted %d flock locks and %d fcntl locks", *flock_count, *fcntl_count); } @@ -279,6 +281,7 @@ int ceph_encode_locks_to_buffer(struct inode *inode, dout("encoding %d flock and %d fcntl locks", num_flock_locks, num_fcntl_locks); + spin_lock(&inode->i_lock); for (lock = inode->i_flock; lock != NULL; lock = lock->fl_next) { if (lock->fl_flags & FL_POSIX) { ++seen_fcntl; @@ -306,6 +309,7 @@ int ceph_encode_locks_to_buffer(struct inode *inode, } } fail: + spin_unlock(&inode->i_lock); return err; } |