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authorJeff Layton <jlayton@primarydata.com>2015-01-16 15:05:55 -0500
committerJeff Layton <jeff.layton@primarydata.com>2015-01-16 16:08:16 -0500
commitbd61e0a9c852de2d705b6f1bb2cc54c5774db570 (patch)
tree67a583912923f2ae621bddf94fbba8816cb0e49d /fs/ceph/locks.c
parent5263e31e452fb84138b9bee061d5c06c0f359fea (diff)
downloadlinux-bd61e0a9c852de2d705b6f1bb2cc54c5774db570.tar.bz2
locks: convert posix locks to file_lock_context
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.c58
1 files changed, 26 insertions, 32 deletions
diff --git a/fs/ceph/locks.c b/fs/ceph/locks.c
index 917656ea8dcf..19beeed83233 100644
--- a/fs/ceph/locks.c
+++ b/fs/ceph/locks.c
@@ -253,18 +253,15 @@ 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);
- }
-
ctx = inode->i_flctx;
if (ctx) {
+ spin_lock(&inode->i_lock);
+ list_for_each_entry(lock, &ctx->flc_posix, fl_list)
+ ++(*fcntl_count);
list_for_each_entry(lock, &ctx->flc_flock, fl_list)
++(*flock_count);
+ spin_unlock(&inode->i_lock);
}
- spin_unlock(&inode->i_lock);
dout("counted %d flock locks and %d fcntl locks",
*flock_count, *fcntl_count);
}
@@ -279,7 +276,7 @@ int ceph_encode_locks_to_buffer(struct inode *inode,
int num_fcntl_locks, int num_flock_locks)
{
struct file_lock *lock;
- struct file_lock_context *ctx;
+ struct file_lock_context *ctx = inode->i_flctx;
int err = 0;
int seen_fcntl = 0;
int seen_flock = 0;
@@ -288,34 +285,31 @@ int ceph_encode_locks_to_buffer(struct inode *inode,
dout("encoding %d flock and %d fcntl locks", num_flock_locks,
num_fcntl_locks);
+ if (!ctx)
+ return 0;
+
spin_lock(&inode->i_lock);
- for (lock = inode->i_flock; lock != NULL; lock = lock->fl_next) {
- if (lock->fl_flags & FL_POSIX) {
- ++seen_fcntl;
- if (seen_fcntl > num_fcntl_locks) {
- err = -ENOSPC;
- goto fail;
- }
- err = lock_to_ceph_filelock(lock, &flocks[l]);
- if (err)
- goto fail;
- ++l;
+ list_for_each_entry(lock, &ctx->flc_flock, fl_list) {
+ ++seen_fcntl;
+ if (seen_fcntl > num_fcntl_locks) {
+ err = -ENOSPC;
+ goto fail;
}
+ err = lock_to_ceph_filelock(lock, &flocks[l]);
+ if (err)
+ goto fail;
+ ++l;
}
-
- ctx = inode->i_flctx;
- if (ctx) {
- list_for_each_entry(lock, &ctx->flc_flock, fl_list) {
- ++seen_flock;
- if (seen_flock > num_flock_locks) {
- err = -ENOSPC;
- goto fail;
- }
- err = lock_to_ceph_filelock(lock, &flocks[l]);
- if (err)
- goto fail;
- ++l;
+ list_for_each_entry(lock, &ctx->flc_flock, fl_list) {
+ ++seen_flock;
+ if (seen_flock > num_flock_locks) {
+ err = -ENOSPC;
+ goto fail;
}
+ err = lock_to_ceph_filelock(lock, &flocks[l]);
+ if (err)
+ goto fail;
+ ++l;
}
fail:
spin_unlock(&inode->i_lock);