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authorTrond Myklebust <Trond.Myklebust@netapp.com>2012-07-16 12:01:42 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2012-07-16 12:01:42 -0400
commit8626e4a42675ff9903f7d4fbf14d8ebc11b5926c (patch)
treec631dfe2854cb1382a5d8f5aa11b071762ddf27d /fs/btrfs/extent-tree.c
parenta8d8f02cf0c379693762107afe812b9e52090e39 (diff)
parent9249e17fe094d853d1ef7475dd559a2cc7e23d42 (diff)
Merge commit '9249e17fe094d853d1ef7475dd559a2cc7e23d42' into nfs-for-3.6
Resolve conflicts with the VFS atomic open and sget changes. Conflicts: fs/nfs/nfs4proc.c
Diffstat (limited to 'fs/btrfs/extent-tree.c')
-rw-r--r--fs/btrfs/extent-tree.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 4b5a1e1bdefb..6e1d36702ff7 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -2347,12 +2347,10 @@ next:
2347 return count; 2347 return count;
2348} 2348}
2349 2349
2350
2351static void wait_for_more_refs(struct btrfs_delayed_ref_root *delayed_refs, 2350static void wait_for_more_refs(struct btrfs_delayed_ref_root *delayed_refs,
2352 unsigned long num_refs) 2351 unsigned long num_refs,
2352 struct list_head *first_seq)
2353{ 2353{
2354 struct list_head *first_seq = delayed_refs->seq_head.next;
2355
2356 spin_unlock(&delayed_refs->lock); 2354 spin_unlock(&delayed_refs->lock);
2357 pr_debug("waiting for more refs (num %ld, first %p)\n", 2355 pr_debug("waiting for more refs (num %ld, first %p)\n",
2358 num_refs, first_seq); 2356 num_refs, first_seq);
@@ -2381,6 +2379,7 @@ int btrfs_run_delayed_refs(struct btrfs_trans_handle *trans,
2381 struct btrfs_delayed_ref_root *delayed_refs; 2379 struct btrfs_delayed_ref_root *delayed_refs;
2382 struct btrfs_delayed_ref_node *ref; 2380 struct btrfs_delayed_ref_node *ref;
2383 struct list_head cluster; 2381 struct list_head cluster;
2382 struct list_head *first_seq = NULL;
2384 int ret; 2383 int ret;
2385 u64 delayed_start; 2384 u64 delayed_start;
2386 int run_all = count == (unsigned long)-1; 2385 int run_all = count == (unsigned long)-1;
@@ -2436,8 +2435,10 @@ again:
2436 */ 2435 */
2437 consider_waiting = 1; 2436 consider_waiting = 1;
2438 num_refs = delayed_refs->num_entries; 2437 num_refs = delayed_refs->num_entries;
2438 first_seq = root->fs_info->tree_mod_seq_list.next;
2439 } else { 2439 } else {
2440 wait_for_more_refs(delayed_refs, num_refs); 2440 wait_for_more_refs(delayed_refs,
2441 num_refs, first_seq);
2441 /* 2442 /*
2442 * after waiting, things have changed. we 2443 * after waiting, things have changed. we
2443 * dropped the lock and someone else might have 2444 * dropped the lock and someone else might have