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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-07-20 23:21:28 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-07-20 23:21:28 +0300 |
| commit | ed15e8880fc3d8d52bc02a02521054bfcb26264a (patch) | |
| tree | 816a7f35028762976f5d4bc4df172e407c4bcbe2 /fs/btrfs/inode-map.c | |
| parent | b8d1f261fe7e4967593a5637d62991b6197a03f8 (diff) | |
| parent | 52721d9d3334c1cb1f76219a161084094ec634dc (diff) | |
| download | linux-ed15e8880fc3d8d52bc02a02521054bfcb26264a.tar.xz | |
Merge 4.2-rc3 into staging-next
We need the staging fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/btrfs/inode-map.c')
| -rw-r--r-- | fs/btrfs/inode-map.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/fs/btrfs/inode-map.c b/fs/btrfs/inode-map.c index f6a596d5a637..d4a582ac3f73 100644 --- a/fs/btrfs/inode-map.c +++ b/fs/btrfs/inode-map.c @@ -246,6 +246,7 @@ void btrfs_unpin_free_ino(struct btrfs_root *root) { struct btrfs_free_space_ctl *ctl = root->free_ino_ctl; struct rb_root *rbroot = &root->free_ino_pinned->free_space_offset; + spinlock_t *rbroot_lock = &root->free_ino_pinned->tree_lock; struct btrfs_free_space *info; struct rb_node *n; u64 count; @@ -254,24 +255,30 @@ void btrfs_unpin_free_ino(struct btrfs_root *root) return; while (1) { + bool add_to_ctl = true; + + spin_lock(rbroot_lock); n = rb_first(rbroot); - if (!n) + if (!n) { + spin_unlock(rbroot_lock); break; + } info = rb_entry(n, struct btrfs_free_space, offset_index); BUG_ON(info->bitmap); /* Logic error */ if (info->offset > root->ino_cache_progress) - goto free; + add_to_ctl = false; else if (info->offset + info->bytes > root->ino_cache_progress) count = root->ino_cache_progress - info->offset + 1; else count = info->bytes; - __btrfs_add_free_space(ctl, info->offset, count); -free: rb_erase(&info->offset_index, rbroot); - kfree(info); + spin_unlock(rbroot_lock); + if (add_to_ctl) + __btrfs_add_free_space(ctl, info->offset, count); + kmem_cache_free(btrfs_free_space_cachep, info); } } |