Merge branch 'devel-stable' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git...

[pandora-kernel.git] / fs / btrfs / free-space-cache.c

diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index 6377713..41ac927 100644 (file)
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -190,9 +190,11 @@ int btrfs_truncate_free_space_cache(struct btrfs_root *root,
                                    struct btrfs_path *path,
                                    struct inode *inode)
 {
+       struct btrfs_block_rsv *rsv;
        loff_t oldsize;
        int ret = 0;
 
+       rsv = trans->block_rsv;
        trans->block_rsv = root->orphan_block_rsv;
        ret = btrfs_block_rsv_check(trans, root,
                                    root->orphan_block_rsv,
@@ -210,6 +212,8 @@ int btrfs_truncate_free_space_cache(struct btrfs_root *root,
         */
        ret = btrfs_truncate_inode_items(trans, root, inode,
                                         0, BTRFS_EXTENT_DATA_KEY);
+
+       trans->block_rsv = rsv;
        if (ret) {
                WARN_ON(1);
                return ret;
@@ -1168,9 +1172,9 @@ static void recalculate_thresholds(struct btrfs_free_space_ctl *ctl)
                div64_u64(extent_bytes, (sizeof(struct btrfs_free_space)));
 }
 
-static void bitmap_clear_bits(struct btrfs_free_space_ctl *ctl,
-                             struct btrfs_free_space *info, u64 offset,
-                             u64 bytes)
+static inline void __bitmap_clear_bits(struct btrfs_free_space_ctl *ctl,
+                                      struct btrfs_free_space *info,
+                                      u64 offset, u64 bytes)
 {
        unsigned long start, count;
 
@@ -1181,6 +1185,13 @@ static void bitmap_clear_bits(struct btrfs_free_space_ctl *ctl,
        bitmap_clear(info->bitmap, start, count);
 
        info->bytes -= bytes;
+}
+
+static void bitmap_clear_bits(struct btrfs_free_space_ctl *ctl,
+                             struct btrfs_free_space *info, u64 offset,
+                             u64 bytes)
+{
+       __bitmap_clear_bits(ctl, info, offset, bytes);
        ctl->free_space -= bytes;
 }
 
@@ -1984,7 +1995,7 @@ static u64 btrfs_alloc_from_bitmap(struct btrfs_block_group_cache *block_group,
                return 0;
 
        ret = search_start;
-       bitmap_clear_bits(ctl, entry, ret, bytes);
+       __bitmap_clear_bits(ctl, entry, ret, bytes);
 
        return ret;
 }
@@ -2039,7 +2050,6 @@ u64 btrfs_alloc_from_cluster(struct btrfs_block_group_cache *block_group,
                                continue;
                        }
                } else {
-
                        ret = entry->offset;
 
                        entry->offset += bytes;