diff options
| author | Grant Likely <grant.likely@secretlab.ca> | 2011-06-15 14:57:39 -0600 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2011-06-15 14:57:39 -0600 |
| commit | 2bc7c85210d75b7a8a7326284b4f608a16f52ffc (patch) | |
| tree | ca306d89f64ceeee92531cc0a9ba5d246d09f044 /fs/btrfs/ctree.c | |
| parent | 12610be33df5563d3f8cb141f231d4dc5b2a317f (diff) | |
| parent | df2212270ce94f12e9caed6ca04c7077672d588e (diff) | |
Merge branch 'gpio/next-tegra' into gpio/next
Conflicts:
drivers/gpio/Kconfig
drivers/gpio/Makefile
Diffstat (limited to 'fs/btrfs/ctree.c')
| -rw-r--r-- | fs/btrfs/ctree.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c index d84089349c8..2e667868e0d 100644 --- a/fs/btrfs/ctree.c +++ b/fs/btrfs/ctree.c @@ -1228,6 +1228,7 @@ static void reada_for_search(struct btrfs_root *root, u32 nr; u32 blocksize; u32 nscan = 0; + bool map = true; if (level != 1) return; @@ -1249,8 +1250,11 @@ static void reada_for_search(struct btrfs_root *root, nritems = btrfs_header_nritems(node); nr = slot; + if (node->map_token || path->skip_locking) + map = false; + while (1) { - if (!node->map_token) { + if (map && !node->map_token) { unsigned long offset = btrfs_node_key_ptr_offset(nr); map_private_extent_buffer(node, offset, sizeof(struct btrfs_key_ptr), @@ -1277,7 +1281,7 @@ static void reada_for_search(struct btrfs_root *root, if ((search <= target && target - search <= 65536) || (search > target && search - target <= 65536)) { gen = btrfs_node_ptr_generation(node, nr); - if (node->map_token) { + if (map && node->map_token) { unmap_extent_buffer(node, node->map_token, KM_USER1); node->map_token = NULL; @@ -1289,7 +1293,7 @@ static void reada_for_search(struct btrfs_root *root, if ((nread > 65536 || nscan > 32)) break; } - if (node->map_token) { + if (map && node->map_token) { unmap_extent_buffer(node, node->map_token, KM_USER1); node->map_token = NULL; } |