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| author | Chris Mason | 2007-09-11 01:58:16 +0200 |
|---|---|---|
| committer | David Woodhouse | 2007-09-11 01:58:16 +0200 |
| commit | 86479a04eef8f304a13aeb8b64bcc8e506a68268 (patch) | |
| tree | cda7e66d469bcdc2f41144ea91405aeb96d1f777 /fs/btrfs/extent_map.c | |
| parent | Btrfs: remove extra drop_extent_cache call (diff) | |
| download | kernel-qcow2-linux-86479a04eef8f304a13aeb8b64bcc8e506a68268.tar.gz kernel-qcow2-linux-86479a04eef8f304a13aeb8b64bcc8e506a68268.tar.xz kernel-qcow2-linux-86479a04eef8f304a13aeb8b64bcc8e506a68268.zip | |
Add support for defragging files via btrfsctl -d. Avoid OOM on extent tree
defrag.
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/extent_map.c')
| -rw-r--r-- | fs/btrfs/extent_map.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/fs/btrfs/extent_map.c b/fs/btrfs/extent_map.c index 8ad6f8efc5a0..33f7a18dddf7 100644 --- a/fs/btrfs/extent_map.c +++ b/fs/btrfs/extent_map.c @@ -10,6 +10,12 @@ #include <linux/blkdev.h> #include "extent_map.h" +/* temporary define until extent_map moves out of btrfs */ +struct kmem_cache *btrfs_cache_create(const char *name, size_t size, + unsigned long extra_flags, + void (*ctor)(void *, struct kmem_cache *, + unsigned long)); + static struct kmem_cache *extent_map_cache; static struct kmem_cache *extent_state_cache; @@ -32,14 +38,12 @@ struct tree_entry { void __init extent_map_init(void) { - extent_map_cache = kmem_cache_create("extent_map", - sizeof(struct extent_map), 0, - SLAB_RECLAIM_ACCOUNT | + extent_map_cache = btrfs_cache_create("extent_map", + sizeof(struct extent_map), SLAB_DESTROY_BY_RCU, NULL); - extent_state_cache = kmem_cache_create("extent_state", - sizeof(struct extent_state), 0, - SLAB_RECLAIM_ACCOUNT | + extent_state_cache = btrfs_cache_create("extent_state", + sizeof(struct extent_state), SLAB_DESTROY_BY_RCU, NULL); } |