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| author | Chris Mason <chris.mason@oracle.com> | 2007-10-16 00:15:19 +0400 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2008-09-25 19:03:56 +0400 |
| commit | 96b5179d0d9b6368c203856f2ad6e8e12a8b2a2c (patch) | |
| tree | 58b22f106bb06902c280c66af661d9e9d6a65597 /fs/btrfs/extent_map.c | |
| parent | f510cfecfc98759d75283823cfccf0cc0d59a4c6 (diff) | |
| download | linux-96b5179d0d9b6368c203856f2ad6e8e12a8b2a2c.tar.xz | |
Btrfs: Stop using radix trees for the block group cache
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 | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/fs/btrfs/extent_map.c b/fs/btrfs/extent_map.c index 5b7dbcaacd11..1b2f9e059de6 100644 --- a/fs/btrfs/extent_map.c +++ b/fs/btrfs/extent_map.c @@ -574,7 +574,7 @@ out: return set; search_again: - if (start >= end) + if (start > end) goto out; write_unlock_irqrestore(&tree->lock, flags); if (mask & __GFP_WAIT) @@ -819,6 +819,21 @@ int set_extent_dirty(struct extent_map_tree *tree, u64 start, u64 end, } EXPORT_SYMBOL(set_extent_dirty); +int set_extent_bits(struct extent_map_tree *tree, u64 start, u64 end, + int bits, gfp_t mask) +{ + return set_extent_bit(tree, start, end, bits, 0, NULL, + mask); +} +EXPORT_SYMBOL(set_extent_bits); + +int clear_extent_bits(struct extent_map_tree *tree, u64 start, u64 end, + int bits, gfp_t mask) +{ + return clear_extent_bit(tree, start, end, bits, 0, 0, mask); +} +EXPORT_SYMBOL(clear_extent_bits); + int set_extent_delalloc(struct extent_map_tree *tree, u64 start, u64 end, gfp_t mask) { @@ -1138,7 +1153,6 @@ int set_state_private(struct extent_map_tree *tree, u64 start, u64 private) out: write_unlock_irq(&tree->lock); return ret; - } int get_state_private(struct extent_map_tree *tree, u64 start, u64 *private) |