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| author | Paul Mundt <lethal@linux-sh.org> | 2009-09-25 12:15:15 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2009-09-25 12:15:15 +0900 |
| commit | c373ba999103fa794f041eab5bd490714d2dee88 (patch) | |
| tree | 8f2b445b1e0af2491c83527967dbcda76054a486 /fs/btrfs/compression.c | |
| parent | 6f3529f00a0a9ac06413d18d3926adf099cb59af (diff) | |
| parent | 851b147e4411df6a1e7e90e2a609773c277eefd2 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'fs/btrfs/compression.c')
| -rw-r--r-- | fs/btrfs/compression.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c index 9d8ba4d54a37..a11a32058b50 100644 --- a/fs/btrfs/compression.c +++ b/fs/btrfs/compression.c @@ -506,10 +506,10 @@ static noinline int add_ra_bio_pages(struct inode *inode, */ set_page_extent_mapped(page); lock_extent(tree, last_offset, end, GFP_NOFS); - spin_lock(&em_tree->lock); + read_lock(&em_tree->lock); em = lookup_extent_mapping(em_tree, last_offset, PAGE_CACHE_SIZE); - spin_unlock(&em_tree->lock); + read_unlock(&em_tree->lock); if (!em || last_offset < em->start || (last_offset + PAGE_CACHE_SIZE > extent_map_end(em)) || @@ -593,11 +593,11 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio, em_tree = &BTRFS_I(inode)->extent_tree; /* we need the actual starting offset of this extent in the file */ - spin_lock(&em_tree->lock); + read_lock(&em_tree->lock); em = lookup_extent_mapping(em_tree, page_offset(bio->bi_io_vec->bv_page), PAGE_CACHE_SIZE); - spin_unlock(&em_tree->lock); + read_unlock(&em_tree->lock); compressed_len = em->block_len; cb = kmalloc(compressed_bio_size(root, compressed_len), GFP_NOFS); |