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| author | Takashi Iwai <tiwai@suse.de> | 2009-11-01 11:11:07 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2009-11-01 11:11:07 +0100 |
| commit | e87a3dd33eab30b4db539500064a9584867e4f2c (patch) | |
| tree | 2f7ad16e46ae30518ff63bb5391b63f7f7cc74dd /fs/btrfs/compression.c | |
| parent | b14f5de731ae657d498d18d713c6431bfbeefb4b (diff) | |
| parent | 3d00941371a765779c4e3509214c7e5793cce1fe (diff) | |
| download | kernel-crypto-e87a3dd33eab30b4db539500064a9584867e4f2c.tar.gz kernel-crypto-e87a3dd33eab30b4db539500064a9584867e4f2c.tar.xz kernel-crypto-e87a3dd33eab30b4db539500064a9584867e4f2c.zip | |
Merge branch 'fix/misc' into topic/misc
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 9d8ba4d54a3..a11a32058b5 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); |