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| author | Chris Mason <chris.mason@oracle.com> | 2007-11-08 10:59:22 -0500 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2008-09-25 11:03:57 -0400 |
| commit | 3ab2fb5a8cb003897016b6eb38ddad916226c1b2 (patch) | |
| tree | dce5ac7ae586111c7e872193c09ced717b936549 /fs/btrfs/inode.c | |
| parent | 856bf3e592f917e7d663cb7fa93e83fe795e8f4e (diff) | |
| download | lwn-3ab2fb5a8cb003897016b6eb38ddad916226c1b2.tar.gz lwn-3ab2fb5a8cb003897016b6eb38ddad916226c1b2.zip | |
Btrfs: Add readpages support
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/inode.c')
| -rw-r--r-- | fs/btrfs/inode.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 90cb71d68294..d6d32465bc9a 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -1748,7 +1748,6 @@ static int btrfs_writepage(struct page *page, struct writeback_control *wbc) return extent_write_full_page(tree, page, btrfs_get_extent, wbc); } - static int btrfs_writepages(struct address_space *mapping, struct writeback_control *wbc) { @@ -1757,6 +1756,16 @@ static int btrfs_writepages(struct address_space *mapping, return extent_writepages(tree, mapping, btrfs_get_extent, wbc); } +static int +btrfs_readpages(struct file *file, struct address_space *mapping, + struct list_head *pages, unsigned nr_pages) +{ + struct extent_map_tree *tree; + tree = &BTRFS_I(mapping->host)->extent_tree; + return extent_readpages(tree, mapping, pages, nr_pages, + btrfs_get_extent); +} + static int btrfs_releasepage(struct page *page, gfp_t unused_gfp_flags) { struct extent_map_tree *tree; @@ -2537,6 +2546,7 @@ static struct address_space_operations btrfs_aops = { .readpage = btrfs_readpage, .writepage = btrfs_writepage, .writepages = btrfs_writepages, + .readpages = btrfs_readpages, .sync_page = block_sync_page, .prepare_write = btrfs_prepare_write, .commit_write = btrfs_commit_write, |