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Btrfs: Add writepages support

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Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason
2007-11-01 19:45:34 -04:00
parent 944746ec75
commit b293f02e14
3 changed files with 124 additions and 25 deletions
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10
fs/btrfs/inode.c
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@@ -1747,6 +1747,15 @@ 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)
{
struct extent_map_tree *tree;
tree = &BTRFS_I(mapping->host)->extent_tree;
return extent_writepages(tree, mapping, btrfs_get_extent, wbc);
}
static int btrfs_releasepage(struct page *page, gfp_t unused_gfp_flags)
{
struct extent_map_tree *tree;
@@ -2526,6 +2535,7 @@ static struct extent_map_ops btrfs_extent_map_ops = {
static struct address_space_operations btrfs_aops = {
.readpage = btrfs_readpage,
.writepage = btrfs_writepage,
.writepages = btrfs_writepages,
.sync_page = block_sync_page,
.prepare_write = btrfs_prepare_write,
.commit_write = btrfs_commit_write,