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authorJaegeuk Kim <jaegeuk.kim@samsung.com>2013-01-17 06:30:23 -0500
committerJaegeuk Kim <jaegeuk.kim@samsung.com>2013-01-21 20:48:58 -0500
commitc01e54b770e69c65525295eb2668be3dc0822406 (patch)
treea654dbd90478aa41c26a841f80d0e58754c43c35 /fs/f2fs
parent692bb55d1ab5b278181ff2e65f09eb0be6d50669 (diff)
f2fs: support swapfile
This patch adds f2fs_bmap operation to the data address space. This enables f2fs to support swapfile. Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Diffstat (limited to 'fs/f2fs')
-rw-r--r--fs/f2fs/data.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index b1347fc6d688..7bd22a201125 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -698,6 +698,11 @@ static int f2fs_set_data_page_dirty(struct page *page)
698 return 0; 698 return 0;
699} 699}
700 700
701static sector_t f2fs_bmap(struct address_space *mapping, sector_t block)
702{
703 return generic_block_bmap(mapping, block, get_data_block_ro);
704}
705
701const struct address_space_operations f2fs_dblock_aops = { 706const struct address_space_operations f2fs_dblock_aops = {
702 .readpage = f2fs_read_data_page, 707 .readpage = f2fs_read_data_page,
703 .readpages = f2fs_read_data_pages, 708 .readpages = f2fs_read_data_pages,
@@ -709,4 +714,5 @@ const struct address_space_operations f2fs_dblock_aops = {
709 .invalidatepage = f2fs_invalidate_data_page, 714 .invalidatepage = f2fs_invalidate_data_page,
710 .releasepage = f2fs_release_data_page, 715 .releasepage = f2fs_release_data_page,
711 .direct_IO = f2fs_direct_IO, 716 .direct_IO = f2fs_direct_IO,
717 .bmap = f2fs_bmap,
712}; 718};