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authorJaegeuk Kim <jaegeuk.kim@samsung.com>2013-01-17 20:30:23 +0900
committerJaegeuk Kim <jaegeuk.kim@samsung.com>2013-01-22 10:48:58 +0900
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)
return 0;
}
+static sector_t f2fs_bmap(struct address_space *mapping, sector_t block)
+{
+ return generic_block_bmap(mapping, block, get_data_block_ro);
+}
+
const struct address_space_operations f2fs_dblock_aops = {
.readpage = f2fs_read_data_page,
.readpages = f2fs_read_data_pages,
@@ -709,4 +714,5 @@ const struct address_space_operations f2fs_dblock_aops = {
.invalidatepage = f2fs_invalidate_data_page,
.releasepage = f2fs_release_data_page,
.direct_IO = f2fs_direct_IO,
+ .bmap = f2fs_bmap,
};