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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>
This commit is contained in:
Jaegeuk Kim 2013-01-17 20:30:23 +09:00
parent 692bb55d1a
commit c01e54b770
1 changed files with 6 additions and 0 deletions
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6
fs/f2fs/data.c
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@ -698,6 +698,11 @@ static int f2fs_set_data_page_dirty(struct page *page)
return 0; 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 = { const struct address_space_operations f2fs_dblock_aops = {
.readpage = f2fs_read_data_page, .readpage = f2fs_read_data_page,
.readpages = f2fs_read_data_pages, .readpages = f2fs_read_data_pages,
@ -709,4 +714,5 @@ const struct address_space_operations f2fs_dblock_aops = {
.invalidatepage = f2fs_invalidate_data_page, .invalidatepage = f2fs_invalidate_data_page,
.releasepage = f2fs_release_data_page, .releasepage = f2fs_release_data_page,
.direct_IO = f2fs_direct_IO, .direct_IO = f2fs_direct_IO,
.bmap = f2fs_bmap,
}; };