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Date: Fri, 21 Oct 2016 13:55:40 +0200 From: Jan Kara <jack@...e.cz> To: Jens Axboe <axboe@...nel.dk> Cc: linux-fsdevel@...r.kernel.org, linux-ext4@...r.kernel.org, Jan Kara <jack@...e.cz> Subject: [PATCH 3/4] ext4: Use unmap_underlying_metadata_ext() instead of iteration Use unmap_underlying_metadata_ext() instead of iterating through blocks one by one. Signed-off-by: Jan Kara <jack@...e.cz> --- fs/ext4/extents.c | 10 +--------- fs/ext4/inode.c | 13 ++++--------- 2 files changed, 5 insertions(+), 18 deletions(-) diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index c930a0110fb4..0cd47355d919 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -3777,14 +3777,6 @@ static int ext4_convert_unwritten_extents_endio(handle_t *handle, return err; } -static void unmap_underlying_metadata_blocks(struct block_device *bdev, - sector_t block, int count) -{ - int i; - for (i = 0; i < count; i++) - unmap_underlying_metadata(bdev, block + i); -} - /* * Handle EOFBLOCKS_FL flag, clearing it if necessary */ @@ -4121,7 +4113,7 @@ ext4_ext_handle_unwritten_extents(handle_t *handle, struct inode *inode, * new. */ if (allocated > map->m_len) { - unmap_underlying_metadata_blocks(inode->i_sb->s_bdev, + unmap_underlying_metadata_ext(inode->i_sb->s_bdev, newblock + map->m_len, allocated - map->m_len); allocated = map->m_len; diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 9c064727ed62..e2046742a564 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -654,12 +654,9 @@ int ext4_map_blocks(handle_t *handle, struct inode *inode, if (flags & EXT4_GET_BLOCKS_ZERO && map->m_flags & EXT4_MAP_MAPPED && map->m_flags & EXT4_MAP_NEW) { - ext4_lblk_t i; - - for (i = 0; i < map->m_len; i++) { - unmap_underlying_metadata(inode->i_sb->s_bdev, - map->m_pblk + i); - } + unmap_underlying_metadata_ext(inode->i_sb->s_bdev, + map->m_pblk, + map->m_len); ret = ext4_issue_zeroout(inode, map->m_lblk, map->m_pblk, map->m_len); if (ret) { @@ -2361,10 +2358,8 @@ static int mpage_map_one_extent(handle_t *handle, struct mpage_da_data *mpd) BUG_ON(map->m_len == 0); if (map->m_flags & EXT4_MAP_NEW) { struct block_device *bdev = inode->i_sb->s_bdev; - int i; - for (i = 0; i < map->m_len; i++) - unmap_underlying_metadata(bdev, map->m_pblk + i); + unmap_underlying_metadata_ext(bdev, map->m_pblk, map->m_len); } return 0; } -- 2.6.6 -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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