When a file is deleted, tell the block device that we don't care about its blocks any more. Signed-off-by: David Woodhouse <David.Woodhouse@xxxxxxxxx> --- For linux-next, where sb_issue_discard() has been implemented. http://git.kernel.dk/?p=linux-2.6-block.git;a=shortlog;h=refs/heads/for-next fs/ext2/balloc.c | 9 ++++++--- 1 files changed, 6 insertions(+), 3 deletions(-) diff --git a/fs/ext2/balloc.c b/fs/ext2/balloc.c index 10bb02c..03fc2dc 100644 --- a/fs/ext2/balloc.c +++ b/fs/ext2/balloc.c @@ -16,6 +16,7 @@ #include <linux/sched.h> #include <linux/buffer_head.h> #include <linux/capability.h> +#include <linux/blkdev.h> /* * balloc.c contains the blocks allocation and deallocation routines @@ -478,13 +479,13 @@ void ext2_discard_reservation(struct inode *inode) } /** - * ext2_free_blocks_sb() -- Free given blocks and update quota and i_blocks + * ext2_free_blocks() -- Free given blocks and update quota and i_blocks * @inode: inode * @block: start physcial block to free * @count: number of blocks to free */ -void ext2_free_blocks (struct inode * inode, unsigned long block, - unsigned long count) +void ext2_free_blocks(struct inode * inode, unsigned long block, + unsigned long count) { struct buffer_head *bitmap_bh = NULL; struct buffer_head * bh2; @@ -555,6 +556,8 @@ do_more: } } + sb_issue_discard(sb, block, count); + mark_buffer_dirty(bitmap_bh); if (sb->s_flags & MS_SYNCHRONOUS) sync_dirty_buffer(bitmap_bh); -- 1.5.5.1 -- David Woodhouse Open Source Technology Centre David.Woodhouse@xxxxxxxxx Intel Corporation -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
