From: Filipe Manana Date: Wed, 10 Jun 2015 11:55:41 +0000 (+0100) Subject: Btrfs: fix a comment in inode.c:evict_inode_truncate_pages() X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=9c6429d96daec64f6b5b10a1c6b02c7264541ea1;p=openwrt%2Fstaging%2Fblogic.git Btrfs: fix a comment in inode.c:evict_inode_truncate_pages() The comment was not correct about the part where it says the endio callback of the bio might have not yet been called - update it to mention that by that time the endio callback execution might still be in progress only. Signed-off-by: Filipe Manana Reviewed-by: Liu Bo Signed-off-by: Chris Mason --- diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index c0b2b6b51b2a..53afda0ef4e3 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -4989,8 +4989,9 @@ static void evict_inode_truncate_pages(struct inode *inode) /* * Keep looping until we have no more ranges in the io tree. * We can have ongoing bios started by readpages (called from readahead) - * that didn't get their end io callbacks called yet or they are still - * in progress ((extent_io.c:end_bio_extent_readpage()). This means some + * that have their endio callback (extent_io.c:end_bio_extent_readpage) + * still in progress (unlocked the pages in the bio but did not yet + * unlocked the ranges in the io tree). Therefore this means some * ranges can still be locked and eviction started because before * submitting those bios, which are executed by a separate task (work * queue kthread), inode references (inode->i_count) were not taken