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authorFilipe Manana <fdmanana@suse.com>2015-06-10 12:55:41 +0100
committerChris Mason <clm@fb.com>2015-07-01 17:17:19 -0700
commit9c6429d96daec64f6b5b10a1c6b02c7264541ea1 (patch)
treea6457331bf7b6053afd8bddd6001f631c3de5f86 /fs/btrfs
parent61de718fceb6bc028dafe4d06a1f87a9e0998303 (diff)
downloadlinux-9c6429d96daec64f6b5b10a1c6b02c7264541ea1.tar.bz2
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 <fdmanana@suse.com> Reviewed-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: Chris Mason <clm@fb.com>
Diffstat (limited to 'fs/btrfs')
-rw-r--r--fs/btrfs/inode.c5
1 files changed, 3 insertions, 2 deletions
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