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[3/3] btrfs: increase ctx->pos for delayed dir index

Message ID 1500658149-20410-3-git-send-email-jbacik@fb.com (mailing list archive)
State New, archived
Headers show

Commit Message

Josef Bacik July 21, 2017, 5:29 p.m. UTC 
From: Josef Bacik <jbacik@fb.com>

Our dir_context->pos is supposed to hold the next position we're
supposed to look.  If we successfully insert a delayed dir index we
could end up with a duplicate entry because we don't increase ctx->pos
after doing the dir_emit.

Signed-off-by: Josef Bacik <jbacik@fb.com>
---
 fs/btrfs/delayed-inode.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c
index 8ae409b..19e4ad2 100644
--- a/fs/btrfs/delayed-inode.c
+++ b/fs/btrfs/delayed-inode.c
@@ -1727,6 +1727,7 @@  int btrfs_readdir_delayed_dir_index(struct dir_context *ctx,
 
 		if (over)
 			return 1;
+		ctx->pos++;
 	}
 	return 0;
 }