btrfs: Ratelimit "no csum found" info message
authorNikolay Borisov <kernel@kyup.com>
Wed, 13 Jul 2016 13:19:14 +0000 (16:19 +0300)
committerDavid Sterba <dsterba@suse.com>
Tue, 26 Jul 2016 11:52:25 +0000 (13:52 +0200)
Recently during a crash it became apparent that this particular message
can be printed so many times that it causes the softlockup detector to
trigger. Fix it by ratelimiting it.

Signed-off-by: Nikolay Borisov <kernel@kyup.com>
Signed-off-by: David Sterba <dsterba@suse.com>
fs/btrfs/file-item.c

index 62a81ee13a5f649f3d17139f8069395dbd512527..6b58d0620e2fb095cc16f2e7cac0853bac1b7a0e 100644 (file)
@@ -250,7 +250,7 @@ static int __btrfs_lookup_bio_sums(struct btrfs_root *root,
                                                offset + root->sectorsize - 1,
                                                EXTENT_NODATASUM);
                                } else {
-                                       btrfs_info(BTRFS_I(inode)->root->fs_info,
+                                       btrfs_info_rl(BTRFS_I(inode)->root->fs_info,
                                                   "no csum found for inode %llu start %llu",
                                               btrfs_ino(inode), offset);
                                }