diff options
| author | Jens Axboe <jens.axboe@oracle.com> | 2009-05-25 09:06:49 +0200 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2009-06-25 12:36:37 +0200 |
| commit | 32d714aeb0a2eb7c121b67038c5a86cb98d1372d (patch) | |
| tree | 5411dc235816ad6b368b9a5dd90fa6d59110d30c /fs | |
| parent | 0faf574f6b00dfd5a4f2d34a0a43d29e0da22f69 (diff) | |
writeback: check for registered bdi in flusher add and inode dirty
Also a debugging aid. We want to catch dirty inodes being added to
backing devices that don't do writeback.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/fs-writeback.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c index 796b24389485..dfb4767d7ca4 100644 --- a/fs/fs-writeback.c +++ b/fs/fs-writeback.c @@ -643,6 +643,13 @@ void __mark_inode_dirty(struct inode *inode, int flags) */ if (!was_dirty) { struct bdi_writeback *wb = inode_get_wb(inode); + struct backing_dev_info *bdi = wb->bdi; + + if (bdi_cap_writeback_dirty(bdi) && + !test_bit(BDI_registered, &bdi->state)) { + WARN_ON(1); + printk("bdi-%s not registered\n", bdi->name); + } inode->dirtied_when = jiffies; list_move(&inode->i_list, &wb->b_dirty); |