| commit | b1969588c5c80496332804bc895aee82ff51d671 | |
| author | Matthew Dillon <dillon@apollo.backplane.com> | |
| Fri, 10 Jun 2016 18:03:18 +0000 (10 11:03 -0700) | ||
| committer | Matthew Dillon <dillon@apollo.backplane.com> | |
| Fri, 10 Jun 2016 18:12:24 +0000 (10 11:12 -0700) | ||
| tree | 8566953d8f81a8216a6c2b9692be955e89268b3d | treesnapshot (tar.gz zip) |
| parent | 63a5224a584a280289820c8f5b4b49e5fa184f32 | commitdiff |
kernel - Try to improve 'Warning: vfsync skipped dirty bufs'... messages
* Use BUF_TIMELOCK instead of locking non-blocking if the vfsync()
encounters a buffer that it cannot lock.
* This should theoretically reduce (hopefully prevent) instances of the
'vfsync skipped N dirty bufs' warnings on the console which occur under
heavy filesystem loads.
* Also remove 'Warning buffer ... was recycled' kprintfs. This debugging
was originally added to determine if a particular retry path was getting
hit (it does), and is no longer needed.
* Use BUF_TIMELOCK instead of locking non-blocking if the vfsync()
encounters a buffer that it cannot lock.
* This should theoretically reduce (hopefully prevent) instances of the
'vfsync skipped N dirty bufs' warnings on the console which occur under
heavy filesystem loads.
* Also remove 'Warning buffer ... was recycled' kprintfs. This debugging
was originally added to determine if a particular retry path was getting
hit (it does), and is no longer needed.
| sys/kern/vfs_bio.c | diffblobblamehistory | |
| sys/kern/vfs_subr.c | diffblobblamehistory |