| commit | 059819e3ed7c6f24ca4eda1cf9f8b1f9051977e8 | |
| author | Matthew Dillon <dillon@dragonflybsd.org> | |
| Tue, 22 Apr 2008 19:00:15 +0000 (22 19:00 +0000) | ||
| committer | Matthew Dillon <dillon@dragonflybsd.org> | |
| Tue, 22 Apr 2008 19:00:15 +0000 (22 19:00 +0000) | ||
| tree | fd0b68fc4a56de31511a2c3cb5255609581320e4 | treesnapshot (tar.gz zip) |
| parent | f2d7fcf0efee6f61aa30ae0121427dda1b1c7a5e | commitdiff |
HAMMER 37/Many: Add a flush helper thread, clean up some inconsistencies.
This patch generally cleans up transaction id inconsistencies betwen data
and meta-data by syncing the data and inode in a single transaction.
* Change the I/O path for write strategy calls. Queue the BIO's to the
flush helper thread instead of directly updating the media.
* We no longer try to sync individual buffers. If the kernel wants to
sync a dirty buffer, we sync the whole file to minimize inode updates.
This patch generally cleans up transaction id inconsistencies betwen data
and meta-data by syncing the data and inode in a single transaction.
* Change the I/O path for write strategy calls. Queue the BIO's to the
flush helper thread instead of directly updating the media.
* We no longer try to sync individual buffers. If the kernel wants to
sync a dirty buffer, we sync the whole file to minimize inode updates.