gitweb.dragonflybsd.org Git - dragonfly.git/commit

author	Matthew Dillon <dillon@dragonflybsd.org>
	Sat, 26 Apr 2008 02:54:00 +0000 (02:54 +0000)
committer	Matthew Dillon <dillon@dragonflybsd.org>
	Sat, 26 Apr 2008 02:54:00 +0000 (02:54 +0000)
commit	f90dde4c06ea86fca65841766b334ff0b4dc03b8
tree	d57ee01d257218455194c25063d2d0c1c079c605	tree \| snapshot
parent	10a5d1ba1fb5faaa67ccb08651ff39f1208a4a82	commit \| diff

HAMMER 38D/Many: Undo/Synchronization and crash recovery

* The flusher now waits for I/O to complete at the appropriate points.

* Implement instant crash recovery.  The UNDO FIFO is scanned backwards
  and reapplied to the filesystem on mount.  There is still more work
  to do here, inode<->inode associations (e.g. directory entry vs file)
  are not yet bound together.

* Clean up I/O sequencing a lot and get rid of a ton of unnecessary flusher
  wakeups.

DragonFly Project Source

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sys/vfs/hammer/hammer.h		diff \| blob \| blame \| history
sys/vfs/hammer/hammer_flusher.c		diff \| blob \| blame \| history
sys/vfs/hammer/hammer_inode.c		diff \| blob \| blame \| history
sys/vfs/hammer/hammer_io.c		diff \| blob \| blame \| history
sys/vfs/hammer/hammer_object.c		diff \| blob \| blame \| history
sys/vfs/hammer/hammer_ondisk.c		diff \| blob \| blame \| history
sys/vfs/hammer/hammer_recover.c		diff \| blob \| blame \| history
sys/vfs/hammer/hammer_undo.c		diff \| blob \| blame \| history
sys/vfs/hammer/hammer_vfsops.c		diff \| blob \| blame \| history
sys/vfs/hammer/hammer_vnops.c		diff \| blob \| blame \| history