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Chris Mason
[GIT PULL] Btrfs updates for 2.6.31-rc
Hello everyone, Here are some btrfs updates. Most of them are small bug fixes, but the large commit from Yan Zheng is step one in getting snapshot deletion rolling. There is also has a nice CPU usage reduction for streaming writes to a file. Linus, please pull the master branch of btrfs-unstable: git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable.git master Chris Mason (3) commits (+15/-9): Btrfs: don't log the inode in file_write while growing the file (+4/-1) Btr...
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Jul 2, 3:10 pm 2009
Chris Mason
Re: [GIT PULL] Btrfs updates for 2.6.31-rc
Sorry, I was a two commits off in generating the stats. The code in the btrfs-unstable tree hasn't changed, but here are the correct stats: Chris Mason (3) commits (+15/-9): Btrfs: don't log the inode in file_write while growing the file (+4/-1) Btrfs: fix the file clone ioctl for preallocated extents (+4/-2) Btrfs: honor nodatacow/sum mount options for new files (+7/-6) Yan Zheng (1) commits (+395/-181): Btrfs: update backrefs while dropping snapshot Josef Bacik (1) commits...
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Jul 2, 3:46 pm 2009
Steven Pratt
Latest tree?
What is the latest experimental tree to pull from? We had an experimental branch, plus the newformat and newformat2 branches. Which has the very latest stuff? Steve --
Jul 2, 12:11 pm 2009
Chris Mason
Re: Latest tree?
Right now the master branch and the newformat2 branch are the same. The master branch is what I ask Linus to pull from and the newformat2 branch is the dedicated backport of all the critical newformat fixes against 2.6.30. There's one bug in both branches around the nodatacow and nodatasum modes (both are ignored). I plan on pushing that out today. -chris --
Jul 2, 12:24 pm 2009
Chris Mason
Re: Latest tree?
Just a quick note, I've pushed out my current queue of fixes to both the master and newformat2 trees. The big thing missing is Josef's work on the free space tracking and async block group caching, but I'll pull that in once it stabilizes. -chris --
Jul 2, 2:03 pm 2009
Tomasz Chmielewski
Re: LVM vs btrfs as a "volume manager" for SANs
What about the "administrative" part of using btrfs as a volume manager? For example, I can partition (fdisk + kpartx), extend volumes in LVM easily, on the host. Are there any tools to "partition" or "extend" file images? qemu-nbd and nbd-client come to mind, but it's a bit of an overhead (in typing, I mean). -- Tomasz Chmielewski http://wpkg.org --
Jul 2, 11:22 am 2009
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