Ext4 patches for 2.6.22-rc6

On Fri, 2007-06-29 at 13:57 -0700, Andrew Morton wrote: On Fri, 29 Jun 2007 11:50:04 -0400 Mingming Caoc [EMAIL PROTECTED] wrote: I think the ext4 patch queue is in good shape now. Which ext4 patches are you intending to merge into 2.6.23? Please send all those out to lkml for review?

[EXT4 set 1][PATCH 1/2] Add noextents mount option

Add a mount option to turn off extents. Signed-off-by: Mingming Cao [EMAIL PROTECTED] --- Index: linux-2.6.22-rc4/fs/ext4/super.c === --- linux-2.6.22-rc4.orig/fs/ext4/super.c 2007-06-11 17:02:18.0 -0700 +++

[EXT4 set 1][PATCH 2/2] Enable extents by default for ext4dev

Turn on extents feature by default in ext4 filesystem. User could use -o noextents to turn it off. Signed-off-by: Mingming Cao [EMAIL PROTECTED] Index: linux-2.6.22-rc4/fs/ext4/super.c === --- linux-2.6.22-rc4.orig/fs/ext4/super.c

[EXT4 set 2][PATCH 1/5] cleanups: Propagate some i_flags to disk

Propagate flags such as S_APPEND, S_IMMUTABLE, etc. from i_flags into ext4-specific i_flags. Hence, when someone sets these flags via a different interface than ioctl, they are stored correctly. Signed-off-by: Jan Kara [EMAIL PROTECTED] Signed-off-by: Mingming Cao [EMAIL PROTECTED] Index:

[EXT4 set 2][PATCH 2/5] cleanups: Add extent sanity checks

with the patch all headers are checked. the code should become more resistant to on-disk corruptions. needless BUG_ON() have been removed. please, review for inclusion. Signed-off-by: Alex Tomas [EMAIL PROTECTED] Signed-off-by: Mingming Cao [EMAIL PROTECTED] Index:

[EXT4 set 2][PATCH 3/5] cleanups: set_jbd2_64bit_feature for 16TB ext4 fs

Set the journals JBD2_FEATURE_INCOMPAT_64BIT on devices with more than 32bit block sizes during mount time. This ensure proper record lenth when writing to the journal. Signed-off-by: Jose R. Santos [EMAIL PROTECTED] Signed-off-by: Andreas Dilger [EMAIL PROTECTED] Signed-off-by: Mingming Cao

[EXT4 set 2][PATCH 4/5] cleanups: Rename CONFIG_JBD_DEBUG to CONFIG_JBD2_DEBUG

When the JBD code was forked to create the new JBD2 code base, the references to CONFIG_JBD_DEBUG where never changed to CONFIG_JBD2_DEBUG. This patch fixes that. Signed-off-by: Jose R. Santos [EMAIL PROTECTED] --- Index: linux-2.6.22-rc4/fs/jbd2/journal.c

[EXT4 set 4][PATCH 2/5] i_version: Add hi 32 bit inode version on ext4 on-disk inode

This patch adds a 32-bit i_version_hi field to ext4_inode, which can be used for 64-bit inode versions. This field will store the higher 32 bits of the version, while Jean Noel's patch has added support to store the lower 32-bits in osd1.linux1.l_i_version. Signed-off-by: Mingming Cao [EMAIL

[EXT4 set 4][PATCH 3/5] i_version:ext4 inode version read/store

This patch adds 64-bit inode version support to ext4. The lower 32 bits are stored in the osd1.linux1.l_i_version field while the high 32 bits are stored in the i_version_hi field newly created in the ext4_inode. Signed-off-by: Kalpak Shah [EMAIL PROTECTED] Signed-off-by: Mingming Cao [EMAIL

[EXT4 set 4][PATCH 4/5] i_version:ext4 inode version update

This patch is on top of i_version_update_vfs. The i_version field of the inode is set on inode creation and incremented when the inode is being modified. Signed-off-by: Jean Noel Cordenner [EMAIL PROTECTED] Signed-off-by: Mingming Cao [EMAIL PROTECTED] Index: linux-2.6.22-rc4/fs/ext4/ialloc.c

[EXT4 set 4][PATCH 5/5] i_version: noversion mount option to disable inode version updates

Add a noversion mount option to disable inode version updates. Signed-off-by: Andreas Dilger [EMAIL PROTECTED] Signed-off-by: Kalpak Shah [EMAIL PROTECTED] Index: linux-2.6.21/fs/ext4/super.c === ---

[EXT4 set 6][PATCH 1/1]Export jbd stats through procfs

[PATCH] jbd2 stats through procfs The patch below updates the jbd stats patch to 2.6.20/jbd2. The initial patch was posted by Alex Tomas in December 2005 (http://marc.info/?l=linux-ext4m=113538565128617w=2). It provides statistics via procfs such as transaction lifetime and size. [ This probably

[EXT4 set 7][PATCH 1/1]Remove 32000 subdirs limit.

From [EMAIL PROTECTED] Thu May 17 17:21:08 2007 Hi, I have rebased this patch to 2.6.22-rc1 so that it can be added to the ext4 patch queue. It has been tested by creating more than 65000 subdirs and then deleting them and checking the nlinks. The e2fsprogs part of this patch was sent earlier by

[EXT4 set 8][PATCH 1/1]Add journal checksums

Journal checksum feature has been added to detect corruption of journal. Signed-off-by: Andreas Dilger [EMAIL PROTECTED] Signed-off-by: Girish Shilamkar [EMAIL PROTECTED] Signed-off-by: Dave Kleikamp [EMAIL PROTECTED] diff -Nurp linux024/fs/ext4/super.c linux/fs/ext4/super.c ---

[EXT4 set 9][PATCH 1/5]Morecleanups:ext4-zero_user_page

Use zero_user_page() in ext4 where possible. Signed-off-by: Eric Sandeen [EMAIL PROTECTED] Index: linux-2.6.22-rc4-mm2/fs/ext4/inode.c === --- linux-2.6.22-rc4-mm2.orig/fs/ext4/inode.c +++ linux-2.6.22-rc4-mm2/fs/ext4/inode.c @@

[EXT4 set 9][PATCH 2/5]Morecleanups: use is_power_of_2 () in fill_super

Subject: is_power_of_2: ext4/super.c From: vignesh babu [EMAIL PROTECTED] Replace (n (n-1)) in the context of power of 2 checks with is_power_of_2() Signed-off-by: vignesh babu [EMAIL PROTECTED] Cc: linux-ext4@vger.kernel.org Signed-off-by: Andrew Morton [EMAIL PROTECTED] Signed-off-by: Dave

[EXT4 set 9][PATCH 3/5]Morecleanups:ext4-remove-extra-is_rdonly-check

Subject: ext4: remove extra IS_RDONLY() check From: Dave Hansen [EMAIL PROTECTED] ext4_change_inode_journal_flag() is only called from one location: ext4_ioctl(EXT3_IOC_SETFLAGS). That ioctl case already has a IS_RDONLY() call in it so this one is superfluous. Signed-off-by: Dave Hansen [EMAIL

[EXT4 set 9][PATCH 5/5]Extent micro cleanups

From: Dmitry Monakhov [EMAIL PROTECTED] Subject: ext4: extent macros cleanup - Replace math equation to it's macro equivalent - make ext4_ext_grow_indepth() indexes/leaf correct Signed-off-by: Dmitry Monakhov [EMAIL PROTECTED] Acked-by: Alex Tomas [EMAIL PROTECTED] Signed-off-by: Dave Kleikamp

Re: [EXT4 set 6][PATCH 1/1]Export jbd stats through procfs

On Sun, 01 Jul 2007 03:38:10 -0400 Mingming Cao [EMAIL PROTECTED] wrote: [PATCH] jbd2 stats through procfs The patch below updates the jbd stats patch to 2.6.20/jbd2. The initial patch was posted by Alex Tomas in December 2005 (http://marc.info/?l=linux-ext4m=113538565128617w=2). It

Re: [RFC] BIG_BG vs extended META_BG in ext4

On Sat, Jun 30, 2007 at 11:39:08PM -0500, Jose R. Santos wrote: On Sat, 30 Jun 2007 01:51:25 -0400 Andreas Dilger [EMAIL PROTECTED] wrote: I don't think there is actually any fundamental difference between these proposals. The reality is that we cannot change the semantics of the META_BG

Re: [RFC] BIG_BG vs extended META_BG in ext4

On Jun 30, 2007 23:40 -0500, Jose R. Santos wrote: Yes, I think bigger block groups will benefit extents a great deal since not only can we have larger extents, but I believe that as the filesystem ages the chances of getting large number contiguous block can be reduce with small block

[PATCH] fix error handling in ext3_create_journal

--- From: Borislav Petkov [EMAIL PROTECTED] Fix error handling in ext3_create_journal according to kernel conventions. Signed-off-by: Borislav Petkov [EMAIL PROTECTED] -- Index: linux-2.6.22-rc6/fs/ext3/super.c === ---

Re: [PATCH 4/7][TAKE5] support new modes in fallocate

On Sat, Jun 30, 2007 at 11:21:11AM +0100, Christoph Hellwig wrote: On Tue, Jun 26, 2007 at 04:02:47PM +0530, Amit K. Arora wrote: Can you clarify - what is the current behaviour when ENOSPC (or some other error) is hit? Does it keep the current fallocate() or does it free it?