[git pull] jfs update

From: Dave Kleikamp
Date: Tue Mar 14 2006 - 13:45:25 EST


Linus,
I'd really like the first of these patches (first in the list, but the most
recent) to make it into 2.6.16. All of these patches have been tested in
-mm, so I'm confident that they won't break anything. If you don't want to
pick up all of them, I could send you just the one patch.

Thanks,
Shaggy

Please pull from

git://git.kernel.org/pub/scm/linux/kernel/git/shaggy/jfs-2.6.git for-linus

This will update the following files:

fs/jfs/Makefile | 3 -
fs/jfs/acl.c | 4 -
fs/jfs/file.c | 1
fs/jfs/inode.c | 15 ++---
fs/jfs/ioctl.c | 107 ++++++++++++++++++++++++++++++++++++++
fs/jfs/jfs_dinode.h | 31 +++++++++--
fs/jfs/jfs_dmap.c | 15 ++---
fs/jfs/jfs_dmap.h | 2
fs/jfs/jfs_dtree.c | 13 ++++
fs/jfs/jfs_extent.c | 20 +++----
fs/jfs/jfs_imap.c | 28 ++++-----
fs/jfs/jfs_imap.h | 4 -
fs/jfs/jfs_incore.h | 5 +
fs/jfs/jfs_inode.c | 39 ++++++++++++-
fs/jfs/jfs_inode.h | 3 +
fs/jfs/jfs_lock.h | 1
fs/jfs/jfs_logmgr.c | 35 ++++--------
fs/jfs/jfs_logmgr.h | 2
fs/jfs/jfs_metapage.c | 3 -
fs/jfs/jfs_superblock.h | 9 +--
fs/jfs/jfs_txnmgr.c | 36 ++++--------
fs/jfs/namei.c | 99 +++++++++++++++++------------------
fs/jfs/super.c | 60 ++++++++-------------
fs/jfs/xattr.c | 8 +-
24 files changed, 340 insertions(+), 203 deletions(-)

through these ChangeSets:

commit be0bf7da19135a7a0f8c275f20c819940be218d9
tree c8ba72b711730ce11f52fc20cd7c0e9c4bee7bc0
parent 5b3030e39049212c975665cdb3eeabcfaf7c94ca
author Dave Kleikamp <shaggy@xxxxxxxxxxxxxx> Wed, 08 Mar 2006 10:59:15 -0600
committer Dave Kleikamp <shaggy@xxxxxxxxxxxxxx> Wed, 08 Mar 2006 10:59:15 -0600

JFS: Take logsync lock before testing mp->lsn

This fixes a race where lsn could be cleared before taking the lock

Signed-off-by: Dave Kleikamp <shaggy@xxxxxxxxxxxxxx>

commit 5b3030e39049212c975665cdb3eeabcfaf7c94ca
tree 93742231c2e01087ae36d7c05d8bd7bdb7ca8878
parent d9e902668e815f9f33ba5056089684b0704eeac6
author Eric Sesterhenn <snakebyte@xxxxxx> Thu, 23 Feb 2006 09:47:13 -0600
committer Dave Kleikamp <shaggy@xxxxxxxxxxxxxx> Thu, 23 Feb 2006 09:47:13 -0600

JFS: kzalloc conversion

this converts fs/jfs to kzalloc() usage.
compile tested with make allyesconfig

Signed-off-by: Eric Sesterhenn <snakebyte@xxxxxx>
Signed-off-by: Dave Kleikamp <shaggy@xxxxxxxxxxxxxx>

commit d9e902668e815f9f33ba5056089684b0704eeac6
tree a2efed26b40b36f38e155955d661f776759a42dc
parent 91dbb4deb30e817efc8d6bed89b1190a489ca776
author Herbert Poetzl <herbert@xxxxxxxxxxxx> Wed, 22 Feb 2006 14:14:58 -0600
committer Dave Kleikamp <shaggy@xxxxxxxxxxxxxx> Wed, 22 Feb 2006 14:14:58 -0600

JFS: Add missing file from fa3241d24cf1182b0ffb6e4d412c3bc2a2ab7bf6

My mistake here. I failed to checkin fs/jfs/ioctl.c

Signed-off-by: Dave Kleikamp <shaggy@xxxxxxxxxxxxxx>

commit 91dbb4deb30e817efc8d6bed89b1190a489ca776
tree d3742a35be49da1ab785ac398459d7a71a64a765
parent 4837c672fd4d43c519d6b53308ee68d45b91b872
author Christoph Hellwig <hch@xxxxxx> Wed, 15 Feb 2006 12:49:04 -0600
committer Dave Kleikamp <shaggy@xxxxxxxxxxxxxx> Wed, 15 Feb 2006 12:49:04 -0600

JFS: Use the kthread_ API

Use the kthread_ API instead of opencoding lots of hairy code for kernel
thread creation and teardown.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Dave Kleikamp <shaggy@xxxxxxxxxxxxxx>

commit 4837c672fd4d43c519d6b53308ee68d45b91b872
tree 6aea45f6de8a7320be022ccf5e4c98ddfcf3ea33
parent fa3241d24cf1182b0ffb6e4d412c3bc2a2ab7bf6
author Dave Kleikamp <shaggy@xxxxxxxxxxxxxx> Fri, 10 Feb 2006 08:11:53 -0600
committer Dave Kleikamp <shaggy@xxxxxxxxxxxxxx> Fri, 10 Feb 2006 08:11:53 -0600

JFS: Fix regression. fsck complains if symlinks do not have INLINEEA attribute

Signed-off-by: Dave Kleikamp <shaggy@xxxxxxxxxxxxxx>

commit fa3241d24cf1182b0ffb6e4d412c3bc2a2ab7bf6
tree b39000f89c6699612d64d98fd5739ca7feba8d8f
parent 1de87444f8f91009b726108c9a56600645ee8751
author Herbert Poetzl <herbert@xxxxxxxxxxxx> Thu, 09 Feb 2006 09:09:16 -0600
committer Dave Kleikamp <shaggy@xxxxxxxxxxxxxx> Thu, 09 Feb 2006 09:09:16 -0600

JFS: ext2 inode attributes for jfs

ext2 inode attributes with relevance for jfs:

'a' EXT2_APPEND_FL -> append only
'i' EXT2_IMMUTABLE_FL -> immutable file
's' EXT2_SECRM_FL -> zero file
'u' EXT2_UNRM_FL -> allow for unrm
'A' EXT2_NOATIME_FL -> no access time
'D' EXT2_DIRSYNC_FL -> dirsync
'S' EXT2_SYNC_FL -> sync

overview of jfs flags (partially for OS/2)

value (OS/2) Linux ext2 attrs
------------------------------------------------
0x00010000 IFJOURNAL -
0x00020000 ISPARSE used
0x00040000 INLINEEA used
0x00080000 - - JFS_NOATIME_FL

0x00100000 - - JFS_DIRSYNC_FL
0x00200000 - - JFS_SYNC_FL
0x00400000 - - JFS_SECRM_FL
0x00800000 ISWAPFILE - JFS_UNRM_FL

0x01000000 - - JFS_APPEND_FL
0x02000000 IREADONLY - JFS_IMMUTABLE_FL
0x04000000 IHIDDEN - -
0x08000000 ISYSTEM - -

0x10000000 - -
0x20000000 IDIRECTORY used
0x40000000 IARCHIVE -
0x80000000 INEWNAME -

the implementation is straight forward, except
for the fact that the attributes have to be mapped
to match with the ext2 ones to avoid a separate
tool for manipulating them (this could be avoided
when using a separate flag field in the on-disk
representation, but the overhead is minimal)

a special jfs_ioctl is added to allow for the new
JFS_IOC_GETFLAGS and JFS_IOC_SETFLAGS calls.

a helper function jfs_set_inode_flags() to transfer
the flags from the on-disk version to the inode

minor changes to allow flag inheritance on inode
creation, as well as a cleanup of the on-disk
flags (including the new ones)

beforementioned helper to map between ext2 and jfs
versions of the new flags ...

the JFS_SECRM_FL and JFS_UNRM_FL are not done yet
and I'm not 100% sure they are worth the effort,
the rest seems to work out of the box ...

Signed-off-by: Herbert Poetzl <herbert@xxxxxxxxxxxx>
Signed-off-by: Dave Kleikamp <shaggy@xxxxxxxxxxxxxx>

commit 1de87444f8f91009b726108c9a56600645ee8751
tree 66f731a701a005be55337792bf873c182470141a
parent 0a0fc0ddbe732779366ab6b1b879f62195e65967
author Ingo Molnar <mingo@xxxxxxx> Tue, 24 Jan 2006 15:22:50 -0600
committer Dave Kleikamp <shaggy@xxxxxxxxxxxxxx> Tue, 24 Jan 2006 15:22:50 -0600

JFS: semaphore to mutex conversion.

the conversion was generated via scripts, and the result was validated
automatically via a script as well.

build and boot tested.

Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
Signed-off-by: Dave Kleikamp <shaggy@xxxxxxxxxxxxxx>

commit 0a0fc0ddbe732779366ab6b1b879f62195e65967
tree 7b42490a676cf39ae0691b6859ecf7fd410f229b
parent 4d5dbd0945d9e0833dd7964a3d6ee33157f7cc7a
parent 3ee68c4af3fd7228c1be63254b9f884614f9ebb2
author Dave Kleikamp <shaggy@xxxxxxxxxxxxxx> Tue, 24 Jan 2006 14:34:47 -0600
committer Dave Kleikamp <shaggy@xxxxxxxxxxxxxx> Tue, 24 Jan 2006 14:34:47 -0600

Merge with /home/shaggy/git/linus-clean/

commit 4d5dbd0945d9e0833dd7964a3d6ee33157f7cc7a
tree 139d47bcbfbbca350536be935961fece7477a7b6
parent ca869912366f60cb5e0bdd09f65e80ee6816e73c
author Arjan van de Ven <arjan@xxxxxxxxxxxxx> Tue, 29 Nov 2005 08:28:58 -0600
committer Dave Kleikamp <shaggy@xxxxxxxxxxxxxx> Tue, 29 Nov 2005 08:28:58 -0600

JFS: make buddy table static

Idea is to reduce false cacheline sharing and stuff

Signed-off-by: Dave Kleikamp <shaggy@xxxxxxxxxxxxxx>

commit ca869912366f60cb5e0bdd09f65e80ee6816e73c
tree a72913a29495ca078987c09fc0008f47e11b900b
parent dd8a306ac0c918268bd2ae89da2dea627f6e352d
parent 388f7ef720a982f49925e7b4e96f216f208f8c03
author Dave Kleikamp <shaggy@xxxxxxxxxxxxxx> Fri, 11 Nov 2005 14:09:06 -0600
committer Dave Kleikamp <shaggy@xxxxxxxxxxxxxx> Fri, 11 Nov 2005 14:09:06 -0600

Merge with /home/shaggy/git/linus-clean/

commit dd8a306ac0c918268bd2ae89da2dea627f6e352d
tree e3f2c244505931d93b09f7d314014cf3832b0176
parent 3b44f137b9a846c5452d9e6e1271b79b1dbcc942
author Dave Kleikamp <shaggy@xxxxxxxxxxxxxx> Thu, 10 Nov 2005 07:50:03 -0600
committer Dave Kleikamp <shaggy@xxxxxxxxxxxxxx> Thu, 10 Nov 2005 07:50:03 -0600

JFS: Add back directory i_size calculations for legacy partitions

Linux-formatted jfs partitions have a different idea about what i_size
represents than partitions formatted on OS/2. The i_size calculation is
now based on the size of the directory index. For legacy partitions, which
have no directory index, the i_size is never being updated.

This patch adds back the original i_size calculations for legacy partitions.

Signed-off-by: Dave Kleikamp <shaggy@xxxxxxxxxxxxxx>

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