linux-ext4 - delalloc and journal locking order inversion fixes.

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Message-Id: <1211391859-17399-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com>
Date:	Wed, 21 May 2008 23:14:14 +0530
From:	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>
To:	cmm@...ibm.com, tytso@....edu, sandeen@...hat.com
Cc:	linux-ext4@...r.kernel.org
Subject: delalloc and journal locking order inversion fixes.

The below set of patches gets the delalloc work with journal locking
order inversion patches.

The series file look like

+ ext4-new-defm-options
+ ext4-call-blkdev_issue_flush-on-fsync.patch
+ ext4-page-mkwrite.patch
+ ext4_ialloc-flexbg.patch
+ ext4-inverse-pagelock-vs-transaction.patch
+ 005-lock-inversion.patch
+ delalloc-vfs.patch
+ ext4-fix-fs-corruption-with-delalloc.patch
+ delalloc-ext4.patch
+ delalloc-ext4-release-page-when-write_begin-failed.patch
+ delalloc-ext4-preallocation-handling.patch
...
...
.....
+ delalloc-ext4-lock-reverse.patch
> delalloc-fix.patch

Most of these patche will have to folded into other patches before
we push them to the patch queue.

Patch and their subject line matching:

ext4-page-mkwrite.patch: (repost with changes)
[PATCH] ext4: Use page_mkwrite vma_operations to get mmap write notification

ext4-inverse-pagelock-vs-transaction.patch:(repost due to moving patch up in the stack)
[PATCH] ext4: Inverse locking order of page_lock and transaction start.

005-lock-inversion.patch: (New changes needs review )
[PATCH] ext4: Add validation to jbd lock inversion patch and split and writepage
  and page_mkwrite calls.

delalloc-ext4-lock-reverse.patch:(repost due to changes, VFS change dropped)
[PATCH] ext4:  inverse locking ordering of page_lock and transaction start in delalloc

delalloc-fix.patch:(New changes to fix the hang)
[PATCH] ext4: Fix delalloc sync hang with journal lock inversion

NOTE: The patches are only for review and not for patchqueue.

-aneesh

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