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Subject[git patches] Ocfs2 patches for merge window, batch 2/3

This is the second batch of Ocfs2 patches intended for the merge window. The
1st batch were sent out previously:

The bulk of this set is comprised of Jan Kara's patches to add quota support
to Ocfs2. Many of the quota patches are to generic code, which I carried to
make merging of the Ocfs2 support easier. All of the non-ocfs2 patches
should have appropriate signoffs. Quota is handled a bit differently in
Ocfs2 than other file systems. We keep a set of node local quota files (user
and group), which periodically sync with a global file. This allows for a
higher level of concurrency on multi-node clusters. Additionally, a small
portion of each quota block is reserved for later use as a checksum field.

The other non-trivial part of this series is comprised of some more meta
data I/O cleanups by Joel. This time the focus is on writing of leaves in
indexed xattr trees and managing those changes in a fashion which makes the
meta data checksum patches in round 3 more straight forward.

Please pull from 'upstream-round2' branch of
git:// upstream-round2

to receive the following updates:

fs/Kconfig | 7 +
fs/Makefile | 1 +
fs/dquot.c | 436 +++++++++----
fs/ext3/super.c | 16 +-
fs/ext4/super.c | 15 +-
fs/ocfs2/Makefile | 2 +
fs/ocfs2/alloc.c | 20 +-
fs/ocfs2/aops.c | 16 +-
fs/ocfs2/buffer_head_io.c | 5 +-
fs/ocfs2/cluster/masklog.c | 1 +
fs/ocfs2/cluster/masklog.h | 1 +
fs/ocfs2/dir.c | 24 +-
fs/ocfs2/dlmglue.c | 146 +++++
fs/ocfs2/dlmglue.h | 19 +
fs/ocfs2/file.c | 78 ++-
fs/ocfs2/file.h | 3 +
fs/ocfs2/inode.c | 16 +-
fs/ocfs2/inode.h | 2 +
fs/ocfs2/journal.c | 142 ++++-
fs/ocfs2/journal.h | 85 ++-
fs/ocfs2/namei.c | 44 ++-
fs/ocfs2/ocfs2.h | 7 +-
fs/ocfs2/ocfs2_fs.h | 126 ++++-
fs/ocfs2/ocfs2_lockid.h | 5 +
fs/ocfs2/quota.h | 117 ++++
fs/ocfs2/quota_global.c | 990 ++++++++++++++++++++++++++++
fs/ocfs2/quota_local.c | 1253 ++++++++++++++++++++++++++++++++++++
fs/ocfs2/super.c | 277 ++++++++-
fs/ocfs2/xattr.c | 567 +++++++++--------
fs/quota.c | 11 +-
fs/quota_tree.c | 645 +++++++++++++++++++
fs/quota_tree.h | 25 +
fs/quota_v1.c | 28 +-
fs/quota_v2.c | 631 +++----------------
{include/linux => fs}/quotaio_v1.h | 0
{include/linux => fs}/quotaio_v2.h | 33 +-
fs/reiserfs/super.c | 10 +-
include/linux/Kbuild | 4 -
include/linux/dqblk_qtree.h | 56 ++
include/linux/dqblk_v1.h | 7 -
include/linux/dqblk_v2.h | 22 +-
include/linux/jbd2.h | 1 +
include/linux/quota.h | 108 +++-
include/linux/quotaops.h | 96 +++-
mm/pdflush.c | 1 +
45 files changed, 4925 insertions(+), 1174 deletions(-)
create mode 100644 fs/ocfs2/quota.h
create mode 100644 fs/ocfs2/quota_global.c
create mode 100644 fs/ocfs2/quota_local.c
create mode 100644 fs/quota_tree.c
create mode 100644 fs/quota_tree.h
rename {include/linux => fs}/quotaio_v1.h (100%)
rename {include/linux => fs}/quotaio_v2.h (68%)
create mode 100644 include/linux/dqblk_qtree.h

Jan Kara (36):
quota: Add callbacks for allocating and destroying dquot structures
quota: Increase size of variables for limits and inode usage
quota: Remove bogus 'optimization' in check_idq() and check_bdq()
quota: Make _SUSPENDED just a flag
quota: Allow to separately enable quota accounting and enforcing limits
ext3: Use sb_any_quota_loaded() instead of sb_any_quota_enabled()
ext4: Use sb_any_quota_loaded() instead of sb_any_quota_enabled()
reiserfs: Use sb_any_quota_loaded() instead of sb_any_quota_enabled().
quota: Remove compatibility function sb_any_quota_enabled()
quota: Introduce DQUOT_QUOTA_SYS_FILE flag
quota: Move quotaio_v[12].h from include/linux/ to fs/
quota: Split off quota tree handling into a separate file
quota: Convert union in mem_dqinfo to a pointer
quota: Allow negative usage of space and inodes
quota: Keep which entries were set by SETQUOTA quotactl
quota: Update version number
quota: Add helpers to allow ocfs2 specific quota initialization, freeing and recovery
quota: Implement function for scanning active dquots
mm: Export pdflush_operation()
ocfs2: Support nested transactions
ocfs2: Assign feature bits and system inodes to quota feature and quota files
ocfs2: Mark system files as not subject to quota accounting
ocfs2: Implementation of local and global quota file handling
ocfs2: Add quota calls for allocation and freeing of inodes and space
ocfs2: Implement quota syncing thread
ocfs2: Implement quota recovery
ocfs2: Enable quota accounting on mount, disable on umount
ocfs2: Add missing initialization
ocfs2: Fix oops when extending quota files
ocfs2: Make ocfs2_get_quota_block() consistent with ocfs2_read_quota_block()
ocfs2: Fix build warnings (64-bit types vs long long)
quota: Unexport dqblk_v1.h and dqblk_v2.h
quota: Export dquot_alloc() and dquot_destroy() functions
reiserfs: Add default allocation routines for quota structures
ext3: Add default allocation routines for quota structures
ext4: Add default allocation routines for quota structures

Joel Becker (14):
ocfs2: Fix ocfs2_read_quota_block() error handling.
ocfs2: Dirty the entire bucket in ocfs2_bucket_value_truncate()
ocfs2: Dirty the entire first bucket in ocfs2_extend_xattr_bucket()
ocfs2: Dirty the entire first bucket in ocfs2_cp_xattr_cluster().
ocfs2: Explain t_is_new in ocfs2_cp_xattr_cluster().
ocfs2: Use ocfs2_cp_xattr_bucket() in ocfs2_mv_xattr_bucket_cross_cluster().
ocfs2: Rename ocfs2_cp_xattr_cluster() to ocfs2_mv_xattr_buckets().
ocfs2: ocfs2_mv_xattr_buckets() can handle a partial cluster now.
ocfs2: Use ocfs2_mv_xattr_buckets() in ocfs2_mv_xattr_bucket_cross_cluster().
ocfs2: Start using buckets in ocfs2_adjust_xattr_cross_cluster().
ocfs2: Pass buckets into ocfs2_mv_xattr_bucket_cross_cluster().
ocfs2: Move buckets up into ocfs2_add_new_xattr_cluster().
ocfs2: Move buckets up into ocfs2_add_new_xattr_bucket().
ocfs2: Pass xs->bucket into ocfs2_add_new_xattr_bucket().

Mark Fasheh (2):
jbd2: Add BH_JBDPrivateStart
ocfs2: Use BH_JBDPrivateStart instead of BH_Unshadow

Tao Ma (4):
ocfs2: fix indendation in ocfs2_dquot_drop_slow
ocfs2/quota: sparse fixes for quota
ocfs2: Narrow the transaction for deleting xattrs from a bucket.
ocfs2/quota: Add QUOTA in mlog_attribute.

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