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9006fb9 xfs: split and cleanup xfs_log_reserve
42ceedb xfs: share code for grant head availability checks
e179840d xfs: share code for grant head wakeups
23ee3df xfs: share code for grant head waiting
a79bf2d xfs: add xlog_grant_head_wake_all
c303c5b xfs: add xlog_grant_head_init
2849696 xfs: add the xlog_grant_head structure
14a7235 xfs: remove log space waitqueues
cfb7cdc xfs: cleanup xfs_log_space_wake
5b03ff1 xfs: remove xfs_trans_unlocked_item
3af1de7 xfs: do exact log space wakeups in xlog_ungrant_log_space
09a423a xfs: split tail_lsn assignments from log space wakeups
70b5437 xfs: cleanup quota check on disk blocks and inodes reservations
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commit 9006fb91cfdf22812923f0536c7531c429c1aeab
Author: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Mon Feb 20 02:31:31 2012 +0000
xfs: split and cleanup xfs_log_reserve
Split the log regrant case out of xfs_log_reserve into a separate function,
and merge xlog_grant_log_space and xlog_regrant_write_log_space into their
respective callers. Also replace the XFS_LOG_PERM_RESERV flag, which easily
got misused before the previous cleanups with a simple boolean parameter.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Mark Tinguely <tinguely@xxxxxxx>
Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx>
Signed-off-by: Ben Myers <bpm@xxxxxxx>
commit 42ceedb3caffe67c4ec0dfbb78ce410832d429b9
Author: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Mon Feb 20 02:31:30 2012 +0000
xfs: share code for grant head availability checks
Reviewed-by: Mark Tinguely <tinguely@xxxxxxx>
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx>
Signed-off-by: Ben Myers <bpm@xxxxxxx>
commit e179840d74606ab1935c83fe5ad9d93c95ddc956
Author: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Mon Feb 20 02:31:29 2012 +0000
xfs: share code for grant head wakeups
Reviewed-by: Mark Tinguely <tinguely@xxxxxxx>
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx>
Signed-off-by: Ben Myers <bpm@xxxxxxx>
commit 23ee3df349b8b8fd153bd02fccf08b31aec5bce3
Author: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Mon Feb 20 02:31:28 2012 +0000
xfs: share code for grant head waiting
Reviewed-by: Mark Tinguely <tinguely@xxxxxxx>
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx>
Signed-off-by: Ben Myers <bpm@xxxxxxx>
commit a79bf2d75b8f96bcdb6714138cd53cb3c358669c
Author: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Mon Feb 20 02:31:27 2012 +0000
xfs: add xlog_grant_head_wake_all
Reviewed-by: Mark Tinguely <tinguely@xxxxxxx>
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx>
Signed-off-by: Ben Myers <bpm@xxxxxxx>
commit c303c5b8c3b8eace41c4fba26205b50c0f8e4ca0
Author: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Mon Feb 20 02:31:26 2012 +0000
xfs: add xlog_grant_head_init
Reviewed-by: Mark Tinguely <tinguely@xxxxxxx>
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx>
Signed-off-by: Ben Myers <bpm@xxxxxxx>
commit 28496968a6ac37c8b8c44b5156e633c581bb8378
Author: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Mon Feb 20 02:31:25 2012 +0000
xfs: add the xlog_grant_head structure
Add a new data structure to allow sharing code between the log grant and
regrant code.
Reviewed-by: Mark Tinguely <tinguely@xxxxxxx>
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx>
Signed-off-by: Ben Myers <bpm@xxxxxxx>
commit 14a7235fba4302a82d61150eda92ec90d3ae9cfb
Author: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Mon Feb 20 02:31:24 2012 +0000
xfs: remove log space waitqueues
The tic->t_wait waitqueues can never have more than a single waiter
on them, so we can easily replace them with a task_struct pointer
and wake_up_process.
Reviewed-by: Mark Tinguely <tinguely@xxxxxxx>
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx>
Signed-off-by: Ben Myers <bpm@xxxxxxx>
commit cfb7cdca0aca5ee2e2ef491284bf1edc3b581885
Author: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Mon Feb 20 02:31:23 2012 +0000
xfs: cleanup xfs_log_space_wake
Remove the now unused opportunistic parameter, and use the the
xlog_writeq_wake and xlog_reserveq_wake helpers now that we don't have
to care about the opportunistic wakeups.
Reviewed-by: Mark Tinguely <tinguely@xxxxxxx>
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx>
Signed-off-by: Ben Myers <bpm@xxxxxxx>
commit 5b03ff1b2444ddf7b8084b7505101e97257aff5a
Author: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Mon Feb 20 02:31:22 2012 +0000
xfs: remove xfs_trans_unlocked_item
There is no reason to wake up log space waiters when unlocking inodes or
dquots, and the commit log has no explanation for this function either.
Given that we now have exact log space wakeups everywhere we can assume
the reason for this function was to paper over log space races in earlier
XFS versions.
Reviewed-by: Mark Tinguely <tinguely@xxxxxxx>
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx>
Signed-off-by: Ben Myers <bpm@xxxxxxx>
commit 3af1de753b3caf9fa3762b4b1b85d833c121847e
Author: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Mon Feb 20 02:31:21 2012 +0000
xfs: do exact log space wakeups in xlog_ungrant_log_space
The only reason that xfs_log_space_wake had to do opportunistic wakeups
was that the old xfs_log_move_tail calling convention didn't allow for
exact wakeups when not updating the log tail LSN. Since this issue has
been fixed we can do exact wakeups now.
Reviewed-by: Mark Tinguely <tinguely@xxxxxxx>
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx>
Signed-off-by: Ben Myers <bpm@xxxxxxx>
commit 09a423a3d6c70905f1090f01aadb8e6abff527ce
Author: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Mon Feb 20 02:31:20 2012 +0000
xfs: split tail_lsn assignments from log space wakeups
Currently xfs_log_move_tail has a tail_lsn argument that is horribly
overloaded: it may contain either an actual lsn to assign to the log tail,
0 as a special case to use the last sync LSN, or 1 to indicate that no tail
LSN assignment should be performed, and we should opportunisticly wake up
at one task waiting for log space even if we did not move the LSN.
Remove the tail lsn assigned from xfs_log_move_tail and make the two callers
use xlog_assign_tail_lsn instead of the current variant of partially using
the code in xfs_log_move_tail and partially opencoding it. Note that means
we grow an addition lock roundtrip on the AIL lock for each bulk update
or delete, which is still far less than what we had before introducing the
bulk operations. If this proves to be a problem we can still add a variant
of xlog_assign_tail_lsn that expects the lock to be held already.
Also rename the remainder of xfs_log_move_tail to xfs_log_space_wake as
that name describes its functionality much better.
Reviewed-by: Mark Tinguely <tinguely@xxxxxxx>
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx>
Signed-off-by: Ben Myers <bpm@xxxxxxx>
commit 70b5437653d9c6c8de287affd38836cce98ebde5
Author: Mitsuo Hayasaka <mitsuo.hayasaka.hu@xxxxxxxxxxx>
Date: Mon Feb 6 12:51:05 2012 +0000
xfs: cleanup quota check on disk blocks and inodes reservations
This patch is a cleanup of quota check on disk blocks and inodes
reservations, and changes it as follows.
(1) add a total_count variable to store the total number of
current usages and new reservations for disk blocks and inodes,
respectively.
(2) make it more readable to check if the local variables softlimit
and hardlimit are positive. It has been changed as follows.
if (softlimit > 0ULL) -> if (softlimit)
if (hardlimit > 0ULL) -> if (hardlimit)
This is because they are defined as xfs_qcnt_t which is unsigned.
Signed-off-by: Mitsuo Hayasaka <mitsuo.hayasaka.hu@xxxxxxxxxxx>
Cc: Ben Myers <bpm@xxxxxxx>
Cc: Alex Elder <elder@xxxxxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Mark Tinguely <tinguely@xxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Ben Myers <bpm@xxxxxxx>
-----------------------------------------------------------------------
Summary of changes:
fs/xfs/xfs_dquot.c | 11 -
fs/xfs/xfs_dquot.h | 3 +-
fs/xfs/xfs_iget.c | 13 +-
fs/xfs/xfs_inode.h | 4 +-
fs/xfs/xfs_inode_item.c | 6 +-
fs/xfs/xfs_log.c | 612 ++++++++++++++++++++--------------------------
fs/xfs/xfs_log.h | 16 +-
fs/xfs/xfs_log_priv.h | 28 +-
fs/xfs/xfs_log_recover.c | 4 +-
fs/xfs/xfs_trace.h | 22 +-
fs/xfs/xfs_trans.c | 31 ++-
fs/xfs/xfs_trans_ail.c | 83 +------
fs/xfs/xfs_trans_buf.c | 25 +--
fs/xfs/xfs_trans_dquot.c | 17 +-
fs/xfs/xfs_trans_priv.h | 3 -
15 files changed, 330 insertions(+), 548 deletions(-)
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