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9e978d8 "xfs: fix error handling for synchronous writes" revisited
e44f411 xfs: set cursor in xfs_ail_splice() even when AIL was empty
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commit 9e978d8f7db1c5de7cdc6450a8ca208db3b95f84
Author: Ajeet Yadav <ajeet.yadav.77@xxxxxxxxx>
Date: Fri Jul 29 07:42:59 2011 +0000
"xfs: fix error handling for synchronous writes" revisited
xfs: fix for hang during synchronous buffer write error
If removed storage while synchronous buffer write underway,
"xfslogd" hangs.
Detailed log http://oss.sgi.com/archives/xfs/2011-07/msg00740.html
Related work bfc60177f8ab509bc225becbb58f7e53a0e33e81
"xfs: fix error handling for synchronous writes"
Given that xfs_bwrite actually does the shutdown already after
waiting for the b_iodone completion and given that we actually
found that calling xfs_force_shutdown from inside
xfs_buf_iodone_callbacks was a major contributor the problem
it better to drop this call.
Signed-off-by: Ajeet Yadav <ajeet.yadav.77@xxxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Alex Elder <aelder@xxxxxxx>
commit e44f4112a46ca817fe2758aac7bf7893a64a8c0e
Author: Alex Elder <aelder@xxxxxxx>
Date: Fri Jul 22 16:04:41 2011 +0000
xfs: set cursor in xfs_ail_splice() even when AIL was empty
In xfs_ail_splice(), if a cursor is provided it is updated to
point to the last item on the list being spliced into the AIL.
But if the AIL was found to be empty, the cursor (if provided)
is just initialized instead.
There is no reason the empty AIL case needs to be treated any
differently. And treating it the same way allows this code
to be rearranged a bit, with a somewhat tidier result.
Signed-off-by: Alex Elder <aelder@xxxxxxx>
Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx>
-----------------------------------------------------------------------
Summary of changes:
fs/xfs/xfs_buf_item.c | 1 -
fs/xfs/xfs_trans_ail.c | 67 ++++++++++++++++++++---------------------------
2 files changed, 29 insertions(+), 39 deletions(-)
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