xfs: mark dquot buffers in cache

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dquot buffers always have write IO callbacks, so by marking them
directly we can avoid needing to attach ->b_iodone functions to
them. This avoids an indirect call, and makes future modifications
much simpler.

This is largely a rearrangement of the code at this point - no IO
completion functionality changes at this point, just how the
code is run is modified.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>

...

This commit is contained in:

Dave Chinner 2020-06-29 14:48:46 -07:00 • committed by Darrick J. Wong

parent f593bf144c

commit 0c7e5afbea

6 changed files with 20 additions and 0 deletions

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5

fs/xfs/xfs_buf.c

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2

fs/xfs/xfs_buf.h

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10

fs/xfs/xfs_buf_item.c

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1

fs/xfs/xfs_buf_item.h

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fs/xfs/xfs_dquot.c

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1

fs/xfs/xfs_trans_buf.c

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