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xfs: remove SYNC_IOWAIT

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We want to wait for all I/O to finish when we do data integrity syncs.  So
there is no reason to keep SYNC_WAIT separate from SYNC_IOWAIT.  This
causes a little change in behaviour for the ENOSPC flushing code which now
does a second submission and wait of buffered I/O, but that should finish
ASAP as we already did an asynchronous writeout earlier.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
Reviewed-by: Eric Sandeen <sandeen@sandeen.net>
This commit is contained in:
Christoph Hellwig 2009-06-08 15:37:11 +02:00 • committed by Christoph Hellwig
parent 075fe10286
commit b0710ccc6d
2 changed files with 4 additions and 5 deletions
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fs/xfs/linux-2.6/xfs_sync.h
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@ -31,7 +31,6 @@ typedef struct xfs_sync_work {
#define SYNC_WAIT 0x0004 /* wait for i/o to complete */
#define SYNC_BDFLUSH 0x0008 /* BDFLUSH is calling -- don't block */
#define SYNC_IOWAIT 0x0010 /* wait for all I/O to complete */
#define SYNC_TRYLOCK 0x0020 /* only try to lock inodes */
int xfs_syncd_init(struct xfs_mount *mp);