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[XFS] Drop use of m_writeio_blocks when zeroing, its not meaningful 

anymore here.

SGI-PV: 904196
SGI-Modid: xfs-linux-melb:xfs-kern:26094a

Signed-off-by: Nathan Scott <nathans@sgi.com>
This commit is contained in:
Nathan Scott 2006-06-09 14:57:30 +10:00
parent 72c93bcc63
commit 3d80ede479
1 changed files with 3 additions and 14 deletions
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17
fs/xfs/linux-2.6/xfs_lrw.c
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@ -510,7 +510,6 @@ xfs_zero_eof(
xfs_fileoff_t end_zero_fsb; xfs_fileoff_t end_zero_fsb;
xfs_fileoff_t zero_count_fsb; xfs_fileoff_t zero_count_fsb;
xfs_fileoff_t last_fsb; xfs_fileoff_t last_fsb;
xfs_extlen_t buf_len_fsb;
xfs_mount_t *mp = io->io_mount; xfs_mount_t *mp = io->io_mount;
int nimaps; int nimaps;
int error = 0; int error = 0;
@ -579,16 +578,7 @@ xfs_zero_eof(
} }
/* /*
* There are blocks in the range requested. * There are blocks we need to zero.
* Zero them a single write at a time. We actually
* don't zero the entire range returned if it is
* too big and simply loop around to get the rest.
* That is not the most efficient thing to do, but it
* is simple and this path should not be exercised often.
*/
buf_len_fsb = XFS_FILBLKS_MIN(imap.br_blockcount,
mp->m_writeio_blocks << 8);
/*
* Drop the inode lock while we're doing the I/O. * Drop the inode lock while we're doing the I/O.
* We'll still have the iolock to protect us. * We'll still have the iolock to protect us.
*/ */
@ -596,14 +586,13 @@ xfs_zero_eof(
error = xfs_iozero(ip, error = xfs_iozero(ip,
XFS_FSB_TO_B(mp, start_zero_fsb), XFS_FSB_TO_B(mp, start_zero_fsb),
XFS_FSB_TO_B(mp, buf_len_fsb), XFS_FSB_TO_B(mp, imap.br_blockcount),
end_size); end_size);
if (error) { if (error) {
goto out_lock; goto out_lock;
} }
start_zero_fsb = imap.br_startoff + buf_len_fsb; start_zero_fsb = imap.br_startoff + imap.br_blockcount;
ASSERT(start_zero_fsb <= (end_zero_fsb + 1)); ASSERT(start_zero_fsb <= (end_zero_fsb + 1));
XFS_ILOCK(mp, io, XFS_ILOCK_EXCL|XFS_EXTSIZE_RD); XFS_ILOCK(mp, io, XFS_ILOCK_EXCL|XFS_EXTSIZE_RD);