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authorNathan Scott <nathans@sgi.com>2006-06-09 14:57:30 +1000
committerNathan Scott <nathans@sgi.com>2006-06-09 14:57:30 +1000
commit3d80ede4799889ede2aa785c2511aef3e78d5bb1 (patch)
treea35aeeb3cc34871e65d0368b011831a96b5a9a70 /fs
parent72c93bcc6348a385416603459c2fdb4cf6c43687 (diff)
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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>
Diffstat (limited to 'fs')
-rw-r--r--fs/xfs/linux-2.6/xfs_lrw.c17
1 files changed, 3 insertions, 14 deletions
diff --git a/fs/xfs/linux-2.6/xfs_lrw.c b/fs/xfs/linux-2.6/xfs_lrw.c
index 67b5e1c20de..6fbdca3eaa7 100644
--- a/fs/xfs/linux-2.6/xfs_lrw.c
+++ b/fs/xfs/linux-2.6/xfs_lrw.c
@@ -510,7 +510,6 @@ xfs_zero_eof(
xfs_fileoff_t end_zero_fsb;
xfs_fileoff_t zero_count_fsb;
xfs_fileoff_t last_fsb;
- xfs_extlen_t buf_len_fsb;
xfs_mount_t *mp = io->io_mount;
int nimaps;
int error = 0;
@@ -579,16 +578,7 @@ xfs_zero_eof(
}
/*
- * There are blocks in the range requested.
- * 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);
- /*
+ * There are blocks we need to zero.
* Drop the inode lock while we're doing the I/O.
* We'll still have the iolock to protect us.
*/
@@ -596,14 +586,13 @@ xfs_zero_eof(
error = xfs_iozero(ip,
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);
-
if (error) {
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));
XFS_ILOCK(mp, io, XFS_ILOCK_EXCL|XFS_EXTSIZE_RD);