mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-13 23:34:05 +08:00
[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:
parent
72c93bcc63
commit
3d80ede479
@ -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);
|
||||
|
Loading…
Reference in New Issue
Block a user