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[XFS] add xfs_setup_devices helper

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Split setting the block and sector size out of xfs_fs_fill_super into a
small helper to make xfs_fs_fill_super more readable.

SGI-PV: 981951
SGI-Modid: xfs-linux-melb:xfs-kern:31194a

Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
This commit is contained in:
Christoph Hellwig 2008-05-20 15:10:36 +10:00 committed by Niv Sardi
parent 19f354d4c3
commit e34b562c6b
1 changed files with 35 additions and 23 deletions
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58
fs/xfs/linux-2.6/xfs_super.c
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@ -861,7 +861,41 @@ xfs_open_devices(
return error;
}
/*
* Setup xfs_mount buffer target pointers based on superblock
*/
STATIC int
xfs_setup_devices(
struct xfs_mount *mp)
{
int error;
error = xfs_setsize_buftarg(mp->m_ddev_targp, mp->m_sb.sb_blocksize,
mp->m_sb.sb_sectsize);
if (error)
return error;
if (mp->m_logdev_targp && mp->m_logdev_targp != mp->m_ddev_targp) {
unsigned int log_sector_size = BBSIZE;
if (xfs_sb_version_hassector(&mp->m_sb))
log_sector_size = mp->m_sb.sb_logsectsize;
error = xfs_setsize_buftarg(mp->m_logdev_targp,
mp->m_sb.sb_blocksize,
log_sector_size);
if (error)
return error;
}
if (mp->m_rtdev_targp) {
error = xfs_setsize_buftarg(mp->m_rtdev_targp,
mp->m_sb.sb_blocksize,
mp->m_sb.sb_sectsize);
if (error)
return error;
}
return 0;
}
/*
* XFS AIL push thread support
@ -1742,31 +1776,9 @@ xfs_fs_fill_super(
if (error)
goto error2;
/*
* Setup xfs_mount buffer target pointers based on superblock
*/
error = xfs_setsize_buftarg(mp->m_ddev_targp, mp->m_sb.sb_blocksize,
mp->m_sb.sb_sectsize);
error = xfs_setup_devices(mp);
if (error)
goto error2;
if (mp->m_logdev_targp && mp->m_logdev_targp != mp->m_ddev_targp) {
unsigned int log_sector_size = BBSIZE;
if (xfs_sb_version_hassector(&mp->m_sb))
log_sector_size = mp->m_sb.sb_logsectsize;
error = xfs_setsize_buftarg(mp->m_logdev_targp,
mp->m_sb.sb_blocksize,
log_sector_size);
if (error)
goto error2;
}
if (mp->m_rtdev_targp) {
error = xfs_setsize_buftarg(mp->m_rtdev_targp,
mp->m_sb.sb_blocksize,
mp->m_sb.sb_sectsize);
if (error)
goto error2;
}
if (mp->m_flags & XFS_MOUNT_BARRIER)
xfs_mountfs_check_barriers(mp);