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Commit b987e8e5 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs 

* 'for-linus' of git://oss.sgi.com/xfs/xfs:
  [XFS] Warn on transaction in flight on read-only remount
  xfs: Check buffer lengths in log recovery
  don't reallocate sxp variable passed into xfs_swapext
parents 52a84ec2 43f3f057

fs/xfs/linux-2.6/xfs_sync.c

+5 −1
Original line number Diff line number Diff line
@@ -371,7 +371,11 @@ xfs_quiesce_attr( 
	/* flush inodes and push all remaining buffers out to disk */

	xfs_quiesce_fs(mp);



	ASSERT_ALWAYS(atomic_read(&mp->m_active_trans) == 0);

	/*

	 * Just warn here till VFS can correctly support

	 * read-only remount without racing.

	 */

	WARN_ON(atomic_read(&mp->m_active_trans) != 0);



	/* Push the superblock and write an unmount record */

	error = xfs_log_sbcount(mp, 1);

fs/xfs/xfs_dfrag.c

+1 −9
Original line number Diff line number Diff line
@@ -55,17 +55,11 @@ xfs_swapext( 
	struct file	*file, *target_file;

	int		error = 0;



	sxp = kmem_alloc(sizeof(xfs_swapext_t), KM_MAYFAIL);

	if (!sxp) {

		error = XFS_ERROR(ENOMEM);

		goto out;

	}



	/* Pull information for the target fd */

	file = fget((int)sxp->sx_fdtarget);

	if (!file) {

		error = XFS_ERROR(EINVAL);

		goto out_free_sxp;

		goto out;

	}



	if (!(file->f_mode & FMODE_WRITE) || (file->f_flags & O_APPEND)) {
@@ -109,8 +103,6 @@ xfs_swapext( 
	fput(target_file);

 out_put_file:

	fput(file);

 out_free_sxp:

	kmem_free(sxp);

 out:

	return error;

}

fs/xfs/xfs_log_recover.c

+25 −6
Original line number Diff line number Diff line
@@ -70,16 +70,21 @@ STATIC void xlog_recover_check_summary(xlog_t *); 
xfs_buf_t *

xlog_get_bp(

	xlog_t		*log,

	int		num_bblks)

	int		nbblks)

{

	ASSERT(num_bblks > 0);

	if (nbblks <= 0 || nbblks > log->l_logBBsize) {

		xlog_warn("XFS: Invalid block length (0x%x) given for buffer", nbblks);

		XFS_ERROR_REPORT("xlog_get_bp(1)",

				 XFS_ERRLEVEL_HIGH, log->l_mp);

		return NULL;

	}



	if (log->l_sectbb_log) {

		if (num_bblks > 1)

			num_bblks += XLOG_SECTOR_ROUNDUP_BBCOUNT(log, 1);

		num_bblks = XLOG_SECTOR_ROUNDUP_BBCOUNT(log, num_bblks);

		if (nbblks > 1)

			nbblks += XLOG_SECTOR_ROUNDUP_BBCOUNT(log, 1);

		nbblks = XLOG_SECTOR_ROUNDUP_BBCOUNT(log, nbblks);

	}

	return xfs_buf_get_noaddr(BBTOB(num_bblks), log->l_mp->m_logdev_targp);

	return xfs_buf_get_noaddr(BBTOB(nbblks), log->l_mp->m_logdev_targp);

}



void
@@ -102,6 +107,13 @@ xlog_bread( 
{

	int		error;



	if (nbblks <= 0 || nbblks > log->l_logBBsize) {

		xlog_warn("XFS: Invalid block length (0x%x) given for buffer", nbblks);

		XFS_ERROR_REPORT("xlog_bread(1)",

				 XFS_ERRLEVEL_HIGH, log->l_mp);

		return EFSCORRUPTED;

	}



	if (log->l_sectbb_log) {

		blk_no = XLOG_SECTOR_ROUNDDOWN_BLKNO(log, blk_no);

		nbblks = XLOG_SECTOR_ROUNDUP_BBCOUNT(log, nbblks);
@@ -139,6 +151,13 @@ xlog_bwrite( 
{

	int		error;



	if (nbblks <= 0 || nbblks > log->l_logBBsize) {

		xlog_warn("XFS: Invalid block length (0x%x) given for buffer", nbblks);

		XFS_ERROR_REPORT("xlog_bwrite(1)",

				 XFS_ERRLEVEL_HIGH, log->l_mp);

		return EFSCORRUPTED;

	}



	if (log->l_sectbb_log) {

		blk_no = XLOG_SECTOR_ROUNDDOWN_BLKNO(log, blk_no);

		nbblks = XLOG_SECTOR_ROUNDUP_BBCOUNT(log, nbblks);