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Commit 80de462e authored by Darrick J. Wong's avatar Darrick J. Wong
Browse files

xfs: increase log reservations for reflink 



Increase the log reservations to handle the increased rolling that
happens at the end of copy-on-write operations.

Signed-off-by: default avatarDarrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
parent 83104d44

fs/xfs/libxfs/xfs_trans_resv.c

+13 −3
Original line number Diff line number Diff line
@@ -812,10 +812,17 @@ xfs_trans_resv_calc( 
	 * require a permanent reservation on space.

	 */

	resp->tr_write.tr_logres = xfs_calc_write_reservation(mp);

	if (xfs_sb_version_hasreflink(&mp->m_sb))

		resp->tr_write.tr_logcount = XFS_WRITE_LOG_COUNT_REFLINK;

	else

		resp->tr_write.tr_logcount = XFS_WRITE_LOG_COUNT;

	resp->tr_write.tr_logflags |= XFS_TRANS_PERM_LOG_RES;



	resp->tr_itruncate.tr_logres = xfs_calc_itruncate_reservation(mp);

	if (xfs_sb_version_hasreflink(&mp->m_sb))

		resp->tr_itruncate.tr_logcount =

				XFS_ITRUNCATE_LOG_COUNT_REFLINK;

	else

		resp->tr_itruncate.tr_logcount = XFS_ITRUNCATE_LOG_COUNT;

	resp->tr_itruncate.tr_logflags |= XFS_TRANS_PERM_LOG_RES;
@@ -873,6 +880,9 @@ xfs_trans_resv_calc( 
	resp->tr_growrtalloc.tr_logflags |= XFS_TRANS_PERM_LOG_RES;



	resp->tr_qm_dqalloc.tr_logres = xfs_calc_qm_dqalloc_reservation(mp);

	if (xfs_sb_version_hasreflink(&mp->m_sb))

		resp->tr_qm_dqalloc.tr_logcount = XFS_WRITE_LOG_COUNT_REFLINK;

	else

		resp->tr_qm_dqalloc.tr_logcount = XFS_WRITE_LOG_COUNT;

	resp->tr_qm_dqalloc.tr_logflags |= XFS_TRANS_PERM_LOG_RES;

fs/xfs/libxfs/xfs_trans_resv.h

+2 −0
Original line number Diff line number Diff line
@@ -87,6 +87,7 @@ struct xfs_trans_resv { 
#define	XFS_DEFAULT_LOG_COUNT		1

#define	XFS_DEFAULT_PERM_LOG_COUNT	2

#define	XFS_ITRUNCATE_LOG_COUNT		2

#define	XFS_ITRUNCATE_LOG_COUNT_REFLINK	8

#define XFS_INACTIVE_LOG_COUNT		2

#define	XFS_CREATE_LOG_COUNT		2

#define	XFS_CREATE_TMPFILE_LOG_COUNT	2
@@ -96,6 +97,7 @@ struct xfs_trans_resv { 
#define	XFS_LINK_LOG_COUNT		2

#define	XFS_RENAME_LOG_COUNT		2

#define	XFS_WRITE_LOG_COUNT		2

#define	XFS_WRITE_LOG_COUNT_REFLINK	8

#define	XFS_ADDAFORK_LOG_COUNT		2

#define	XFS_ATTRINVAL_LOG_COUNT		1

#define	XFS_ATTRSET_LOG_COUNT		3