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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: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Darrick J. Wong 2016-10-03 09:11:47 -07:00
parent 83104d449e
commit 80de462e09
2 changed files with 15 additions and 3 deletions
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16
fs/xfs/libxfs/xfs_trans_resv.c
View File

@ -812,11 +812,18 @@ xfs_trans_resv_calc(
* require a permanent reservation on space.
*/
resp->tr_write.tr_logres = xfs_calc_write_reservation(mp);
resp->tr_write.tr_logcount = XFS_WRITE_LOG_COUNT;
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);
resp->tr_itruncate.tr_logcount = XFS_ITRUNCATE_LOG_COUNT;
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;
resp->tr_rename.tr_logres = xfs_calc_rename_reservation(mp);
@ -873,7 +880,10 @@ 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);
resp->tr_qm_dqalloc.tr_logcount = XFS_WRITE_LOG_COUNT;
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;
/*

2
fs/xfs/libxfs/xfs_trans_resv.h
View File

@ -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