diff options
| author | Darrick J. Wong <djwong@kernel.org> | 2021-01-05 17:43:27 -0800 |
|---|---|---|
| committer | Darrick J. Wong <djwong@kernel.org> | 2021-03-25 17:08:17 -0700 |
| commit | 03fd592ee0a6f151749820cade3c538c4c8962a6 (patch) | |
| tree | 70015f41c109d52c58aa2f333aec94bbdea4753b /fs/xfs/xfs_sysfs.c | |
| parent | d3a6d08c0a5dcc964739322147f6c3cda2520a18 (diff) | |
xfs: add debug knobs to control btree bulk load slack factors
Add some debug knobs so that we can control the leaf and node block
slack when rebuilding btrees.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Diffstat (limited to 'fs/xfs/xfs_sysfs.c')
| -rw-r--r-- | fs/xfs/xfs_sysfs.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/fs/xfs/xfs_sysfs.c b/fs/xfs/xfs_sysfs.c index f1bc88f4367c..673ad21a9585 100644 --- a/fs/xfs/xfs_sysfs.c +++ b/fs/xfs/xfs_sysfs.c @@ -228,6 +228,58 @@ pwork_threads_show( XFS_SYSFS_ATTR_RW(pwork_threads); #endif /* DEBUG */ +STATIC ssize_t +bload_leaf_slack_store( + struct kobject *kobject, + const char *buf, + size_t count) +{ + int ret; + int val; + + ret = kstrtoint(buf, 0, &val); + if (ret) + return ret; + + xfs_globals.bload_leaf_slack = val; + return count; +} + +STATIC ssize_t +bload_leaf_slack_show( + struct kobject *kobject, + char *buf) +{ + return snprintf(buf, PAGE_SIZE, "%d\n", xfs_globals.bload_leaf_slack); +} +XFS_SYSFS_ATTR_RW(bload_leaf_slack); + +STATIC ssize_t +bload_node_slack_store( + struct kobject *kobject, + const char *buf, + size_t count) +{ + int ret; + int val; + + ret = kstrtoint(buf, 0, &val); + if (ret) + return ret; + + xfs_globals.bload_node_slack = val; + return count; +} + +STATIC ssize_t +bload_node_slack_show( + struct kobject *kobject, + char *buf) +{ + return snprintf(buf, PAGE_SIZE, "%d\n", xfs_globals.bload_node_slack); +} +XFS_SYSFS_ATTR_RW(bload_node_slack); + static struct attribute *xfs_dbg_attrs[] = { ATTR_LIST(bug_on_assert), ATTR_LIST(log_recovery_delay), @@ -236,6 +288,8 @@ static struct attribute *xfs_dbg_attrs[] = { #ifdef DEBUG ATTR_LIST(pwork_threads), #endif + ATTR_LIST(bload_leaf_slack), + ATTR_LIST(bload_node_slack), NULL, }; |