Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-22 12:11:40 +00:00
Code Issues Packages Projects Releases Wiki Activity

xfs: Add larp debug option

Browse Source 
This patch adds a debug option to enable log attribute replay. Eventually
this can be removed when delayed attrs becomes permanent.

Signed-off-by: Allison Henderson <allison.henderson@oracle.com>
Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Allison Henderson 2022-05-11 17:01:22 +10:00 committed by Dave Chinner
parent abd61ca3c3
commit 535e2f75c4
4 changed files with 30 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
fs/xfs/libxfs/xfs_attr.h
View File

@ -30,7 +30,11 @@ struct xfs_attr_list_context;
static inline bool xfs_has_larp(struct xfs_mount *mp)
{
#ifdef DEBUG
return xfs_globals.larp;
#else
return false;
#endif
}
/*

1
fs/xfs/xfs_globals.c
View File

@ -41,5 +41,6 @@ struct xfs_globals xfs_globals = {
#endif
#ifdef DEBUG
.pwork_threads = -1, /* automatic thread detection */
.larp = false, /* log attribute replay */
#endif
};

1
fs/xfs/xfs_sysctl.h
View File

@ -83,6 +83,7 @@ extern xfs_param_t xfs_params;
struct xfs_globals {
#ifdef DEBUG
int pwork_threads; /* parallel workqueue threads */
bool larp; /* log attribute replay */
#endif
int log_recovery_delay; /* log recovery delay (secs) */
int mount_delay; /* mount setup delay (secs) */

24
fs/xfs/xfs_sysfs.c
View File

@ -228,6 +228,29 @@ pwork_threads_show(
return sysfs_emit(buf, "%d\n", xfs_globals.pwork_threads);
}
XFS_SYSFS_ATTR_RW(pwork_threads);
static ssize_t
larp_store(
struct kobject *kobject,
const char *buf,
size_t count)
{
ssize_t ret;
ret = kstrtobool(buf, &xfs_globals.larp);
if (ret < 0)
return ret;
return count;
}
STATIC ssize_t
larp_show(
struct kobject *kobject,
char *buf)
{
return snprintf(buf, PAGE_SIZE, "%d\n", xfs_globals.larp);
}
XFS_SYSFS_ATTR_RW(larp);
#endif /* DEBUG */
static struct attribute *xfs_dbg_attrs[] = {
@ -237,6 +260,7 @@ static struct attribute *xfs_dbg_attrs[] = {
ATTR_LIST(always_cow),
#ifdef DEBUG
ATTR_LIST(pwork_threads),
ATTR_LIST(larp),
#endif
NULL,
};