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authorYangtao Li <frank.li@vivo.com>2022-10-25 16:32:26 +0800
committerJaegeuk Kim <jaegeuk@kernel.org>2022-11-01 17:56:03 -0700
commitc46867e9b9b8e0cdd6a5212c2b5ae616583a3bfd (patch)
tree5a3e72e9c7eb4ed9c78f71ac1d6a520651951bc8 /fs/f2fs/sysfs.c
parenta995627e6dd81d4485d40ce64880017a080d71e6 (diff)
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f2fs: introduce max_ordered_discard sysfs node
The current max_ordered_discard is a fixed value, change it to be configurable through the sys node. Signed-off-by: Yangtao Li <frank.li@vivo.com> Reviewed-by: Chao Yu <chao@kernel.org> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/sysfs.c')
-rw-r--r--fs/f2fs/sysfs.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
index 926b7a844362..8095345ebdad 100644
--- a/fs/f2fs/sysfs.c
+++ b/fs/f2fs/sysfs.c
@@ -483,6 +483,15 @@ out:
return count;
}
+ if (!strcmp(a->attr.name, "max_ordered_discard")) {
+ if (t == 0 || t > MAX_PLIST_NUM)
+ return -EINVAL;
+ if (!f2fs_block_unit_discard(sbi))
+ return -EINVAL;
+ *ui = t;
+ return count;
+ }
+
if (!strcmp(a->attr.name, "migration_granularity")) {
if (t == 0 || t > sbi->segs_per_sec)
return -EINVAL;
@@ -786,6 +795,7 @@ F2FS_RW_ATTR(DCC_INFO, discard_cmd_control, min_discard_issue_time, min_discard_
F2FS_RW_ATTR(DCC_INFO, discard_cmd_control, mid_discard_issue_time, mid_discard_issue_time);
F2FS_RW_ATTR(DCC_INFO, discard_cmd_control, max_discard_issue_time, max_discard_issue_time);
F2FS_RW_ATTR(DCC_INFO, discard_cmd_control, discard_granularity, discard_granularity);
+F2FS_RW_ATTR(DCC_INFO, discard_cmd_control, max_ordered_discard, max_ordered_discard);
F2FS_RW_ATTR(RESERVED_BLOCKS, f2fs_sb_info, reserved_blocks, reserved_blocks);
F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, ipu_policy, ipu_policy);
F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, min_ipu_util, min_ipu_util);
@@ -914,6 +924,7 @@ static struct attribute *f2fs_attrs[] = {
ATTR_LIST(mid_discard_issue_time),
ATTR_LIST(max_discard_issue_time),
ATTR_LIST(discard_granularity),
+ ATTR_LIST(max_ordered_discard),
ATTR_LIST(pending_discard),
ATTR_LIST(ipu_policy),
ATTR_LIST(min_ipu_util),