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-rw-r--r--fs/f2fs/sysfs.c50
1 files changed, 50 insertions, 0 deletions
diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
index 417fae9689..a7ec55c7bb 100644
--- a/fs/f2fs/sysfs.c
+++ b/fs/f2fs/sysfs.c
@@ -143,6 +143,33 @@ static ssize_t pending_discard_show(struct f2fs_attr *a,
&SM_I(sbi)->dcc_info->discard_cmd_cnt));
}
+static ssize_t issued_discard_show(struct f2fs_attr *a,
+ struct f2fs_sb_info *sbi, char *buf)
+{
+ if (!SM_I(sbi)->dcc_info)
+ return -EINVAL;
+ return sysfs_emit(buf, "%llu\n", (unsigned long long)atomic_read(
+ &SM_I(sbi)->dcc_info->issued_discard));
+}
+
+static ssize_t queued_discard_show(struct f2fs_attr *a,
+ struct f2fs_sb_info *sbi, char *buf)
+{
+ if (!SM_I(sbi)->dcc_info)
+ return -EINVAL;
+ return sysfs_emit(buf, "%llu\n", (unsigned long long)atomic_read(
+ &SM_I(sbi)->dcc_info->queued_discard));
+}
+
+static ssize_t undiscard_blks_show(struct f2fs_attr *a,
+ struct f2fs_sb_info *sbi, char *buf)
+{
+ if (!SM_I(sbi)->dcc_info)
+ return -EINVAL;
+ return sysfs_emit(buf, "%u\n",
+ SM_I(sbi)->dcc_info->undiscard_blks);
+}
+
static ssize_t gc_mode_show(struct f2fs_attr *a,
struct f2fs_sb_info *sbi, char *buf)
{
@@ -516,6 +543,13 @@ out:
return count;
}
+ if (!strcmp(a->attr.name, "discard_io_aware")) {
+ if (t >= DPOLICY_IO_AWARE_MAX)
+ return -EINVAL;
+ *ui = t;
+ return count;
+ }
+
if (!strcmp(a->attr.name, "migration_granularity")) {
if (t == 0 || t > sbi->segs_per_sec)
return -EINVAL;
@@ -734,6 +768,13 @@ out:
return count;
}
+ if (!strcmp(a->attr.name, "dir_level")) {
+ if (t > MAX_DIR_HASH_DEPTH)
+ return -EINVAL;
+ sbi->dir_level = t;
+ return count;
+ }
+
*ui = (unsigned int)t;
return count;
@@ -926,6 +967,7 @@ DCC_INFO_GENERAL_RW_ATTR(discard_io_aware_gran);
DCC_INFO_GENERAL_RW_ATTR(discard_urgent_util);
DCC_INFO_GENERAL_RW_ATTR(discard_granularity);
DCC_INFO_GENERAL_RW_ATTR(max_ordered_discard);
+DCC_INFO_GENERAL_RW_ATTR(discard_io_aware);
/* NM_INFO ATTR */
NM_INFO_RW_ATTR(max_roll_forward_node_blocks, max_rf_node_blocks);
@@ -1074,6 +1116,7 @@ static struct attribute *f2fs_attrs[] = {
ATTR_LIST(discard_urgent_util),
ATTR_LIST(discard_granularity),
ATTR_LIST(max_ordered_discard),
+ ATTR_LIST(discard_io_aware),
ATTR_LIST(pending_discard),
ATTR_LIST(gc_mode),
ATTR_LIST(ipu_policy),
@@ -1197,9 +1240,16 @@ ATTRIBUTE_GROUPS(f2fs_feat);
F2FS_GENERAL_RO_ATTR(sb_status);
F2FS_GENERAL_RO_ATTR(cp_status);
+F2FS_GENERAL_RO_ATTR(issued_discard);
+F2FS_GENERAL_RO_ATTR(queued_discard);
+F2FS_GENERAL_RO_ATTR(undiscard_blks);
+
static struct attribute *f2fs_stat_attrs[] = {
ATTR_LIST(sb_status),
ATTR_LIST(cp_status),
+ ATTR_LIST(issued_discard),
+ ATTR_LIST(queued_discard),
+ ATTR_LIST(undiscard_blks),
NULL,
};
ATTRIBUTE_GROUPS(f2fs_stat);