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Diffstat (limited to 'fs/f2fs/sysfs.c')
-rw-r--r--fs/f2fs/sysfs.c156
1 files changed, 56 insertions, 100 deletions
diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
index daad532a4e2b..a32fe31c33b8 100644
--- a/fs/f2fs/sysfs.c
+++ b/fs/f2fs/sysfs.c
@@ -17,6 +17,7 @@
#include "f2fs.h"
#include "segment.h"
#include "gc.h"
+#include "iostat.h"
#include <trace/events/f2fs.h>
static struct proc_dir_entry *f2fs_proc_root;
@@ -307,6 +308,14 @@ static ssize_t f2fs_sbi_show(struct f2fs_attr *a,
return sysfs_emit(buf, "%u\n", sbi->compr_new_inode);
#endif
+ if (!strcmp(a->attr.name, "gc_segment_mode"))
+ return sysfs_emit(buf, "%u\n", sbi->gc_segment_mode);
+
+ if (!strcmp(a->attr.name, "gc_reclaimed_segments")) {
+ return sysfs_emit(buf, "%u\n",
+ sbi->gc_reclaimed_segs[sbi->gc_segment_mode]);
+ }
+
ui = (unsigned int *)(ptr + a->offset);
return sprintf(buf, "%u\n", *ui);
@@ -343,7 +352,7 @@ static ssize_t __sbi_store(struct f2fs_attr *a,
set = false;
}
- if (strlen(name) >= F2FS_EXTENSION_LEN)
+ if (!strlen(name) || strlen(name) >= F2FS_EXTENSION_LEN)
return -EINVAL;
down_write(&sbi->sb_lock);
@@ -420,6 +429,8 @@ out:
if (!strcmp(a->attr.name, "discard_granularity")) {
if (t == 0 || t > MAX_PLIST_NUM)
return -EINVAL;
+ if (!f2fs_block_unit_discard(sbi))
+ return -EINVAL;
if (t == *ui)
return count;
*ui = t;
@@ -467,6 +478,7 @@ out:
return count;
}
+#ifdef CONFIG_F2FS_IOSTAT
if (!strcmp(a->attr.name, "iostat_enable")) {
sbi->iostat_enable = !!t;
if (!sbi->iostat_enable)
@@ -482,6 +494,7 @@ out:
spin_unlock(&sbi->iostat_lock);
return count;
}
+#endif
#ifdef CONFIG_F2FS_FS_COMPRESSION
if (!strcmp(a->attr.name, "compr_written_block") ||
@@ -515,6 +528,29 @@ out:
return count;
}
+ if (!strcmp(a->attr.name, "gc_segment_mode")) {
+ if (t < MAX_GC_MODE)
+ sbi->gc_segment_mode = t;
+ else
+ return -EINVAL;
+ return count;
+ }
+
+ if (!strcmp(a->attr.name, "gc_reclaimed_segments")) {
+ if (t != 0)
+ return -EINVAL;
+ sbi->gc_reclaimed_segs[sbi->gc_segment_mode] = 0;
+ return count;
+ }
+
+ if (!strcmp(a->attr.name, "seq_file_ra_mul")) {
+ if (t >= MIN_RA_MUL && t <= MAX_RA_MUL)
+ sbi->seq_file_ra_mul = t;
+ else
+ return -EINVAL;
+ return count;
+ }
+
*ui = (unsigned int)t;
return count;
@@ -667,8 +703,10 @@ F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, discard_idle_interval,
F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, gc_idle_interval, interval_time[GC_TIME]);
F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info,
umount_discard_timeout, interval_time[UMOUNT_DISCARD_TIMEOUT]);
+#ifdef CONFIG_F2FS_IOSTAT
F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, iostat_enable, iostat_enable);
F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, iostat_period_ms, iostat_period_ms);
+#endif
F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, readdir_ra, readdir_ra);
F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, max_io_bytes, max_io_bytes);
F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, gc_pin_file_thresh, gc_pin_file_threshold);
@@ -740,6 +778,10 @@ F2FS_RW_ATTR(ATGC_INFO, atgc_management, atgc_candidate_count, max_candidate_cou
F2FS_RW_ATTR(ATGC_INFO, atgc_management, atgc_age_weight, age_weight);
F2FS_RW_ATTR(ATGC_INFO, atgc_management, atgc_age_threshold, age_threshold);
+F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, seq_file_ra_mul, seq_file_ra_mul);
+F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, gc_segment_mode, gc_segment_mode);
+F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, gc_reclaimed_segments, gc_reclaimed_segs);
+
#define ATTR_LIST(name) (&f2fs_attr_##name.attr)
static struct attribute *f2fs_attrs[] = {
ATTR_LIST(gc_urgent_sleep_time),
@@ -770,8 +812,10 @@ static struct attribute *f2fs_attrs[] = {
ATTR_LIST(discard_idle_interval),
ATTR_LIST(gc_idle_interval),
ATTR_LIST(umount_discard_timeout),
+#ifdef CONFIG_F2FS_IOSTAT
ATTR_LIST(iostat_enable),
ATTR_LIST(iostat_period_ms),
+#endif
ATTR_LIST(readdir_ra),
ATTR_LIST(max_io_bytes),
ATTR_LIST(gc_pin_file_thresh),
@@ -812,6 +856,9 @@ static struct attribute *f2fs_attrs[] = {
ATTR_LIST(atgc_candidate_count),
ATTR_LIST(atgc_age_weight),
ATTR_LIST(atgc_age_threshold),
+ ATTR_LIST(seq_file_ra_mul),
+ ATTR_LIST(gc_segment_mode),
+ ATTR_LIST(gc_reclaimed_segments),
NULL,
};
ATTRIBUTE_GROUPS(f2fs);
@@ -1036,101 +1083,6 @@ static int __maybe_unused segment_bits_seq_show(struct seq_file *seq,
return 0;
}
-void f2fs_record_iostat(struct f2fs_sb_info *sbi)
-{
- unsigned long long iostat_diff[NR_IO_TYPE];
- int i;
-
- if (time_is_after_jiffies(sbi->iostat_next_period))
- return;
-
- /* Need double check under the lock */
- spin_lock(&sbi->iostat_lock);
- if (time_is_after_jiffies(sbi->iostat_next_period)) {
- spin_unlock(&sbi->iostat_lock);
- return;
- }
- sbi->iostat_next_period = jiffies +
- msecs_to_jiffies(sbi->iostat_period_ms);
-
- for (i = 0; i < NR_IO_TYPE; i++) {
- iostat_diff[i] = sbi->rw_iostat[i] -
- sbi->prev_rw_iostat[i];
- sbi->prev_rw_iostat[i] = sbi->rw_iostat[i];
- }
- spin_unlock(&sbi->iostat_lock);
-
- trace_f2fs_iostat(sbi, iostat_diff);
-}
-
-static int __maybe_unused iostat_info_seq_show(struct seq_file *seq,
- void *offset)
-{
- struct super_block *sb = seq->private;
- struct f2fs_sb_info *sbi = F2FS_SB(sb);
- time64_t now = ktime_get_real_seconds();
-
- if (!sbi->iostat_enable)
- return 0;
-
- seq_printf(seq, "time: %-16llu\n", now);
-
- /* print app write IOs */
- seq_puts(seq, "[WRITE]\n");
- seq_printf(seq, "app buffered: %-16llu\n",
- sbi->rw_iostat[APP_BUFFERED_IO]);
- seq_printf(seq, "app direct: %-16llu\n",
- sbi->rw_iostat[APP_DIRECT_IO]);
- seq_printf(seq, "app mapped: %-16llu\n",
- sbi->rw_iostat[APP_MAPPED_IO]);
-
- /* print fs write IOs */
- seq_printf(seq, "fs data: %-16llu\n",
- sbi->rw_iostat[FS_DATA_IO]);
- seq_printf(seq, "fs node: %-16llu\n",
- sbi->rw_iostat[FS_NODE_IO]);
- seq_printf(seq, "fs meta: %-16llu\n",
- sbi->rw_iostat[FS_META_IO]);
- seq_printf(seq, "fs gc data: %-16llu\n",
- sbi->rw_iostat[FS_GC_DATA_IO]);
- seq_printf(seq, "fs gc node: %-16llu\n",
- sbi->rw_iostat[FS_GC_NODE_IO]);
- seq_printf(seq, "fs cp data: %-16llu\n",
- sbi->rw_iostat[FS_CP_DATA_IO]);
- seq_printf(seq, "fs cp node: %-16llu\n",
- sbi->rw_iostat[FS_CP_NODE_IO]);
- seq_printf(seq, "fs cp meta: %-16llu\n",
- sbi->rw_iostat[FS_CP_META_IO]);
-
- /* print app read IOs */
- seq_puts(seq, "[READ]\n");
- seq_printf(seq, "app buffered: %-16llu\n",
- sbi->rw_iostat[APP_BUFFERED_READ_IO]);
- seq_printf(seq, "app direct: %-16llu\n",
- sbi->rw_iostat[APP_DIRECT_READ_IO]);
- seq_printf(seq, "app mapped: %-16llu\n",
- sbi->rw_iostat[APP_MAPPED_READ_IO]);
-
- /* print fs read IOs */
- seq_printf(seq, "fs data: %-16llu\n",
- sbi->rw_iostat[FS_DATA_READ_IO]);
- seq_printf(seq, "fs gc data: %-16llu\n",
- sbi->rw_iostat[FS_GDATA_READ_IO]);
- seq_printf(seq, "fs compr_data: %-16llu\n",
- sbi->rw_iostat[FS_CDATA_READ_IO]);
- seq_printf(seq, "fs node: %-16llu\n",
- sbi->rw_iostat[FS_NODE_READ_IO]);
- seq_printf(seq, "fs meta: %-16llu\n",
- sbi->rw_iostat[FS_META_READ_IO]);
-
- /* print other IOs */
- seq_puts(seq, "[OTHER]\n");
- seq_printf(seq, "fs discard: %-16llu\n",
- sbi->rw_iostat[FS_DISCARD]);
-
- return 0;
-}
-
static int __maybe_unused victim_bits_seq_show(struct seq_file *seq,
void *offset)
{
@@ -1213,13 +1165,15 @@ int f2fs_register_sysfs(struct f2fs_sb_info *sbi)
sbi->s_proc = proc_mkdir(sb->s_id, f2fs_proc_root);
if (sbi->s_proc) {
- proc_create_single_data("segment_info", S_IRUGO, sbi->s_proc,
+ proc_create_single_data("segment_info", 0444, sbi->s_proc,
segment_info_seq_show, sb);
- proc_create_single_data("segment_bits", S_IRUGO, sbi->s_proc,
+ proc_create_single_data("segment_bits", 0444, sbi->s_proc,
segment_bits_seq_show, sb);
- proc_create_single_data("iostat_info", S_IRUGO, sbi->s_proc,
+#ifdef CONFIG_F2FS_IOSTAT
+ proc_create_single_data("iostat_info", 0444, sbi->s_proc,
iostat_info_seq_show, sb);
- proc_create_single_data("victim_bits", S_IRUGO, sbi->s_proc,
+#endif
+ proc_create_single_data("victim_bits", 0444, sbi->s_proc,
victim_bits_seq_show, sb);
}
return 0;
@@ -1238,7 +1192,9 @@ put_sb_kobj:
void f2fs_unregister_sysfs(struct f2fs_sb_info *sbi)
{
if (sbi->s_proc) {
+#ifdef CONFIG_F2FS_IOSTAT
remove_proc_entry("iostat_info", sbi->s_proc);
+#endif
remove_proc_entry("segment_info", sbi->s_proc);
remove_proc_entry("segment_bits", sbi->s_proc);
remove_proc_entry("victim_bits", sbi->s_proc);
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-07 08:32:39 +0300