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path: root/fs/f2fs/sysfs.c
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Diffstat (limited to 'fs/f2fs/sysfs.c')
-rw-r--r--fs/f2fs/sysfs.c40
1 files changed, 36 insertions, 4 deletions
diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
index 8ac506671245..4c50aedd5144 100644
--- a/fs/f2fs/sysfs.c
+++ b/fs/f2fs/sysfs.c
@@ -41,6 +41,16 @@ enum {
ATGC_INFO, /* struct atgc_management */
};
+static const char *gc_mode_names[MAX_GC_MODE] = {
+ "GC_NORMAL",
+ "GC_IDLE_CB",
+ "GC_IDLE_GREEDY",
+ "GC_IDLE_AT",
+ "GC_URGENT_HIGH",
+ "GC_URGENT_LOW",
+ "GC_URGENT_MID"
+};
+
struct f2fs_attr {
struct attribute attr;
ssize_t (*show)(struct f2fs_attr *, struct f2fs_sb_info *, char *);
@@ -316,8 +326,13 @@ 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_urgent"))
+ return sysfs_emit(buf, "%s\n",
+ gc_mode_names[sbi->gc_mode]);
+
if (!strcmp(a->attr.name, "gc_segment_mode"))
- return sysfs_emit(buf, "%u\n", sbi->gc_segment_mode);
+ return sysfs_emit(buf, "%s\n",
+ gc_mode_names[sbi->gc_segment_mode]);
if (!strcmp(a->attr.name, "gc_reclaimed_segments")) {
return sysfs_emit(buf, "%u\n",
@@ -363,7 +378,7 @@ static ssize_t __sbi_store(struct f2fs_attr *a,
if (!strlen(name) || strlen(name) >= F2FS_EXTENSION_LEN)
return -EINVAL;
- down_write(&sbi->sb_lock);
+ f2fs_down_write(&sbi->sb_lock);
ret = f2fs_update_extension_list(sbi, name, hot, set);
if (ret)
@@ -373,7 +388,7 @@ static ssize_t __sbi_store(struct f2fs_attr *a,
if (ret)
f2fs_update_extension_list(sbi, name, hot, !set);
out:
- up_write(&sbi->sb_lock);
+ f2fs_up_write(&sbi->sb_lock);
return ret ? ret : count;
}
@@ -468,6 +483,13 @@ out:
}
} else if (t == 2) {
sbi->gc_mode = GC_URGENT_LOW;
+ } else if (t == 3) {
+ sbi->gc_mode = GC_URGENT_MID;
+ if (sbi->gc_thread) {
+ sbi->gc_thread->gc_wake = 1;
+ wake_up_interruptible_all(
+ &sbi->gc_thread->gc_wait_queue_head);
+ }
} else {
return -EINVAL;
}
@@ -481,7 +503,7 @@ out:
} else if (t == GC_IDLE_AT) {
if (!sbi->am.atgc_enabled)
return -EINVAL;
- sbi->gc_mode = GC_AT;
+ sbi->gc_mode = GC_IDLE_AT;
} else {
sbi->gc_mode = GC_NORMAL;
}
@@ -716,6 +738,10 @@ F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, gc_idle, gc_mode);
F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, gc_urgent, gc_mode);
F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, reclaim_segments, rec_prefree_segments);
F2FS_RW_ATTR(DCC_INFO, discard_cmd_control, max_small_discards, max_discards);
+F2FS_RW_ATTR(DCC_INFO, discard_cmd_control, max_discard_request, max_discard_request);
+F2FS_RW_ATTR(DCC_INFO, discard_cmd_control, min_discard_issue_time, min_discard_issue_time);
+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(RESERVED_BLOCKS, f2fs_sb_info, reserved_blocks, reserved_blocks);
F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, batched_trim_sections, trim_sections);
@@ -728,6 +754,7 @@ F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, min_ssr_sections, min_ssr_sections);
F2FS_RW_ATTR(NM_INFO, f2fs_nm_info, ram_thresh, ram_thresh);
F2FS_RW_ATTR(NM_INFO, f2fs_nm_info, ra_nid_pages, ra_nid_pages);
F2FS_RW_ATTR(NM_INFO, f2fs_nm_info, dirty_nats_ratio, dirty_nats_ratio);
+F2FS_RW_ATTR(NM_INFO, f2fs_nm_info, max_roll_forward_node_blocks, max_rf_node_blocks);
F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, max_victim_search, max_victim_search);
F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, migration_granularity, migration_granularity);
F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, dir_level, dir_level);
@@ -832,6 +859,10 @@ static struct attribute *f2fs_attrs[] = {
ATTR_LIST(reclaim_segments),
ATTR_LIST(main_blkaddr),
ATTR_LIST(max_small_discards),
+ ATTR_LIST(max_discard_request),
+ ATTR_LIST(min_discard_issue_time),
+ ATTR_LIST(mid_discard_issue_time),
+ ATTR_LIST(max_discard_issue_time),
ATTR_LIST(discard_granularity),
ATTR_LIST(pending_discard),
ATTR_LIST(batched_trim_sections),
@@ -847,6 +878,7 @@ static struct attribute *f2fs_attrs[] = {
ATTR_LIST(ram_thresh),
ATTR_LIST(ra_nid_pages),
ATTR_LIST(dirty_nats_ratio),
+ ATTR_LIST(max_roll_forward_node_blocks),
ATTR_LIST(cp_interval),
ATTR_LIST(idle_interval),
ATTR_LIST(discard_idle_interval),