diff options
Diffstat (limited to 'fs/f2fs/sysfs.c')
| -rw-r--r-- | fs/f2fs/sysfs.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c index 417fae96890f..a7ec55c7bb20 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); |