Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
index 81c0e53..b558b64 100644
--- a/fs/f2fs/sysfs.c
+++ b/fs/f2fs/sysfs.c
@@ -1,18 +1,16 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* f2fs sysfs interface
*
* Copyright (c) 2012 Samsung Electronics Co., Ltd.
* http://www.samsung.com/
* Copyright (c) 2017 Chao Yu <chao@kernel.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/compiler.h>
#include <linux/proc_fs.h>
#include <linux/f2fs_fs.h>
#include <linux/seq_file.h>
+#include <linux/unicode.h>
#include "f2fs.h"
#include "segment.h"
@@ -71,6 +69,33 @@
(unsigned long long)(dirty_segments(sbi)));
}
+static ssize_t unusable_show(struct f2fs_attr *a,
+ struct f2fs_sb_info *sbi, char *buf)
+{
+ block_t unusable;
+
+ if (test_opt(sbi, DISABLE_CHECKPOINT))
+ unusable = sbi->unusable_block_count;
+ else
+ unusable = f2fs_get_unusable_blocks(sbi);
+ return snprintf(buf, PAGE_SIZE, "%llu\n",
+ (unsigned long long)unusable);
+}
+
+static ssize_t encoding_show(struct f2fs_attr *a,
+ struct f2fs_sb_info *sbi, char *buf)
+{
+#ifdef CONFIG_UNICODE
+ if (f2fs_sb_has_casefold(sbi))
+ return snprintf(buf, PAGE_SIZE, "%s (%d.%d.%d)\n",
+ sbi->s_encoding->charset,
+ (sbi->s_encoding->version >> 16) & 0xff,
+ (sbi->s_encoding->version >> 8) & 0xff,
+ sbi->s_encoding->version & 0xff);
+#endif
+ return snprintf(buf, PAGE_SIZE, "(none)");
+}
+
static ssize_t lifetime_write_kbytes_show(struct f2fs_attr *a,
struct f2fs_sb_info *sbi, char *buf)
{
@@ -93,33 +118,42 @@
if (!sb->s_bdev->bd_part)
return snprintf(buf, PAGE_SIZE, "0\n");
- if (f2fs_sb_has_encrypt(sb))
+ if (f2fs_sb_has_encrypt(sbi))
len += snprintf(buf, PAGE_SIZE - len, "%s",
"encryption");
- if (f2fs_sb_has_blkzoned(sb))
+ if (f2fs_sb_has_blkzoned(sbi))
len += snprintf(buf + len, PAGE_SIZE - len, "%s%s",
len ? ", " : "", "blkzoned");
- if (f2fs_sb_has_extra_attr(sb))
+ if (f2fs_sb_has_extra_attr(sbi))
len += snprintf(buf + len, PAGE_SIZE - len, "%s%s",
len ? ", " : "", "extra_attr");
- if (f2fs_sb_has_project_quota(sb))
+ if (f2fs_sb_has_project_quota(sbi))
len += snprintf(buf + len, PAGE_SIZE - len, "%s%s",
len ? ", " : "", "projquota");
- if (f2fs_sb_has_inode_chksum(sb))
+ if (f2fs_sb_has_inode_chksum(sbi))
len += snprintf(buf + len, PAGE_SIZE - len, "%s%s",
len ? ", " : "", "inode_checksum");
- if (f2fs_sb_has_flexible_inline_xattr(sb))
+ if (f2fs_sb_has_flexible_inline_xattr(sbi))
len += snprintf(buf + len, PAGE_SIZE - len, "%s%s",
len ? ", " : "", "flexible_inline_xattr");
- if (f2fs_sb_has_quota_ino(sb))
+ if (f2fs_sb_has_quota_ino(sbi))
len += snprintf(buf + len, PAGE_SIZE - len, "%s%s",
len ? ", " : "", "quota_ino");
- if (f2fs_sb_has_inode_crtime(sb))
+ if (f2fs_sb_has_inode_crtime(sbi))
len += snprintf(buf + len, PAGE_SIZE - len, "%s%s",
len ? ", " : "", "inode_crtime");
- if (f2fs_sb_has_lost_found(sb))
+ if (f2fs_sb_has_lost_found(sbi))
len += snprintf(buf + len, PAGE_SIZE - len, "%s%s",
len ? ", " : "", "lost_found");
+ if (f2fs_sb_has_verity(sbi))
+ len += snprintf(buf + len, PAGE_SIZE - len, "%s%s",
+ len ? ", " : "", "verity");
+ if (f2fs_sb_has_sb_chksum(sbi))
+ len += snprintf(buf + len, PAGE_SIZE - len, "%s%s",
+ len ? ", " : "", "sb_checksum");
+ if (f2fs_sb_has_casefold(sbi))
+ len += snprintf(buf + len, PAGE_SIZE - len, "%s%s",
+ len ? ", " : "", "casefold");
len += snprintf(buf + len, PAGE_SIZE - len, "\n");
return len;
}
@@ -222,6 +256,8 @@
#ifdef CONFIG_F2FS_FAULT_INJECTION
if (a->struct_type == FAULT_INFO_TYPE && t >= (1 << FAULT_MAX))
return -EINVAL;
+ if (a->struct_type == FAULT_INFO_RATE && t >= UINT_MAX)
+ return -EINVAL;
#endif
if (a->struct_type == RESERVED_BLOCKS) {
spin_lock(&sbi->stat_lock);
@@ -246,6 +282,11 @@
return count;
}
+ if (!strcmp(a->attr.name, "migration_granularity")) {
+ if (t == 0 || t > sbi->segs_per_sec)
+ return -EINVAL;
+ }
+
if (!strcmp(a->attr.name, "trim_sections"))
return -EINVAL;
@@ -273,10 +314,16 @@
return count;
}
- *ui = t;
- if (!strcmp(a->attr.name, "iostat_enable") && *ui == 0)
- f2fs_reset_iostat(sbi);
+ if (!strcmp(a->attr.name, "iostat_enable")) {
+ sbi->iostat_enable = !!t;
+ if (!sbi->iostat_enable)
+ f2fs_reset_iostat(sbi);
+ return count;
+ }
+
+ *ui = (unsigned int)t;
+
return count;
}
@@ -337,6 +384,9 @@
FEAT_QUOTA_INO,
FEAT_INODE_CRTIME,
FEAT_LOST_FOUND,
+ FEAT_VERITY,
+ FEAT_SB_CHECKSUM,
+ FEAT_CASEFOLD,
};
static ssize_t f2fs_feature_show(struct f2fs_attr *a,
@@ -353,6 +403,9 @@
case FEAT_QUOTA_INO:
case FEAT_INODE_CRTIME:
case FEAT_LOST_FOUND:
+ case FEAT_VERITY:
+ case FEAT_SB_CHECKSUM:
+ case FEAT_CASEFOLD:
return snprintf(buf, PAGE_SIZE, "supported\n");
}
return 0;
@@ -404,9 +457,15 @@
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(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);
F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, cp_interval, interval_time[CP_TIME]);
F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, idle_interval, interval_time[REQ_TIME]);
+F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, discard_idle_interval,
+ interval_time[DISCARD_TIME]);
+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]);
F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, iostat_enable, iostat_enable);
F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, readdir_ra, readdir_ra);
F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, gc_pin_file_thresh, gc_pin_file_threshold);
@@ -419,8 +478,10 @@
F2FS_GENERAL_RO_ATTR(lifetime_write_kbytes);
F2FS_GENERAL_RO_ATTR(features);
F2FS_GENERAL_RO_ATTR(current_reserved_blocks);
+F2FS_GENERAL_RO_ATTR(unusable);
+F2FS_GENERAL_RO_ATTR(encoding);
-#ifdef CONFIG_F2FS_FS_ENCRYPTION
+#ifdef CONFIG_FS_ENCRYPTION
F2FS_FEATURE_RO_ATTR(encryption, FEAT_CRYPTO);
#endif
#ifdef CONFIG_BLK_DEV_ZONED
@@ -434,6 +495,11 @@
F2FS_FEATURE_RO_ATTR(quota_ino, FEAT_QUOTA_INO);
F2FS_FEATURE_RO_ATTR(inode_crtime, FEAT_INODE_CRTIME);
F2FS_FEATURE_RO_ATTR(lost_found, FEAT_LOST_FOUND);
+#ifdef CONFIG_FS_VERITY
+F2FS_FEATURE_RO_ATTR(verity, FEAT_VERITY);
+#endif
+F2FS_FEATURE_RO_ATTR(sb_checksum, FEAT_SB_CHECKSUM);
+F2FS_FEATURE_RO_ATTR(casefold, FEAT_CASEFOLD);
#define ATTR_LIST(name) (&f2fs_attr_##name.attr)
static struct attribute *f2fs_attrs[] = {
@@ -454,12 +520,16 @@
ATTR_LIST(min_hot_blocks),
ATTR_LIST(min_ssr_sections),
ATTR_LIST(max_victim_search),
+ ATTR_LIST(migration_granularity),
ATTR_LIST(dir_level),
ATTR_LIST(ram_thresh),
ATTR_LIST(ra_nid_pages),
ATTR_LIST(dirty_nats_ratio),
ATTR_LIST(cp_interval),
ATTR_LIST(idle_interval),
+ ATTR_LIST(discard_idle_interval),
+ ATTR_LIST(gc_idle_interval),
+ ATTR_LIST(umount_discard_timeout),
ATTR_LIST(iostat_enable),
ATTR_LIST(readdir_ra),
ATTR_LIST(gc_pin_file_thresh),
@@ -469,15 +539,18 @@
ATTR_LIST(inject_type),
#endif
ATTR_LIST(dirty_segments),
+ ATTR_LIST(unusable),
ATTR_LIST(lifetime_write_kbytes),
ATTR_LIST(features),
ATTR_LIST(reserved_blocks),
ATTR_LIST(current_reserved_blocks),
+ ATTR_LIST(encoding),
NULL,
};
+ATTRIBUTE_GROUPS(f2fs);
static struct attribute *f2fs_feat_attrs[] = {
-#ifdef CONFIG_F2FS_FS_ENCRYPTION
+#ifdef CONFIG_FS_ENCRYPTION
ATTR_LIST(encryption),
#endif
#ifdef CONFIG_BLK_DEV_ZONED
@@ -491,8 +564,14 @@
ATTR_LIST(quota_ino),
ATTR_LIST(inode_crtime),
ATTR_LIST(lost_found),
+#ifdef CONFIG_FS_VERITY
+ ATTR_LIST(verity),
+#endif
+ ATTR_LIST(sb_checksum),
+ ATTR_LIST(casefold),
NULL,
};
+ATTRIBUTE_GROUPS(f2fs_feat);
static const struct sysfs_ops f2fs_attr_ops = {
.show = f2fs_attr_show,
@@ -500,7 +579,7 @@
};
static struct kobj_type f2fs_sb_ktype = {
- .default_attrs = f2fs_attrs,
+ .default_groups = f2fs_groups,
.sysfs_ops = &f2fs_attr_ops,
.release = f2fs_sb_release,
};
@@ -514,7 +593,7 @@
};
static struct kobj_type f2fs_feat_ktype = {
- .default_attrs = f2fs_feat_attrs,
+ .default_groups = f2fs_feat_groups,
.sysfs_ops = &f2fs_attr_ops,
};
@@ -539,8 +618,7 @@
if ((i % 10) == 0)
seq_printf(seq, "%-10d", i);
- seq_printf(seq, "%d|%-3u", se->type,
- get_valid_blocks(sbi, i, false));
+ seq_printf(seq, "%d|%-3u", se->type, se->valid_blocks);
if ((i % 10) == 9 || i == (total_segs - 1))
seq_putc(seq, '\n');
else
@@ -566,8 +644,7 @@
struct seg_entry *se = get_seg_entry(sbi, i);
seq_printf(seq, "%-10d", i);
- seq_printf(seq, "%d|%-3u|", se->type,
- get_valid_blocks(sbi, i, false));
+ seq_printf(seq, "%d|%-3u|", se->type, se->valid_blocks);
for (j = 0; j < SIT_VBLOCK_MAP_SIZE; j++)
seq_printf(seq, " %.2x", se->cur_valid_map[j]);
seq_putc(seq, '\n');