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Diffstat (limited to 'fs/f2fs/super.c')
-rw-r--r--fs/f2fs/super.c641
1 files changed, 429 insertions, 212 deletions
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index a4bc26dfdb1a..bbf1dad6843f 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -11,7 +11,6 @@
#include <linux/fs_context.h>
#include <linux/sched/mm.h>
#include <linux/statfs.h>
-#include <linux/buffer_head.h>
#include <linux/kthread.h>
#include <linux/parser.h>
#include <linux/mount.h>
@@ -48,6 +47,7 @@ const char *f2fs_fault_name[FAULT_MAX] = {
[FAULT_KVMALLOC] = "kvmalloc",
[FAULT_PAGE_ALLOC] = "page alloc",
[FAULT_PAGE_GET] = "page get",
+ [FAULT_ALLOC_BIO] = "alloc bio(obsolete)",
[FAULT_ALLOC_NID] = "alloc nid",
[FAULT_ORPHAN] = "orphan",
[FAULT_BLOCK] = "no more block",
@@ -64,23 +64,37 @@ const char *f2fs_fault_name[FAULT_MAX] = {
[FAULT_BLKADDR_VALIDITY] = "invalid blkaddr",
[FAULT_BLKADDR_CONSISTENCE] = "inconsistent blkaddr",
[FAULT_NO_SEGMENT] = "no free segment",
+ [FAULT_INCONSISTENT_FOOTER] = "inconsistent footer",
+ [FAULT_TIMEOUT] = "timeout",
+ [FAULT_VMALLOC] = "vmalloc",
};
-void f2fs_build_fault_attr(struct f2fs_sb_info *sbi, unsigned int rate,
- unsigned int type)
+int f2fs_build_fault_attr(struct f2fs_sb_info *sbi, unsigned long rate,
+ unsigned long type, enum fault_option fo)
{
struct f2fs_fault_info *ffi = &F2FS_OPTION(sbi).fault_info;
- if (rate) {
+ if (fo & FAULT_ALL) {
+ memset(ffi, 0, sizeof(struct f2fs_fault_info));
+ return 0;
+ }
+
+ if (fo & FAULT_RATE) {
+ if (rate > INT_MAX)
+ return -EINVAL;
atomic_set(&ffi->inject_ops, 0);
- ffi->inject_rate = rate;
+ ffi->inject_rate = (int)rate;
+ f2fs_info(sbi, "build fault injection rate: %lu", rate);
}
- if (type)
- ffi->inject_type = type;
+ if (fo & FAULT_TYPE) {
+ if (type >= BIT(FAULT_MAX))
+ return -EINVAL;
+ ffi->inject_type = (unsigned int)type;
+ f2fs_info(sbi, "build fault injection type: 0x%lx", type);
+ }
- if (!rate && !type)
- memset(ffi, 0, sizeof(struct f2fs_fault_info));
+ return 0;
}
#endif
@@ -181,6 +195,7 @@ enum {
Opt_memory_mode,
Opt_age_extent_cache,
Opt_errors,
+ Opt_nat_bits,
Opt_err,
};
@@ -260,6 +275,7 @@ static match_table_t f2fs_tokens = {
{Opt_memory_mode, "memory=%s"},
{Opt_age_extent_cache, "age_extent_cache"},
{Opt_errors, "errors=%s"},
+ {Opt_nat_bits, "nat_bits"},
{Opt_err, NULL},
};
@@ -311,7 +327,7 @@ struct kmem_cache *f2fs_cf_name_slab;
static int __init f2fs_create_casefold_cache(void)
{
f2fs_cf_name_slab = f2fs_kmem_cache_create("f2fs_casefolded_name",
- F2FS_NAME_LEN);
+ F2FS_NAME_LEN);
return f2fs_cf_name_slab ? 0 : -ENOMEM;
}
@@ -374,10 +390,10 @@ static void init_once(void *foo)
#ifdef CONFIG_QUOTA
static const char * const quotatypes[] = INITQFNAMES;
#define QTYPE2NAME(t) (quotatypes[t])
-static int f2fs_set_qf_name(struct super_block *sb, int qtype,
+static int f2fs_set_qf_name(struct f2fs_sb_info *sbi, int qtype,
substring_t *args)
{
- struct f2fs_sb_info *sbi = F2FS_SB(sb);
+ struct super_block *sb = sbi->sb;
char *qname;
int ret = -EINVAL;
@@ -415,9 +431,9 @@ errout:
return ret;
}
-static int f2fs_clear_qf_name(struct super_block *sb, int qtype)
+static int f2fs_clear_qf_name(struct f2fs_sb_info *sbi, int qtype)
{
- struct f2fs_sb_info *sbi = F2FS_SB(sb);
+ struct super_block *sb = sbi->sb;
if (sb_any_quota_loaded(sb) && F2FS_OPTION(sbi).s_qf_names[qtype]) {
f2fs_err(sbi, "Cannot change journaled quota options when quota turned on");
@@ -474,12 +490,11 @@ static int f2fs_check_quota_options(struct f2fs_sb_info *sbi)
}
#endif
-static int f2fs_set_test_dummy_encryption(struct super_block *sb,
+static int f2fs_set_test_dummy_encryption(struct f2fs_sb_info *sbi,
const char *opt,
const substring_t *arg,
bool is_remount)
{
- struct f2fs_sb_info *sbi = F2FS_SB(sb);
struct fs_parameter param = {
.type = fs_value_is_string,
.string = arg->from ? arg->from : "",
@@ -662,9 +677,8 @@ static int f2fs_set_zstd_level(struct f2fs_sb_info *sbi, const char *str)
#endif
#endif
-static int parse_options(struct super_block *sb, char *options, bool is_remount)
+static int parse_options(struct f2fs_sb_info *sbi, char *options, bool is_remount)
{
- struct f2fs_sb_info *sbi = F2FS_SB(sb);
substring_t args[MAX_OPT_ARGS];
#ifdef CONFIG_F2FS_FS_COMPRESSION
unsigned char (*ext)[F2FS_EXTENSION_LEN];
@@ -678,7 +692,7 @@ static int parse_options(struct super_block *sb, char *options, bool is_remount)
int ret;
if (!options)
- goto default_check;
+ return 0;
while ((p = strsep(&options, ",")) != NULL) {
int token;
@@ -701,6 +715,11 @@ static int parse_options(struct super_block *sb, char *options, bool is_remount)
if (!strcmp(name, "on")) {
F2FS_OPTION(sbi).bggc_mode = BGGC_MODE_ON;
} else if (!strcmp(name, "off")) {
+ if (f2fs_sb_has_blkzoned(sbi)) {
+ f2fs_warn(sbi, "zoned devices need bggc");
+ kfree(name);
+ return -EINVAL;
+ }
F2FS_OPTION(sbi).bggc_mode = BGGC_MODE_OFF;
} else if (!strcmp(name, "sync")) {
F2FS_OPTION(sbi).bggc_mode = BGGC_MODE_SYNC;
@@ -714,10 +733,8 @@ static int parse_options(struct super_block *sb, char *options, bool is_remount)
set_opt(sbi, DISABLE_ROLL_FORWARD);
break;
case Opt_norecovery:
- /* this option mounts f2fs with ro */
+ /* requires ro mount, checked in f2fs_default_check */
set_opt(sbi, NORECOVERY);
- if (!f2fs_readonly(sb))
- return -EINVAL;
break;
case Opt_discard:
if (!f2fs_hw_support_discard(sbi)) {
@@ -758,16 +775,11 @@ static int parse_options(struct super_block *sb, char *options, bool is_remount)
break;
#else
case Opt_user_xattr:
- f2fs_info(sbi, "user_xattr options not supported");
- break;
case Opt_nouser_xattr:
- f2fs_info(sbi, "nouser_xattr options not supported");
- break;
case Opt_inline_xattr:
- f2fs_info(sbi, "inline_xattr options not supported");
- break;
case Opt_noinline_xattr:
- f2fs_info(sbi, "noinline_xattr options not supported");
+ case Opt_inline_xattr_size:
+ f2fs_info(sbi, "xattr options not supported");
break;
#endif
#ifdef CONFIG_F2FS_FS_POSIX_ACL
@@ -779,10 +791,8 @@ static int parse_options(struct super_block *sb, char *options, bool is_remount)
break;
#else
case Opt_acl:
- f2fs_info(sbi, "acl options not supported");
- break;
case Opt_noacl:
- f2fs_info(sbi, "noacl options not supported");
+ f2fs_info(sbi, "acl options not supported");
break;
#endif
case Opt_active_logs:
@@ -824,6 +834,10 @@ static int parse_options(struct super_block *sb, char *options, bool is_remount)
set_opt(sbi, READ_EXTENT_CACHE);
break;
case Opt_noextent_cache:
+ if (f2fs_sb_has_device_alias(sbi)) {
+ f2fs_err(sbi, "device aliasing requires extent cache");
+ return -EINVAL;
+ }
clear_opt(sbi, READ_EXTENT_CACHE);
break;
case Opt_noinline_data:
@@ -886,30 +900,29 @@ static int parse_options(struct super_block *sb, char *options, bool is_remount)
case Opt_fault_injection:
if (args->from && match_int(args, &arg))
return -EINVAL;
- f2fs_build_fault_attr(sbi, arg, F2FS_ALL_FAULT_TYPE);
+ if (f2fs_build_fault_attr(sbi, arg, 0, FAULT_RATE))
+ return -EINVAL;
set_opt(sbi, FAULT_INJECTION);
break;
case Opt_fault_type:
if (args->from && match_int(args, &arg))
return -EINVAL;
- f2fs_build_fault_attr(sbi, 0, arg);
+ if (f2fs_build_fault_attr(sbi, 0, arg, FAULT_TYPE))
+ return -EINVAL;
set_opt(sbi, FAULT_INJECTION);
break;
#else
case Opt_fault_injection:
- f2fs_info(sbi, "fault_injection options not supported");
- break;
-
case Opt_fault_type:
- f2fs_info(sbi, "fault_type options not supported");
+ f2fs_info(sbi, "fault injection options not supported");
break;
#endif
case Opt_lazytime:
- sb->s_flags |= SB_LAZYTIME;
+ set_opt(sbi, LAZYTIME);
break;
case Opt_nolazytime:
- sb->s_flags &= ~SB_LAZYTIME;
+ clear_opt(sbi, LAZYTIME);
break;
#ifdef CONFIG_QUOTA
case Opt_quota:
@@ -923,32 +936,32 @@ static int parse_options(struct super_block *sb, char *options, bool is_remount)
set_opt(sbi, PRJQUOTA);
break;
case Opt_usrjquota:
- ret = f2fs_set_qf_name(sb, USRQUOTA, &args[0]);
+ ret = f2fs_set_qf_name(sbi, USRQUOTA, &args[0]);
if (ret)
return ret;
break;
case Opt_grpjquota:
- ret = f2fs_set_qf_name(sb, GRPQUOTA, &args[0]);
+ ret = f2fs_set_qf_name(sbi, GRPQUOTA, &args[0]);
if (ret)
return ret;
break;
case Opt_prjjquota:
- ret = f2fs_set_qf_name(sb, PRJQUOTA, &args[0]);
+ ret = f2fs_set_qf_name(sbi, PRJQUOTA, &args[0]);
if (ret)
return ret;
break;
case Opt_offusrjquota:
- ret = f2fs_clear_qf_name(sb, USRQUOTA);
+ ret = f2fs_clear_qf_name(sbi, USRQUOTA);
if (ret)
return ret;
break;
case Opt_offgrpjquota:
- ret = f2fs_clear_qf_name(sb, GRPQUOTA);
+ ret = f2fs_clear_qf_name(sbi, GRPQUOTA);
if (ret)
return ret;
break;
case Opt_offprjjquota:
- ret = f2fs_clear_qf_name(sb, PRJQUOTA);
+ ret = f2fs_clear_qf_name(sbi, PRJQUOTA);
if (ret)
return ret;
break;
@@ -1018,14 +1031,14 @@ static int parse_options(struct super_block *sb, char *options, bool is_remount)
kfree(name);
break;
case Opt_test_dummy_encryption:
- ret = f2fs_set_test_dummy_encryption(sb, p, &args[0],
+ ret = f2fs_set_test_dummy_encryption(sbi, p, &args[0],
is_remount);
if (ret)
return ret;
break;
case Opt_inlinecrypt:
#ifdef CONFIG_FS_ENCRYPTION_INLINE_CRYPT
- sb->s_flags |= SB_INLINECRYPT;
+ set_opt(sbi, INLINECRYPT);
#else
f2fs_info(sbi, "inline encryption not supported");
#endif
@@ -1151,7 +1164,11 @@ static int parse_options(struct super_block *sb, char *options, bool is_remount)
break;
}
- strcpy(ext[ext_cnt], name);
+ ret = strscpy(ext[ext_cnt], name);
+ if (ret < 0) {
+ kfree(name);
+ return ret;
+ }
F2FS_OPTION(sbi).compress_ext_cnt++;
kfree(name);
break;
@@ -1180,7 +1197,11 @@ static int parse_options(struct super_block *sb, char *options, bool is_remount)
break;
}
- strcpy(noext[noext_cnt], name);
+ ret = strscpy(noext[noext_cnt], name);
+ if (ret < 0) {
+ kfree(name);
+ return ret;
+ }
F2FS_OPTION(sbi).nocompress_ext_cnt++;
kfree(name);
break;
@@ -1293,13 +1314,20 @@ static int parse_options(struct super_block *sb, char *options, bool is_remount)
}
kfree(name);
break;
+ case Opt_nat_bits:
+ set_opt(sbi, NAT_BITS);
+ break;
default:
f2fs_err(sbi, "Unrecognized mount option \"%s\" or missing value",
p);
return -EINVAL;
}
}
-default_check:
+ return 0;
+}
+
+static int f2fs_default_check(struct f2fs_sb_info *sbi)
+{
#ifdef CONFIG_QUOTA
if (f2fs_check_quota_options(sbi))
return -EINVAL;
@@ -1313,13 +1341,13 @@ default_check:
return -EINVAL;
}
#endif
-#if !IS_ENABLED(CONFIG_UNICODE)
- if (f2fs_sb_has_casefold(sbi)) {
+
+ if (!IS_ENABLED(CONFIG_UNICODE) && f2fs_sb_has_casefold(sbi)) {
f2fs_err(sbi,
"Filesystem with casefold feature cannot be mounted without CONFIG_UNICODE");
return -EINVAL;
}
-#endif
+
/*
* The BLKZONED feature indicates that the drive was formatted with
* zone alignment optimization. This is optional for host-aware
@@ -1389,6 +1417,12 @@ default_check:
f2fs_err(sbi, "Allow to mount readonly mode only");
return -EROFS;
}
+
+ if (test_opt(sbi, NORECOVERY) && !f2fs_readonly(sbi->sb)) {
+ f2fs_err(sbi, "norecovery requires readonly mount");
+ return -EINVAL;
+ }
+
return 0;
}
@@ -1412,6 +1446,7 @@ static struct inode *f2fs_alloc_inode(struct super_block *sb)
spin_lock_init(&fi->i_size_lock);
INIT_LIST_HEAD(&fi->dirty_list);
INIT_LIST_HEAD(&fi->gdirty_list);
+ INIT_LIST_HEAD(&fi->gdonate_list);
init_f2fs_rwsem(&fi->i_gc_rwsem[READ]);
init_f2fs_rwsem(&fi->i_gc_rwsem[WRITE]);
init_f2fs_rwsem(&fi->i_xattr_sem);
@@ -1498,6 +1533,12 @@ int f2fs_inode_dirtied(struct inode *inode, bool sync)
inc_page_count(sbi, F2FS_DIRTY_IMETA);
}
spin_unlock(&sbi->inode_lock[DIRTY_META]);
+
+ /* if atomic write is not committed, set inode w/ atomic dirty */
+ if (!ret && f2fs_is_atomic_file(inode) &&
+ !is_inode_flag_set(inode, FI_ATOMIC_COMMITTED))
+ set_inode_flag(inode, FI_ATOMIC_DIRTIED);
+
return ret;
}
@@ -1665,8 +1706,6 @@ static void f2fs_put_super(struct super_block *sb)
kvfree(sbi->ckpt);
- if (sbi->s_chksum_driver)
- crypto_free_shash(sbi->s_chksum_driver);
kfree(sbi->raw_super);
f2fs_destroy_page_array_cache(sbi);
@@ -1710,27 +1749,45 @@ int f2fs_sync_fs(struct super_block *sb, int sync)
static int f2fs_freeze(struct super_block *sb)
{
+ struct f2fs_sb_info *sbi = F2FS_SB(sb);
+
if (f2fs_readonly(sb))
return 0;
/* IO error happened before */
- if (unlikely(f2fs_cp_error(F2FS_SB(sb))))
+ if (unlikely(f2fs_cp_error(sbi)))
return -EIO;
/* must be clean, since sync_filesystem() was already called */
- if (is_sbi_flag_set(F2FS_SB(sb), SBI_IS_DIRTY))
+ if (is_sbi_flag_set(sbi, SBI_IS_DIRTY))
return -EINVAL;
+ sbi->umount_lock_holder = current;
+
/* Let's flush checkpoints and stop the thread. */
- f2fs_flush_ckpt_thread(F2FS_SB(sb));
+ f2fs_flush_ckpt_thread(sbi);
+
+ sbi->umount_lock_holder = NULL;
/* to avoid deadlock on f2fs_evict_inode->SB_FREEZE_FS */
- set_sbi_flag(F2FS_SB(sb), SBI_IS_FREEZING);
+ set_sbi_flag(sbi, SBI_IS_FREEZING);
return 0;
}
static int f2fs_unfreeze(struct super_block *sb)
{
+ struct f2fs_sb_info *sbi = F2FS_SB(sb);
+
+ /*
+ * It will update discard_max_bytes of mounted lvm device to zero
+ * after creating snapshot on this lvm device, let's drop all
+ * remained discards.
+ * We don't need to disable real-time discard because discard_max_bytes
+ * will recover after removal of snapshot.
+ */
+ if (test_opt(sbi, DISCARD) && !f2fs_hw_support_discard(sbi))
+ f2fs_issue_discard_timeout(sbi);
+
clear_sbi_flag(F2FS_SB(sb), SBI_IS_FREEZING);
return 0;
}
@@ -1752,26 +1809,32 @@ static int f2fs_statfs_project(struct super_block *sb,
limit = min_not_zero(dquot->dq_dqb.dqb_bsoftlimit,
dquot->dq_dqb.dqb_bhardlimit);
- if (limit)
- limit >>= sb->s_blocksize_bits;
+ limit >>= sb->s_blocksize_bits;
+
+ if (limit) {
+ uint64_t remaining = 0;
- if (limit && buf->f_blocks > limit) {
curblock = (dquot->dq_dqb.dqb_curspace +
dquot->dq_dqb.dqb_rsvspace) >> sb->s_blocksize_bits;
- buf->f_blocks = limit;
- buf->f_bfree = buf->f_bavail =
- (buf->f_blocks > curblock) ?
- (buf->f_blocks - curblock) : 0;
+ if (limit > curblock)
+ remaining = limit - curblock;
+
+ buf->f_blocks = min(buf->f_blocks, limit);
+ buf->f_bfree = min(buf->f_bfree, remaining);
+ buf->f_bavail = min(buf->f_bavail, remaining);
}
limit = min_not_zero(dquot->dq_dqb.dqb_isoftlimit,
dquot->dq_dqb.dqb_ihardlimit);
- if (limit && buf->f_files > limit) {
- buf->f_files = limit;
- buf->f_ffree =
- (buf->f_files > dquot->dq_dqb.dqb_curinodes) ?
- (buf->f_files - dquot->dq_dqb.dqb_curinodes) : 0;
+ if (limit) {
+ uint64_t remaining = 0;
+
+ if (limit > dquot->dq_dqb.dqb_curinodes)
+ remaining = limit - dquot->dq_dqb.dqb_curinodes;
+
+ buf->f_files = min(buf->f_files, limit);
+ buf->f_ffree = min(buf->f_ffree, remaining);
}
spin_unlock(&dquot->dq_dqb_lock);
@@ -1797,7 +1860,8 @@ static int f2fs_statfs(struct dentry *dentry, struct kstatfs *buf)
buf->f_blocks = total_count - start_count;
spin_lock(&sbi->stat_lock);
-
+ if (sbi->carve_out)
+ buf->f_blocks -= sbi->current_reserved_blocks;
user_block_count = sbi->user_block_count;
total_valid_node_count = valid_node_count(sbi);
avail_node_count = sbi->total_node_count - F2FS_RESERVED_NODE_NUM;
@@ -1829,9 +1893,9 @@ static int f2fs_statfs(struct dentry *dentry, struct kstatfs *buf)
buf->f_fsid = u64_to_fsid(id);
#ifdef CONFIG_QUOTA
- if (is_inode_flag_set(dentry->d_inode, FI_PROJ_INHERIT) &&
+ if (is_inode_flag_set(d_inode(dentry), FI_PROJ_INHERIT) &&
sb_has_quota_limits_enabled(sb, PRJQUOTA)) {
- f2fs_statfs_project(sb, F2FS_I(dentry->d_inode)->i_projid, buf);
+ f2fs_statfs_project(sb, F2FS_I(d_inode(dentry))->i_projid, buf);
}
#endif
return 0;
@@ -2089,6 +2153,9 @@ static int f2fs_show_options(struct seq_file *seq, struct dentry *root)
else if (F2FS_OPTION(sbi).errors == MOUNT_ERRORS_PANIC)
seq_printf(seq, ",errors=%s", "panic");
+ if (test_opt(sbi, NAT_BITS))
+ seq_puts(seq, ",nat_bits");
+
return 0;
}
@@ -2132,14 +2199,12 @@ static void default_options(struct f2fs_sb_info *sbi, bool remount)
F2FS_OPTION(sbi).memory_mode = MEMORY_MODE_NORMAL;
F2FS_OPTION(sbi).errors = MOUNT_ERRORS_CONTINUE;
- sbi->sb->s_flags &= ~SB_INLINECRYPT;
-
set_opt(sbi, INLINE_XATTR);
set_opt(sbi, INLINE_DATA);
set_opt(sbi, INLINE_DENTRY);
set_opt(sbi, MERGE_CHECKPOINT);
+ set_opt(sbi, LAZYTIME);
F2FS_OPTION(sbi).unusable_cap = 0;
- sbi->sb->s_flags |= SB_LAZYTIME;
if (!f2fs_is_readonly(sbi))
set_opt(sbi, FLUSH_MERGE);
if (f2fs_sb_has_blkzoned(sbi))
@@ -2154,7 +2219,7 @@ static void default_options(struct f2fs_sb_info *sbi, bool remount)
set_opt(sbi, POSIX_ACL);
#endif
- f2fs_build_fault_attr(sbi, 0, 0);
+ f2fs_build_fault_attr(sbi, 0, 0, FAULT_ALL);
}
#ifdef CONFIG_QUOTA
@@ -2281,6 +2346,7 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data)
bool no_discard = !test_opt(sbi, DISCARD);
bool no_compress_cache = !test_opt(sbi, COMPRESS_CACHE);
bool block_unit_discard = f2fs_block_unit_discard(sbi);
+ bool no_nat_bits = !test_opt(sbi, NAT_BITS);
#ifdef CONFIG_QUOTA
int i, j;
#endif
@@ -2292,6 +2358,8 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data)
org_mount_opt = sbi->mount_opt;
old_sb_flags = sb->s_flags;
+ sbi->umount_lock_holder = current;
+
#ifdef CONFIG_QUOTA
org_mount_opt.s_jquota_fmt = F2FS_OPTION(sbi).s_jquota_fmt;
for (i = 0; i < MAXQUOTAS; i++) {
@@ -2322,7 +2390,22 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data)
default_options(sbi, true);
/* parse mount options */
- err = parse_options(sb, data, true);
+ err = parse_options(sbi, data, true);
+ if (err)
+ goto restore_opts;
+
+#ifdef CONFIG_BLK_DEV_ZONED
+ if (f2fs_sb_has_blkzoned(sbi) &&
+ sbi->max_open_zones < F2FS_OPTION(sbi).active_logs) {
+ f2fs_err(sbi,
+ "zoned: max open zones %u is too small, need at least %u open zones",
+ sbi->max_open_zones, F2FS_OPTION(sbi).active_logs);
+ err = -EINVAL;
+ goto restore_opts;
+ }
+#endif
+
+ err = f2fs_default_check(sbi);
if (err)
goto restore_opts;
@@ -2396,6 +2479,12 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data)
goto restore_opts;
}
+ if (no_nat_bits == !!test_opt(sbi, NAT_BITS)) {
+ err = -EINVAL;
+ f2fs_warn(sbi, "switch nat_bits option is not allowed");
+ goto restore_opts;
+ }
+
if ((*flags & SB_RDONLY) && test_opt(sbi, DISABLE_CHECKPOINT)) {
err = -EINVAL;
f2fs_warn(sbi, "disabling checkpoint not compatible with read-only");
@@ -2458,6 +2547,7 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data)
}
}
+ adjust_unusable_cap_perc(sbi);
if (enable_checkpoint == !!test_opt(sbi, DISABLE_CHECKPOINT)) {
if (test_opt(sbi, DISABLE_CHECKPOINT)) {
err = f2fs_disable_checkpoint(sbi);
@@ -2502,8 +2592,9 @@ skip:
(test_opt(sbi, POSIX_ACL) ? SB_POSIXACL : 0);
limit_reserve_root(sbi);
- adjust_unusable_cap_perc(sbi);
*flags = (*flags & ~SB_LAZYTIME) | (sb->s_flags & SB_LAZYTIME);
+
+ sbi->umount_lock_holder = NULL;
return 0;
restore_checkpoint:
if (need_enable_checkpoint) {
@@ -2544,9 +2635,16 @@ restore_opts:
#endif
sbi->mount_opt = org_mount_opt;
sb->s_flags = old_sb_flags;
+
+ sbi->umount_lock_holder = NULL;
return err;
}
+static void f2fs_shutdown(struct super_block *sb)
+{
+ f2fs_do_shutdown(F2FS_SB(sb), F2FS_GOING_DOWN_NOSYNC, false, false);
+}
+
#ifdef CONFIG_QUOTA
static bool f2fs_need_recovery(struct f2fs_sb_info *sbi)
{
@@ -2602,12 +2700,9 @@ static ssize_t f2fs_quota_read(struct super_block *sb, int type, char *data,
{
struct inode *inode = sb_dqopt(sb)->files[type];
struct address_space *mapping = inode->i_mapping;
- block_t blkidx = F2FS_BYTES_TO_BLK(off);
- int offset = off & (sb->s_blocksize - 1);
int tocopy;
size_t toread;
loff_t i_size = i_size_read(inode);
- struct page *page;
if (off > i_size)
return 0;
@@ -2616,37 +2711,42 @@ static ssize_t f2fs_quota_read(struct super_block *sb, int type, char *data,
len = i_size - off;
toread = len;
while (toread > 0) {
- tocopy = min_t(unsigned long, sb->s_blocksize - offset, toread);
+ struct folio *folio;
+ size_t offset;
+
repeat:
- page = read_cache_page_gfp(mapping, blkidx, GFP_NOFS);
- if (IS_ERR(page)) {
- if (PTR_ERR(page) == -ENOMEM) {
+ folio = mapping_read_folio_gfp(mapping, off >> PAGE_SHIFT,
+ GFP_NOFS);
+ if (IS_ERR(folio)) {
+ if (PTR_ERR(folio) == -ENOMEM) {
memalloc_retry_wait(GFP_NOFS);
goto repeat;
}
set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR);
- return PTR_ERR(page);
+ return PTR_ERR(folio);
}
+ offset = offset_in_folio(folio, off);
+ tocopy = min(folio_size(folio) - offset, toread);
- lock_page(page);
+ folio_lock(folio);
- if (unlikely(page->mapping != mapping)) {
- f2fs_put_page(page, 1);
+ if (unlikely(folio->mapping != mapping)) {
+ f2fs_folio_put(folio, true);
goto repeat;
}
- if (unlikely(!PageUptodate(page))) {
- f2fs_put_page(page, 1);
- set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR);
- return -EIO;
- }
- memcpy_from_page(data, page, offset, tocopy);
- f2fs_put_page(page, 1);
+ /*
+ * should never happen, just leave f2fs_bug_on() here to catch
+ * any potential bug.
+ */
+ f2fs_bug_on(F2FS_SB(sb), !folio_test_uptodate(folio));
+
+ memcpy_from_folio(data, folio, offset, tocopy);
+ f2fs_folio_put(folio, true);
- offset = 0;
toread -= tocopy;
data += tocopy;
- blkidx++;
+ off += tocopy;
}
return len;
}
@@ -2660,7 +2760,7 @@ static ssize_t f2fs_quota_write(struct super_block *sb, int type,
const struct address_space_operations *a_ops = mapping->a_ops;
int offset = off & (sb->s_blocksize - 1);
size_t towrite = len;
- struct page *page;
+ struct folio *folio;
void *fsdata = NULL;
int err = 0;
int tocopy;
@@ -2670,7 +2770,7 @@ static ssize_t f2fs_quota_write(struct super_block *sb, int type,
towrite);
retry:
err = a_ops->write_begin(NULL, mapping, off, tocopy,
- &page, &fsdata);
+ &folio, &fsdata);
if (unlikely(err)) {
if (err == -ENOMEM) {
f2fs_io_schedule_timeout(DEFAULT_IO_TIMEOUT);
@@ -2680,10 +2780,10 @@ retry:
break;
}
- memcpy_to_page(page, offset, data, tocopy);
+ memcpy_to_folio(folio, offset_in_folio(folio, off), data, tocopy);
a_ops->write_end(NULL, mapping, off, tocopy, tocopy,
- page, fsdata);
+ folio, fsdata);
offset = 0;
towrite -= tocopy;
off += tocopy;
@@ -2855,7 +2955,7 @@ out:
return ret;
}
-int f2fs_quota_sync(struct super_block *sb, int type)
+int f2fs_do_quota_sync(struct super_block *sb, int type)
{
struct f2fs_sb_info *sbi = F2FS_SB(sb);
struct quota_info *dqopt = sb_dqopt(sb);
@@ -2903,11 +3003,21 @@ int f2fs_quota_sync(struct super_block *sb, int type)
return ret;
}
+static int f2fs_quota_sync(struct super_block *sb, int type)
+{
+ int ret;
+
+ F2FS_SB(sb)->umount_lock_holder = current;
+ ret = f2fs_do_quota_sync(sb, type);
+ F2FS_SB(sb)->umount_lock_holder = NULL;
+ return ret;
+}
+
static int f2fs_quota_on(struct super_block *sb, int type, int format_id,
const struct path *path)
{
struct inode *inode;
- int err;
+ int err = 0;
/* if quota sysfile exists, deny enabling quota with specific file */
if (f2fs_sb_has_quota_ino(F2FS_SB(sb))) {
@@ -2918,31 +3028,34 @@ static int f2fs_quota_on(struct super_block *sb, int type, int format_id,
if (path->dentry->d_sb != sb)
return -EXDEV;
- err = f2fs_quota_sync(sb, type);
+ F2FS_SB(sb)->umount_lock_holder = current;
+
+ err = f2fs_do_quota_sync(sb, type);
if (err)
- return err;
+ goto out;
inode = d_inode(path->dentry);
err = filemap_fdatawrite(inode->i_mapping);
if (err)
- return err;
+ goto out;
err = filemap_fdatawait(inode->i_mapping);
if (err)
- return err;
+ goto out;
err = dquot_quota_on(sb, type, format_id, path);
if (err)
- return err;
+ goto out;
inode_lock(inode);
F2FS_I(inode)->i_flags |= F2FS_QUOTA_DEFAULT_FL;
f2fs_set_inode_flags(inode);
inode_unlock(inode);
f2fs_mark_inode_dirty_sync(inode, false);
-
- return 0;
+out:
+ F2FS_SB(sb)->umount_lock_holder = NULL;
+ return err;
}
static int __f2fs_quota_off(struct super_block *sb, int type)
@@ -2953,7 +3066,7 @@ static int __f2fs_quota_off(struct super_block *sb, int type)
if (!inode || !igrab(inode))
return dquot_quota_off(sb, type);
- err = f2fs_quota_sync(sb, type);
+ err = f2fs_do_quota_sync(sb, type);
if (err)
goto out_put;
@@ -2976,6 +3089,8 @@ static int f2fs_quota_off(struct super_block *sb, int type)
struct f2fs_sb_info *sbi = F2FS_SB(sb);
int err;
+ F2FS_SB(sb)->umount_lock_holder = current;
+
err = __f2fs_quota_off(sb, type);
/*
@@ -2985,6 +3100,9 @@ static int f2fs_quota_off(struct super_block *sb, int type)
*/
if (is_journalled_quota(sbi))
set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR);
+
+ F2FS_SB(sb)->umount_lock_holder = NULL;
+
return err;
}
@@ -3117,7 +3235,7 @@ int f2fs_dquot_initialize(struct inode *inode)
return 0;
}
-int f2fs_quota_sync(struct super_block *sb, int type)
+int f2fs_do_quota_sync(struct super_block *sb, int type)
{
return 0;
}
@@ -3146,6 +3264,7 @@ static const struct super_operations f2fs_sops = {
.unfreeze_fs = f2fs_unfreeze,
.statfs = f2fs_statfs,
.remount_fs = f2fs_remount,
+ .shutdown = f2fs_shutdown,
};
#ifdef CONFIG_FS_ENCRYPTION
@@ -3300,29 +3419,47 @@ loff_t max_file_blocks(struct inode *inode)
* fit within U32_MAX + 1 data units.
*/
- result = min(result, (((loff_t)U32_MAX + 1) * 4096) >> F2FS_BLKSIZE_BITS);
+ result = umin(result, F2FS_BYTES_TO_BLK(((loff_t)U32_MAX + 1) * 4096));
return result;
}
-static int __f2fs_commit_super(struct buffer_head *bh,
- struct f2fs_super_block *super)
+static int __f2fs_commit_super(struct f2fs_sb_info *sbi, struct folio *folio,
+ pgoff_t index, bool update)
{
- lock_buffer(bh);
- if (super)
- memcpy(bh->b_data + F2FS_SUPER_OFFSET, super, sizeof(*super));
- set_buffer_dirty(bh);
- unlock_buffer(bh);
-
+ struct bio *bio;
/* it's rare case, we can do fua all the time */
- return __sync_dirty_buffer(bh, REQ_SYNC | REQ_PREFLUSH | REQ_FUA);
+ blk_opf_t opf = REQ_OP_WRITE | REQ_SYNC | REQ_PREFLUSH | REQ_FUA;
+ int ret;
+
+ folio_lock(folio);
+ folio_wait_writeback(folio);
+ if (update)
+ memcpy(F2FS_SUPER_BLOCK(folio, index), F2FS_RAW_SUPER(sbi),
+ sizeof(struct f2fs_super_block));
+ folio_mark_dirty(folio);
+ folio_clear_dirty_for_io(folio);
+ folio_start_writeback(folio);
+ folio_unlock(folio);
+
+ bio = bio_alloc(sbi->sb->s_bdev, 1, opf, GFP_NOFS);
+
+ /* it doesn't need to set crypto context for superblock update */
+ bio->bi_iter.bi_sector = SECTOR_FROM_BLOCK(folio->index);
+
+ if (!bio_add_folio(bio, folio, folio_size(folio), 0))
+ f2fs_bug_on(sbi, 1);
+
+ ret = submit_bio_wait(bio);
+ folio_end_writeback(folio);
+
+ return ret;
}
static inline bool sanity_check_area_boundary(struct f2fs_sb_info *sbi,
- struct buffer_head *bh)
+ struct folio *folio, pgoff_t index)
{
- struct f2fs_super_block *raw_super = (struct f2fs_super_block *)
- (bh->b_data + F2FS_SUPER_OFFSET);
+ struct f2fs_super_block *raw_super = F2FS_SUPER_BLOCK(folio, index);
struct super_block *sb = sbi->sb;
u32 segment0_blkaddr = le32_to_cpu(raw_super->segment0_blkaddr);
u32 cp_blkaddr = le32_to_cpu(raw_super->cp_blkaddr);
@@ -3338,9 +3475,9 @@ static inline bool sanity_check_area_boundary(struct f2fs_sb_info *sbi,
u32 segment_count = le32_to_cpu(raw_super->segment_count);
u32 log_blocks_per_seg = le32_to_cpu(raw_super->log_blocks_per_seg);
u64 main_end_blkaddr = main_blkaddr +
- (segment_count_main << log_blocks_per_seg);
+ ((u64)segment_count_main << log_blocks_per_seg);
u64 seg_end_blkaddr = segment0_blkaddr +
- (segment_count << log_blocks_per_seg);
+ ((u64)segment_count << log_blocks_per_seg);
if (segment0_blkaddr != cp_blkaddr) {
f2fs_info(sbi, "Mismatch start address, segment0(%u) cp_blkaddr(%u)",
@@ -3397,7 +3534,7 @@ static inline bool sanity_check_area_boundary(struct f2fs_sb_info *sbi,
set_sbi_flag(sbi, SBI_NEED_SB_WRITE);
res = "internally";
} else {
- err = __f2fs_commit_super(bh, NULL);
+ err = __f2fs_commit_super(sbi, folio, index, false);
res = err ? "failed" : "done";
}
f2fs_info(sbi, "Fix alignment : %s, start(%u) end(%llu) block(%u)",
@@ -3410,12 +3547,11 @@ static inline bool sanity_check_area_boundary(struct f2fs_sb_info *sbi,
}
static int sanity_check_raw_super(struct f2fs_sb_info *sbi,
- struct buffer_head *bh)
+ struct folio *folio, pgoff_t index)
{
block_t segment_count, segs_per_sec, secs_per_zone, segment_count_main;
block_t total_sections, blocks_per_seg;
- struct f2fs_super_block *raw_super = (struct f2fs_super_block *)
- (bh->b_data + F2FS_SUPER_OFFSET);
+ struct f2fs_super_block *raw_super = F2FS_SUPER_BLOCK(folio, index);
size_t crc_offset = 0;
__u32 crc = 0;
@@ -3435,13 +3571,13 @@ static int sanity_check_raw_super(struct f2fs_sb_info *sbi,
return -EFSCORRUPTED;
}
crc = le32_to_cpu(raw_super->crc);
- if (!f2fs_crc_valid(sbi, crc, raw_super, crc_offset)) {
+ if (crc != f2fs_crc32(raw_super, crc_offset)) {
f2fs_info(sbi, "Invalid SB checksum value: %u", crc);
return -EFSCORRUPTED;
}
}
- /* Currently, support only 4KB block size */
+ /* only support block_size equals to PAGE_SIZE */
if (le32_to_cpu(raw_super->log_blocksize) != F2FS_BLKSIZE_BITS) {
f2fs_info(sbi, "Invalid log_blocksize (%u), supports only %u",
le32_to_cpu(raw_super->log_blocksize),
@@ -3573,7 +3709,7 @@ static int sanity_check_raw_super(struct f2fs_sb_info *sbi,
}
/* check CP/SIT/NAT/SSA/MAIN_AREA area boundary */
- if (sanity_check_area_boundary(sbi, bh))
+ if (sanity_check_area_boundary(sbi, folio, index))
return -EFSCORRUPTED;
return 0;
@@ -3594,6 +3730,7 @@ int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi)
block_t user_block_count, valid_user_blocks;
block_t avail_node_count, valid_node_count;
unsigned int nat_blocks, nat_bits_bytes, nat_bits_blocks;
+ unsigned int sit_blk_cnt;
int i, j;
total = le32_to_cpu(raw_super->segment_count);
@@ -3705,6 +3842,13 @@ skip_cross:
return 1;
}
+ sit_blk_cnt = DIV_ROUND_UP(main_segs, SIT_ENTRY_PER_BLOCK);
+ if (sit_bitmap_size * 8 < sit_blk_cnt) {
+ f2fs_err(sbi, "Wrong bitmap size: sit: %u, sit_blk_cnt:%u",
+ sit_bitmap_size, sit_blk_cnt);
+ return 1;
+ }
+
cp_pack_start_sum = __start_sum_addr(sbi);
cp_payload = __cp_payload(sbi);
if (cp_pack_start_sum < cp_payload + 1 ||
@@ -3768,6 +3912,8 @@ static void init_sb_info(struct f2fs_sb_info *sbi)
sbi->next_victim_seg[FG_GC] = NULL_SEGNO;
sbi->max_victim_search = DEF_MAX_VICTIM_SEARCH;
sbi->migration_granularity = SEGS_PER_SEC(sbi);
+ sbi->migration_window_granularity = f2fs_sb_has_blkzoned(sbi) ?
+ DEF_MIGRATION_WINDOW_GRANULARITY_ZONED : SEGS_PER_SEC(sbi);
sbi->seq_file_ra_mul = MIN_RA_MUL;
sbi->max_fragment_chunk = DEF_FRAGMENT_SIZE;
sbi->max_fragment_hole = DEF_FRAGMENT_SIZE;
@@ -3862,11 +4008,24 @@ static int init_blkz_info(struct f2fs_sb_info *sbi, int devi)
sector_t nr_sectors = bdev_nr_sectors(bdev);
struct f2fs_report_zones_args rep_zone_arg;
u64 zone_sectors;
+ unsigned int max_open_zones;
int ret;
if (!f2fs_sb_has_blkzoned(sbi))
return 0;
+ if (bdev_is_zoned(FDEV(devi).bdev)) {
+ max_open_zones = bdev_max_open_zones(bdev);
+ if (max_open_zones && (max_open_zones < sbi->max_open_zones))
+ sbi->max_open_zones = max_open_zones;
+ if (sbi->max_open_zones < F2FS_OPTION(sbi).active_logs) {
+ f2fs_err(sbi,
+ "zoned: max open zones %u is too small, need at least %u open zones",
+ sbi->max_open_zones, F2FS_OPTION(sbi).active_logs);
+ return -EINVAL;
+ }
+ }
+
zone_sectors = bdev_zone_sectors(bdev);
if (sbi->blocks_per_blkz && sbi->blocks_per_blkz !=
SECTOR_TO_BLOCK(zone_sectors))
@@ -3907,7 +4066,7 @@ static int read_raw_super_block(struct f2fs_sb_info *sbi,
{
struct super_block *sb = sbi->sb;
int block;
- struct buffer_head *bh;
+ struct folio *folio;
struct f2fs_super_block *super;
int err = 0;
@@ -3916,32 +4075,32 @@ static int read_raw_super_block(struct f2fs_sb_info *sbi,
return -ENOMEM;
for (block = 0; block < 2; block++) {
- bh = sb_bread(sb, block);
- if (!bh) {
+ folio = read_mapping_folio(sb->s_bdev->bd_mapping, block, NULL);
+ if (IS_ERR(folio)) {
f2fs_err(sbi, "Unable to read %dth superblock",
block + 1);
- err = -EIO;
+ err = PTR_ERR(folio);
*recovery = 1;
continue;
}
/* sanity checking of raw super */
- err = sanity_check_raw_super(sbi, bh);
+ err = sanity_check_raw_super(sbi, folio, block);
if (err) {
f2fs_err(sbi, "Can't find valid F2FS filesystem in %dth superblock",
block + 1);
- brelse(bh);
+ folio_put(folio);
*recovery = 1;
continue;
}
if (!*raw_super) {
- memcpy(super, bh->b_data + F2FS_SUPER_OFFSET,
+ memcpy(super, F2FS_SUPER_BLOCK(folio, block),
sizeof(*super));
*valid_super_block = block;
*raw_super = super;
}
- brelse(bh);
+ folio_put(folio);
}
/* No valid superblock */
@@ -3955,7 +4114,8 @@ static int read_raw_super_block(struct f2fs_sb_info *sbi,
int f2fs_commit_super(struct f2fs_sb_info *sbi, bool recover)
{
- struct buffer_head *bh;
+ struct folio *folio;
+ pgoff_t index;
__u32 crc = 0;
int err;
@@ -3967,28 +4127,30 @@ int f2fs_commit_super(struct f2fs_sb_info *sbi, bool recover)
/* we should update superblock crc here */
if (!recover && f2fs_sb_has_sb_chksum(sbi)) {
- crc = f2fs_crc32(sbi, F2FS_RAW_SUPER(sbi),
+ crc = f2fs_crc32(F2FS_RAW_SUPER(sbi),
offsetof(struct f2fs_super_block, crc));
F2FS_RAW_SUPER(sbi)->crc = cpu_to_le32(crc);
}
/* write back-up superblock first */
- bh = sb_bread(sbi->sb, sbi->valid_super_block ? 0 : 1);
- if (!bh)
- return -EIO;
- err = __f2fs_commit_super(bh, F2FS_RAW_SUPER(sbi));
- brelse(bh);
+ index = sbi->valid_super_block ? 0 : 1;
+ folio = read_mapping_folio(sbi->sb->s_bdev->bd_mapping, index, NULL);
+ if (IS_ERR(folio))
+ return PTR_ERR(folio);
+ err = __f2fs_commit_super(sbi, folio, index, true);
+ folio_put(folio);
/* if we are in recovery path, skip writing valid superblock */
if (recover || err)
return err;
/* write current valid superblock */
- bh = sb_bread(sbi->sb, sbi->valid_super_block);
- if (!bh)
- return -EIO;
- err = __f2fs_commit_super(bh, F2FS_RAW_SUPER(sbi));
- brelse(bh);
+ index = sbi->valid_super_block;
+ folio = read_mapping_folio(sbi->sb->s_bdev->bd_mapping, index, NULL);
+ if (IS_ERR(folio))
+ return PTR_ERR(folio);
+ err = __f2fs_commit_super(sbi, folio, index, true);
+ folio_put(folio);
return err;
}
@@ -4098,8 +4260,7 @@ static bool system_going_down(void)
|| system_state == SYSTEM_RESTART;
}
-void f2fs_handle_critical_error(struct f2fs_sb_info *sbi, unsigned char reason,
- bool irq_context)
+void f2fs_handle_critical_error(struct f2fs_sb_info *sbi, unsigned char reason)
{
struct super_block *sb = sbi->sb;
bool shutdown = reason == STOP_CP_REASON_SHUTDOWN;
@@ -4111,10 +4272,12 @@ void f2fs_handle_critical_error(struct f2fs_sb_info *sbi, unsigned char reason,
if (!f2fs_hw_is_readonly(sbi)) {
save_stop_reason(sbi, reason);
- if (irq_context && !shutdown)
- schedule_work(&sbi->s_error_work);
- else
- f2fs_record_stop_reason(sbi);
+ /*
+ * always create an asynchronous task to record stop_reason
+ * in order to avoid potential deadlock when running into
+ * f2fs_record_stop_reason() synchronously.
+ */
+ schedule_work(&sbi->s_error_work);
}
/*
@@ -4130,18 +4293,28 @@ void f2fs_handle_critical_error(struct f2fs_sb_info *sbi, unsigned char reason,
if (shutdown)
set_sbi_flag(sbi, SBI_IS_SHUTDOWN);
+ else
+ dump_stack();
- /* continue filesystem operators if errors=continue */
- if (continue_fs || f2fs_readonly(sb))
+ /*
+ * Continue filesystem operators if errors=continue. Should not set
+ * RO by shutdown, since RO bypasses thaw_super which can hang the
+ * system.
+ */
+ if (continue_fs || f2fs_readonly(sb) || shutdown) {
+ f2fs_warn(sbi, "Stopped filesystem due to reason: %d", reason);
return;
+ }
f2fs_warn(sbi, "Remounting filesystem read-only");
+
/*
- * Make sure updated value of ->s_mount_flags will be visible before
- * ->s_flags update
+ * We have already set CP_ERROR_FLAG flag to stop all updates
+ * to filesystem, so it doesn't need to set SB_RDONLY flag here
+ * because the flag should be set covered w/ sb->s_umount semaphore
+ * via remount procedure, otherwise, it will confuse code like
+ * freeze_super() which will lead to deadlocks and other problems.
*/
- smp_wmb();
- sb->s_flags |= SB_RDONLY;
}
static void f2fs_record_error_work(struct work_struct *work)
@@ -4152,6 +4325,37 @@ static void f2fs_record_error_work(struct work_struct *work)
f2fs_record_stop_reason(sbi);
}
+static inline unsigned int get_first_seq_zone_segno(struct f2fs_sb_info *sbi)
+{
+#ifdef CONFIG_BLK_DEV_ZONED
+ unsigned int zoneno, total_zones;
+ int devi;
+
+ if (!f2fs_sb_has_blkzoned(sbi))
+ return NULL_SEGNO;
+
+ for (devi = 0; devi < sbi->s_ndevs; devi++) {
+ if (!bdev_is_zoned(FDEV(devi).bdev))
+ continue;
+
+ total_zones = GET_ZONE_FROM_SEG(sbi, FDEV(devi).total_segments);
+
+ for (zoneno = 0; zoneno < total_zones; zoneno++) {
+ unsigned int segs, blks;
+
+ if (!f2fs_zone_is_seq(sbi, devi, zoneno))
+ continue;
+
+ segs = GET_SEG_FROM_SEC(sbi,
+ zoneno * sbi->secs_per_zone);
+ blks = SEGS_TO_BLKS(sbi, segs);
+ return GET_SEGNO(sbi, FDEV(devi).start_blk + blks);
+ }
+ }
+#endif
+ return NULL_SEGNO;
+}
+
static int f2fs_scan_devices(struct f2fs_sb_info *sbi)
{
struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi);
@@ -4180,8 +4384,20 @@ static int f2fs_scan_devices(struct f2fs_sb_info *sbi)
logical_blksize = bdev_logical_block_size(sbi->sb->s_bdev);
sbi->aligned_blksize = true;
+#ifdef CONFIG_BLK_DEV_ZONED
+ sbi->max_open_zones = UINT_MAX;
+ sbi->blkzone_alloc_policy = BLKZONE_ALLOC_PRIOR_SEQ;
+#endif
for (i = 0; i < max_devices; i++) {
+ if (max_devices == 1) {
+ FDEV(i).total_segments =
+ le32_to_cpu(raw_super->segment_count_main);
+ FDEV(i).start_blk = 0;
+ FDEV(i).end_blk = FDEV(i).total_segments *
+ BLKS_PER_SEG(sbi);
+ }
+
if (i == 0)
FDEV(0).bdev_file = sbi->sb->s_bdev_file;
else if (!RDEV(i).path[0])
@@ -4352,15 +4568,6 @@ try_onemore:
}
mutex_init(&sbi->flush_lock);
- /* Load the checksum driver */
- sbi->s_chksum_driver = crypto_alloc_shash("crc32", 0, 0);
- if (IS_ERR(sbi->s_chksum_driver)) {
- f2fs_err(sbi, "Cannot load crc32 driver.");
- err = PTR_ERR(sbi->s_chksum_driver);
- sbi->s_chksum_driver = NULL;
- goto free_sbi;
- }
-
/* set a block size */
if (unlikely(!sb_set_blocksize(sb, F2FS_BLKSIZE))) {
f2fs_err(sbi, "unable to set blocksize");
@@ -4381,8 +4588,8 @@ try_onemore:
/* precompute checksum seed for metadata */
if (f2fs_sb_has_inode_chksum(sbi))
- sbi->s_chksum_seed = f2fs_chksum(sbi, ~0, raw_super->uuid,
- sizeof(raw_super->uuid));
+ sbi->s_chksum_seed = f2fs_chksum(~0, raw_super->uuid,
+ sizeof(raw_super->uuid));
default_options(sbi, false);
/* parse mount options */
@@ -4392,7 +4599,11 @@ try_onemore:
goto free_sb_buf;
}
- err = parse_options(sb, options, false);
+ err = parse_options(sbi, options, false);
+ if (err)
+ goto free_options;
+
+ err = f2fs_default_check(sbi);
if (err)
goto free_options;
@@ -4430,7 +4641,16 @@ try_onemore:
sb->s_time_gran = 1;
sb->s_flags = (sb->s_flags & ~SB_POSIXACL) |
(test_opt(sbi, POSIX_ACL) ? SB_POSIXACL : 0);
+ if (test_opt(sbi, INLINECRYPT))
+ sb->s_flags |= SB_INLINECRYPT;
+
+ if (test_opt(sbi, LAZYTIME))
+ sb->s_flags |= SB_LAZYTIME;
+ else
+ sb->s_flags &= ~SB_LAZYTIME;
+
super_set_uuid(sb, (void *) raw_super->uuid, sizeof(raw_super->uuid));
+ super_set_sysfs_name_bdev(sb);
sb->s_iflags |= SB_I_CGROUPWB;
/* init f2fs-specific super block info */
@@ -4547,6 +4767,9 @@ try_onemore:
/* For write statistics */
sbi->sectors_written_start = f2fs_get_sectors_written(sbi);
+ /* get segno of first zoned block device */
+ sbi->first_seq_zone_segno = get_first_seq_zone_segno(sbi);
+
/* Read accumulated write IO statistics if exists */
seg_i = CURSEG_I(sbi, CURSEG_HOT_NODE);
if (__exist_node_summaries(sbi))
@@ -4596,6 +4819,7 @@ try_onemore:
if (err)
goto free_compress_inode;
+ sbi->umount_lock_holder = current;
#ifdef CONFIG_QUOTA
/* Enable quota usage during mount */
if (f2fs_sb_has_quota_ino(sbi) && !f2fs_readonly(sb)) {
@@ -4611,8 +4835,10 @@ try_onemore:
if (err)
goto free_meta;
- if (unlikely(is_set_ckpt_flags(sbi, CP_DISABLED_FLAG)))
+ if (unlikely(is_set_ckpt_flags(sbi, CP_DISABLED_FLAG))) {
+ skip_recovery = true;
goto reset_checkpoint;
+ }
/* recover fsynced data */
if (!test_opt(sbi, DISABLE_ROLL_FORWARD) &&
@@ -4662,32 +4888,29 @@ try_onemore:
}
}
+reset_checkpoint:
#ifdef CONFIG_QUOTA
f2fs_recover_quota_end(sbi, quota_enabled);
#endif
-reset_checkpoint:
/*
* If the f2fs is not readonly and fsync data recovery succeeds,
- * check zoned block devices' write pointer consistency.
+ * write pointer consistency of cursegs and other zones are already
+ * checked and fixed during recovery. However, if recovery fails,
+ * write pointers are left untouched, and retry-mount should check
+ * them here.
*/
- if (f2fs_sb_has_blkzoned(sbi) && !f2fs_readonly(sb)) {
- int err2;
-
- f2fs_notice(sbi, "Checking entire write pointers");
- err2 = f2fs_check_write_pointer(sbi);
- if (err2)
- err = err2;
- }
+ if (skip_recovery)
+ err = f2fs_check_and_fix_write_pointer(sbi);
if (err)
goto free_meta;
+ /* f2fs_recover_fsync_data() cleared this already */
+ clear_sbi_flag(sbi, SBI_POR_DOING);
+
err = f2fs_init_inmem_curseg(sbi);
if (err)
goto sync_free_meta;
- /* f2fs_recover_fsync_data() cleared this already */
- clear_sbi_flag(sbi, SBI_POR_DOING);
-
if (test_opt(sbi, DISABLE_CHECKPOINT)) {
err = f2fs_disable_checkpoint(sbi);
if (err)
@@ -4725,6 +4948,8 @@ reset_checkpoint:
f2fs_update_time(sbi, CP_TIME);
f2fs_update_time(sbi, REQ_TIME);
clear_sbi_flag(sbi, SBI_CP_DISABLED_QUICK);
+
+ sbi->umount_lock_holder = NULL;
return 0;
sync_free_meta:
@@ -4804,8 +5029,6 @@ free_options:
free_sb_buf:
kfree(raw_super);
free_sbi:
- if (sbi->s_chksum_driver)
- crypto_free_shash(sbi->s_chksum_driver);
kfree(sbi);
sb->s_fs_info = NULL;
@@ -4829,6 +5052,8 @@ static void kill_f2fs_super(struct super_block *sb)
struct f2fs_sb_info *sbi = F2FS_SB(sb);
if (sb->s_root) {
+ sbi->umount_lock_holder = current;
+
set_sbi_flag(sbi, SBI_IS_CLOSE);
f2fs_stop_gc_thread(sbi);
f2fs_stop_discard_thread(sbi);
@@ -4894,12 +5119,6 @@ static int __init init_f2fs_fs(void)
{
int err;
- if (PAGE_SIZE != F2FS_BLKSIZE) {
- printk("F2FS not supported on PAGE_SIZE(%lu) != BLOCK_SIZE(%lu)\n",
- PAGE_SIZE, F2FS_BLKSIZE);
- return -EINVAL;
- }
-
err = init_inodecache();
if (err)
goto fail;
@@ -4927,9 +5146,6 @@ static int __init init_f2fs_fs(void)
err = f2fs_init_shrinker();
if (err)
goto free_sysfs;
- err = register_filesystem(&f2fs_fs_type);
- if (err)
- goto free_shrinker;
f2fs_create_root_stats();
err = f2fs_init_post_read_processing();
if (err)
@@ -4952,7 +5168,12 @@ static int __init init_f2fs_fs(void)
err = f2fs_create_casefold_cache();
if (err)
goto free_compress_cache;
+ err = register_filesystem(&f2fs_fs_type);
+ if (err)
+ goto free_casefold_cache;
return 0;
+free_casefold_cache:
+ f2fs_destroy_casefold_cache();
free_compress_cache:
f2fs_destroy_compress_cache();
free_compress_mempool:
@@ -4967,8 +5188,6 @@ free_post_read:
f2fs_destroy_post_read_processing();
free_root_stats:
f2fs_destroy_root_stats();
- unregister_filesystem(&f2fs_fs_type);
-free_shrinker:
f2fs_exit_shrinker();
free_sysfs:
f2fs_exit_sysfs();
@@ -4992,6 +5211,7 @@ fail:
static void __exit exit_f2fs_fs(void)
{
+ unregister_filesystem(&f2fs_fs_type);
f2fs_destroy_casefold_cache();
f2fs_destroy_compress_cache();
f2fs_destroy_compress_mempool();
@@ -5000,7 +5220,6 @@ static void __exit exit_f2fs_fs(void)
f2fs_destroy_iostat_processing();
f2fs_destroy_post_read_processing();
f2fs_destroy_root_stats();
- unregister_filesystem(&f2fs_fs_type);
f2fs_exit_shrinker();
f2fs_exit_sysfs();
f2fs_destroy_garbage_collection_cache();
@@ -5018,5 +5237,3 @@ module_exit(exit_f2fs_fs)
MODULE_AUTHOR("Samsung Electronics's Praesto Team");
MODULE_DESCRIPTION("Flash Friendly File System");
MODULE_LICENSE("GPL");
-MODULE_SOFTDEP("pre: crc32");
-
generated by cgit (git 2.34.1) at 2025-07-23 07:25:16 +0000