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Commit da812f61 authored by Lukas Czerner's avatar Lukas Czerner Committed by Theodore Ts'o
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ext4: Allow sb to be NULL in ext4_msg() 

At the parsing phase of mount in the new mount api sb will not be
available so allow sb to be NULL in ext4_msg and use that in
handle_mount_opt().

Also change return value to appropriate -EINVAL where needed.
Signed-off-by: default avatarLukas Czerner <lczerner@redhat.com>
Reviewed-by: default avatarCarlos Maiolino <cmaiolino@redhat.com>
Link: https://lore.kernel.org/r/20211027141857.33657-6-lczerner@redhat.comSigned-off-by: default avatarTheodore Ts'o <tytso@mit.edu>
parent 461c3af0
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Showing with 78 additions and 66 deletions
fs/ext4/super.c
View file @ da812f61
...@@ -88,7 +88,7 @@ static void ext4_unregister_li_request(struct super_block *sb); ...@@ -88,7 +88,7 @@ static void ext4_unregister_li_request(struct super_block *sb);
static void ext4_clear_request_list(void); static void ext4_clear_request_list(void);
static struct inode *ext4_get_journal_inode(struct super_block *sb, static struct inode *ext4_get_journal_inode(struct super_block *sb,
unsigned int journal_inum); unsigned int journal_inum);
static int ext4_validate_options(struct super_block *sb); static int ext4_validate_options(struct fs_context *fc);
/* /*
* Lock ordering * Lock ordering
...@@ -915,14 +915,20 @@ void __ext4_msg(struct super_block *sb, ...@@ -915,14 +915,20 @@ void __ext4_msg(struct super_block *sb,
struct va_format vaf; struct va_format vaf;
va_list args; va_list args;
if (sb) {
atomic_inc(&EXT4_SB(sb)->s_msg_count); atomic_inc(&EXT4_SB(sb)->s_msg_count);
if (!___ratelimit(&(EXT4_SB(sb)->s_msg_ratelimit_state), "EXT4-fs")) if (!___ratelimit(&(EXT4_SB(sb)->s_msg_ratelimit_state),
"EXT4-fs"))
return; return;
}
va_start(args, fmt); va_start(args, fmt);
vaf.fmt = fmt; vaf.fmt = fmt;
vaf.va = &args; vaf.va = &args;
if (sb)
printk("%sEXT4-fs (%s): %pV\n", prefix, sb->s_id, &vaf); printk("%sEXT4-fs (%s): %pV\n", prefix, sb->s_id, &vaf);
else
printk("%sEXT4-fs: %pV\n", prefix, &vaf);
va_end(args); va_end(args);
} }
...@@ -2286,12 +2292,12 @@ static int handle_mount_opt(struct fs_context *fc, struct fs_parameter *param) ...@@ -2286,12 +2292,12 @@ static int handle_mount_opt(struct fs_context *fc, struct fs_parameter *param)
switch (token) { switch (token) {
case Opt_noacl: case Opt_noacl:
case Opt_nouser_xattr: case Opt_nouser_xattr:
ext4_msg(sb, KERN_WARNING, deprecated_msg, param->key, "3.5"); ext4_msg(NULL, KERN_WARNING, deprecated_msg, param->key, "3.5");
break; break;
case Opt_sb: case Opt_sb:
return 1; /* handled by get_sb_block() */ return 1; /* handled by get_sb_block() */
case Opt_removed: case Opt_removed:
ext4_msg(sb, KERN_WARNING, "Ignoring removed %s option", ext4_msg(NULL, KERN_WARNING, "Ignoring removed %s option",
param->key); param->key);
return 1; return 1;
case Opt_abort: case Opt_abort:
...@@ -2310,7 +2316,7 @@ static int handle_mount_opt(struct fs_context *fc, struct fs_parameter *param) ...@@ -2310,7 +2316,7 @@ static int handle_mount_opt(struct fs_context *fc, struct fs_parameter *param)
#ifdef CONFIG_FS_ENCRYPTION_INLINE_CRYPT #ifdef CONFIG_FS_ENCRYPTION_INLINE_CRYPT
sb->s_flags |= SB_INLINECRYPT; sb->s_flags |= SB_INLINECRYPT;
#else #else
ext4_msg(sb, KERN_ERR, "inline encryption not supported"); ext4_msg(NULL, KERN_ERR, "inline encryption not supported");
#endif #endif
return 1; return 1;
case Opt_errors: case Opt_errors:
...@@ -2326,22 +2332,22 @@ static int handle_mount_opt(struct fs_context *fc, struct fs_parameter *param) ...@@ -2326,22 +2332,22 @@ static int handle_mount_opt(struct fs_context *fc, struct fs_parameter *param)
break; break;
if (m->token == Opt_err) { if (m->token == Opt_err) {
ext4_msg(sb, KERN_ERR, "Unrecognized mount option \"%s\" " ext4_msg(NULL, KERN_ERR, "Unrecognized mount option \"%s\" "
"or missing value", param->key); "or missing value", param->key);
return -1; return -EINVAL;
} }
if ((m->flags & MOPT_NO_EXT2) && IS_EXT2_SB(sb)) { if ((m->flags & MOPT_NO_EXT2) && IS_EXT2_SB(sb)) {
ext4_msg(sb, KERN_ERR, ext4_msg(NULL, KERN_ERR,
"Mount option \"%s\" incompatible with ext2", "Mount option \"%s\" incompatible with ext2",
param->key); param->key);
return -1; return -EINVAL;
} }
if ((m->flags & MOPT_NO_EXT3) && IS_EXT3_SB(sb)) { if ((m->flags & MOPT_NO_EXT3) && IS_EXT3_SB(sb)) {
ext4_msg(sb, KERN_ERR, ext4_msg(NULL, KERN_ERR,
"Mount option \"%s\" incompatible with ext3", "Mount option \"%s\" incompatible with ext3",
param->key); param->key);
return -1; return -EINVAL;
} }
if (m->flags & MOPT_EXPLICIT) { if (m->flags & MOPT_EXPLICIT) {
...@@ -2350,28 +2356,28 @@ static int handle_mount_opt(struct fs_context *fc, struct fs_parameter *param) ...@@ -2350,28 +2356,28 @@ static int handle_mount_opt(struct fs_context *fc, struct fs_parameter *param)
} else if (m->mount_opt & EXT4_MOUNT_JOURNAL_CHECKSUM) { } else if (m->mount_opt & EXT4_MOUNT_JOURNAL_CHECKSUM) {
set_opt2(sb, EXPLICIT_JOURNAL_CHECKSUM); set_opt2(sb, EXPLICIT_JOURNAL_CHECKSUM);
} else } else
return -1; return -EINVAL;
} }
if (m->flags & MOPT_CLEAR_ERR) if (m->flags & MOPT_CLEAR_ERR)
clear_opt(sb, ERRORS_MASK); clear_opt(sb, ERRORS_MASK);
if (token == Opt_noquota && sb_any_quota_loaded(sb)) { if (token == Opt_noquota && sb_any_quota_loaded(sb)) {
ext4_msg(sb, KERN_ERR, "Cannot change quota " ext4_msg(NULL, KERN_ERR, "Cannot change quota "
"options when quota turned on"); "options when quota turned on");
return -1; return -EINVAL;
} }
if (m->flags & MOPT_NOSUPPORT) { if (m->flags & MOPT_NOSUPPORT) {
ext4_msg(sb, KERN_ERR, "%s option not supported", ext4_msg(NULL, KERN_ERR, "%s option not supported",
param->key); param->key);
} else if (token == Opt_commit) { } else if (token == Opt_commit) {
if (result.uint_32 == 0) if (result.uint_32 == 0)
sbi->s_commit_interval = JBD2_DEFAULT_MAX_COMMIT_AGE; sbi->s_commit_interval = JBD2_DEFAULT_MAX_COMMIT_AGE;
else if (result.uint_32 > INT_MAX / HZ) { else if (result.uint_32 > INT_MAX / HZ) {
ext4_msg(sb, KERN_ERR, ext4_msg(NULL, KERN_ERR,
"Invalid commit interval %d, " "Invalid commit interval %d, "
"must be smaller than %d", "must be smaller than %d",
result.uint_32, INT_MAX / HZ); result.uint_32, INT_MAX / HZ);
return -1; return -EINVAL;
} }
sbi->s_commit_interval = HZ * result.uint_32; sbi->s_commit_interval = HZ * result.uint_32;
} else if (token == Opt_debug_want_extra_isize) { } else if (token == Opt_debug_want_extra_isize) {
...@@ -2379,9 +2385,9 @@ static int handle_mount_opt(struct fs_context *fc, struct fs_parameter *param) ...@@ -2379,9 +2385,9 @@ static int handle_mount_opt(struct fs_context *fc, struct fs_parameter *param)
(result.uint_32 < 4) || (result.uint_32 < 4) ||
(result.uint_32 > (result.uint_32 >
(sbi->s_inode_size - EXT4_GOOD_OLD_INODE_SIZE))) { (sbi->s_inode_size - EXT4_GOOD_OLD_INODE_SIZE))) {
ext4_msg(sb, KERN_ERR, ext4_msg(NULL, KERN_ERR,
"Invalid want_extra_isize %d", result.uint_32); "Invalid want_extra_isize %d", result.uint_32);
return -1; return -EINVAL;
} }
sbi->s_want_extra_isize = result.uint_32; sbi->s_want_extra_isize = result.uint_32;
} else if (token == Opt_max_batch_time) { } else if (token == Opt_max_batch_time) {
...@@ -2392,10 +2398,10 @@ static int handle_mount_opt(struct fs_context *fc, struct fs_parameter *param) ...@@ -2392,10 +2398,10 @@ static int handle_mount_opt(struct fs_context *fc, struct fs_parameter *param)
if (result.uint_32 && if (result.uint_32 &&
(result.uint_32 > (1 << 30) || (result.uint_32 > (1 << 30) ||
!is_power_of_2(result.uint_32))) { !is_power_of_2(result.uint_32))) {
ext4_msg(sb, KERN_ERR, ext4_msg(NULL, KERN_ERR,
"EXT4-fs: inode_readahead_blks must be " "EXT4-fs: inode_readahead_blks must be "
"0 or a power of 2 smaller than 2^31"); "0 or a power of 2 smaller than 2^31");
return -1; return -EINVAL;
} }
sbi->s_inode_readahead_blks = result.uint_32; sbi->s_inode_readahead_blks = result.uint_32;
} else if (token == Opt_init_itable) { } else if (token == Opt_init_itable) {
...@@ -2414,24 +2420,24 @@ static int handle_mount_opt(struct fs_context *fc, struct fs_parameter *param) ...@@ -2414,24 +2420,24 @@ static int handle_mount_opt(struct fs_context *fc, struct fs_parameter *param)
} else if (token == Opt_resuid) { } else if (token == Opt_resuid) {
uid = make_kuid(current_user_ns(), result.uint_32); uid = make_kuid(current_user_ns(), result.uint_32);
if (!uid_valid(uid)) { if (!uid_valid(uid)) {
ext4_msg(sb, KERN_ERR, "Invalid uid value %d", ext4_msg(NULL, KERN_ERR, "Invalid uid value %d",
result.uint_32); result.uint_32);
return -1; return -EINVAL;
} }
sbi->s_resuid = uid; sbi->s_resuid = uid;
} else if (token == Opt_resgid) { } else if (token == Opt_resgid) {
gid = make_kgid(current_user_ns(), result.uint_32); gid = make_kgid(current_user_ns(), result.uint_32);
if (!gid_valid(gid)) { if (!gid_valid(gid)) {
ext4_msg(sb, KERN_ERR, "Invalid gid value %d", ext4_msg(NULL, KERN_ERR, "Invalid gid value %d",
result.uint_32); result.uint_32);
return -1; return -EINVAL;
} }
sbi->s_resgid = gid; sbi->s_resgid = gid;
} else if (token == Opt_journal_dev) { } else if (token == Opt_journal_dev) {
if (is_remount) { if (is_remount) {
ext4_msg(sb, KERN_ERR, ext4_msg(NULL, KERN_ERR,
"Cannot specify journal on remount"); "Cannot specify journal on remount");
return -1; return -EINVAL;
} }
ctx->journal_devnum = result.uint_32; ctx->journal_devnum = result.uint_32;
} else if (token == Opt_journal_path) { } else if (token == Opt_journal_path) {
...@@ -2440,16 +2446,16 @@ static int handle_mount_opt(struct fs_context *fc, struct fs_parameter *param) ...@@ -2440,16 +2446,16 @@ static int handle_mount_opt(struct fs_context *fc, struct fs_parameter *param)
int error; int error;
if (is_remount) { if (is_remount) {
ext4_msg(sb, KERN_ERR, ext4_msg(NULL, KERN_ERR,
"Cannot specify journal on remount"); "Cannot specify journal on remount");
return -1; return -EINVAL;
} }
error = fs_lookup_param(fc, param, 1, &path); error = fs_lookup_param(fc, param, 1, &path);
if (error) { if (error) {
ext4_msg(sb, KERN_ERR, "error: could not find " ext4_msg(NULL, KERN_ERR, "error: could not find "
"journal device path"); "journal device path");
return -1; return -EINVAL;
} }
journal_inode = d_inode(path.dentry); journal_inode = d_inode(path.dentry);
...@@ -2457,9 +2463,9 @@ static int handle_mount_opt(struct fs_context *fc, struct fs_parameter *param) ...@@ -2457,9 +2463,9 @@ static int handle_mount_opt(struct fs_context *fc, struct fs_parameter *param)
path_put(&path); path_put(&path);
} else if (token == Opt_journal_ioprio) { } else if (token == Opt_journal_ioprio) {
if (result.uint_32 > 7) { if (result.uint_32 > 7) {
ext4_msg(sb, KERN_ERR, "Invalid journal IO priority" ext4_msg(NULL, KERN_ERR, "Invalid journal IO priority"
" (must be 0-7)"); " (must be 0-7)");
return -1; return -EINVAL;
} }
ctx->journal_ioprio = ctx->journal_ioprio =
IOPRIO_PRIO_VALUE(IOPRIO_CLASS_BE, result.uint_32); IOPRIO_PRIO_VALUE(IOPRIO_CLASS_BE, result.uint_32);
...@@ -2468,11 +2474,11 @@ static int handle_mount_opt(struct fs_context *fc, struct fs_parameter *param) ...@@ -2468,11 +2474,11 @@ static int handle_mount_opt(struct fs_context *fc, struct fs_parameter *param)
} else if (m->flags & MOPT_DATAJ) { } else if (m->flags & MOPT_DATAJ) {
if (is_remount) { if (is_remount) {
if (!sbi->s_journal) if (!sbi->s_journal)
ext4_msg(sb, KERN_WARNING, "Remounting file system with no journal so ignoring journalled data option"); ext4_msg(NULL, KERN_WARNING, "Remounting file system with no journal so ignoring journalled data option");
else if (test_opt(sb, DATA_FLAGS) != m->mount_opt) { else if (test_opt(sb, DATA_FLAGS) != m->mount_opt) {
ext4_msg(sb, KERN_ERR, ext4_msg(NULL, KERN_ERR,
"Cannot change data mode on remount"); "Cannot change data mode on remount");
return -1; return -EINVAL;
} }
} else { } else {
clear_opt(sb, DATA_FLAGS); clear_opt(sb, DATA_FLAGS);
...@@ -2482,12 +2488,12 @@ static int handle_mount_opt(struct fs_context *fc, struct fs_parameter *param) ...@@ -2482,12 +2488,12 @@ static int handle_mount_opt(struct fs_context *fc, struct fs_parameter *param)
} else if (m->flags & MOPT_QFMT) { } else if (m->flags & MOPT_QFMT) {
if (sb_any_quota_loaded(sb) && if (sb_any_quota_loaded(sb) &&
sbi->s_jquota_fmt != m->mount_opt) { sbi->s_jquota_fmt != m->mount_opt) {
ext4_msg(sb, KERN_ERR, "Cannot change journaled " ext4_msg(NULL, KERN_ERR, "Cannot change journaled "
"quota options when quota turned on"); "quota options when quota turned on");
return -1; return -EINVAL;
} }
if (ext4_has_feature_quota(sb)) { if (ext4_has_feature_quota(sb)) {
ext4_msg(sb, KERN_INFO, ext4_msg(NULL, KERN_INFO,
"Quota format mount options ignored " "Quota format mount options ignored "
"when QUOTA feature is enabled"); "when QUOTA feature is enabled");
return 1; return 1;
...@@ -2504,18 +2510,18 @@ static int handle_mount_opt(struct fs_context *fc, struct fs_parameter *param) ...@@ -2504,18 +2510,18 @@ static int handle_mount_opt(struct fs_context *fc, struct fs_parameter *param)
(!(sbi->s_mount_opt & EXT4_MOUNT_DAX_ALWAYS) || (!(sbi->s_mount_opt & EXT4_MOUNT_DAX_ALWAYS) ||
(sbi->s_mount_opt2 & EXT4_MOUNT2_DAX_NEVER))) { (sbi->s_mount_opt2 & EXT4_MOUNT2_DAX_NEVER))) {
fail_dax_change_remount: fail_dax_change_remount:
ext4_msg(sb, KERN_ERR, "can't change " ext4_msg(NULL, KERN_ERR, "can't change "
"dax mount option while remounting"); "dax mount option while remounting");
return -1; return -EINVAL;
} }
if (is_remount && if (is_remount &&
(test_opt(sb, DATA_FLAGS) == (test_opt(sb, DATA_FLAGS) ==
EXT4_MOUNT_JOURNAL_DATA)) { EXT4_MOUNT_JOURNAL_DATA)) {
ext4_msg(sb, KERN_ERR, "can't mount with " ext4_msg(NULL, KERN_ERR, "can't mount with "
"both data=journal and dax"); "both data=journal and dax");
return -1; return -EINVAL;
} }
ext4_msg(sb, KERN_WARNING, ext4_msg(NULL, KERN_WARNING,
"DAX enabled. Warning: EXPERIMENTAL, use at your own risk"); "DAX enabled. Warning: EXPERIMENTAL, use at your own risk");
sbi->s_mount_opt |= EXT4_MOUNT_DAX_ALWAYS; sbi->s_mount_opt |= EXT4_MOUNT_DAX_ALWAYS;
sbi->s_mount_opt2 &= ~EXT4_MOUNT2_DAX_NEVER; sbi->s_mount_opt2 &= ~EXT4_MOUNT2_DAX_NEVER;
...@@ -2541,10 +2547,10 @@ static int handle_mount_opt(struct fs_context *fc, struct fs_parameter *param) ...@@ -2541,10 +2547,10 @@ static int handle_mount_opt(struct fs_context *fc, struct fs_parameter *param)
break; break;
} }
#else #else
ext4_msg(sb, KERN_INFO, "dax option not supported"); ext4_msg(NULL, KERN_INFO, "dax option not supported");
sbi->s_mount_opt2 |= EXT4_MOUNT2_DAX_NEVER; sbi->s_mount_opt2 |= EXT4_MOUNT2_DAX_NEVER;
sbi->s_mount_opt &= ~EXT4_MOUNT_DAX_ALWAYS; sbi->s_mount_opt &= ~EXT4_MOUNT_DAX_ALWAYS;
return -1; return -EINVAL;
#endif #endif
} else if (token == Opt_data_err_abort) { } else if (token == Opt_data_err_abort) {
sbi->s_mount_opt |= m->mount_opt; sbi->s_mount_opt |= m->mount_opt;
...@@ -2552,9 +2558,9 @@ static int handle_mount_opt(struct fs_context *fc, struct fs_parameter *param) ...@@ -2552,9 +2558,9 @@ static int handle_mount_opt(struct fs_context *fc, struct fs_parameter *param)
sbi->s_mount_opt &= ~m->mount_opt; sbi->s_mount_opt &= ~m->mount_opt;
} else if (token == Opt_mb_optimize_scan) { } else if (token == Opt_mb_optimize_scan) {
if (result.int_32 != 0 && result.int_32 != 1) { if (result.int_32 != 0 && result.int_32 != 1) {
ext4_msg(sb, KERN_WARNING, ext4_msg(NULL, KERN_WARNING,
"mb_optimize_scan should be set to 0 or 1."); "mb_optimize_scan should be set to 0 or 1.");
return -1; return -EINVAL;
} }
ctx->mb_optimize_scan = result.int_32; ctx->mb_optimize_scan = result.int_32;
} else { } else {
...@@ -2567,11 +2573,11 @@ static int handle_mount_opt(struct fs_context *fc, struct fs_parameter *param) ...@@ -2567,11 +2573,11 @@ static int handle_mount_opt(struct fs_context *fc, struct fs_parameter *param)
if (m->flags & MOPT_CLEAR) if (m->flags & MOPT_CLEAR)
set = !set; set = !set;
else if (unlikely(!(m->flags & MOPT_SET))) { else if (unlikely(!(m->flags & MOPT_SET))) {
ext4_msg(sb, KERN_WARNING, ext4_msg(NULL, KERN_WARNING,
"buggy handling of option %s", "buggy handling of option %s",
param->key); param->key);
WARN_ON(1); WARN_ON(1);
return -1; return -EINVAL;
} }
if (m->flags & MOPT_2) { if (m->flags & MOPT_2) {
if (set != 0) if (set != 0)
...@@ -2639,12 +2645,17 @@ static int parse_options(char *options, struct super_block *sb, ...@@ -2639,12 +2645,17 @@ static int parse_options(char *options, struct super_block *sb,
} }
} }
return ext4_validate_options(sb); ret = ext4_validate_options(&fc);
if (ret < 0)
return 0;
return 1;
} }
static int ext4_validate_options(struct super_block *sb) static int ext4_validate_options(struct fs_context *fc)
{ {
struct ext4_sb_info *sbi = EXT4_SB(sb); struct ext4_sb_info *sbi = fc->s_fs_info;
struct super_block *sb = sbi->s_sb;
#ifdef CONFIG_QUOTA #ifdef CONFIG_QUOTA
char *usr_qf_name, *grp_qf_name; char *usr_qf_name, *grp_qf_name;
/* /*
...@@ -2653,9 +2664,9 @@ static int ext4_validate_options(struct super_block *sb) ...@@ -2653,9 +2664,9 @@ static int ext4_validate_options(struct super_block *sb)
* to support legacy quotas in quota files. * to support legacy quotas in quota files.
*/ */
if (test_opt(sb, PRJQUOTA) && !ext4_has_feature_project(sb)) { if (test_opt(sb, PRJQUOTA) && !ext4_has_feature_project(sb)) {
ext4_msg(sb, KERN_ERR, "Project quota feature not enabled. " ext4_msg(NULL, KERN_ERR, "Project quota feature not enabled. "
"Cannot enable project quota enforcement."); "Cannot enable project quota enforcement.");
return 0; return -EINVAL;
} }
usr_qf_name = get_qf_name(sb, sbi, USRQUOTA); usr_qf_name = get_qf_name(sb, sbi, USRQUOTA);
grp_qf_name = get_qf_name(sb, sbi, GRPQUOTA); grp_qf_name = get_qf_name(sb, sbi, GRPQUOTA);
...@@ -2667,15 +2678,15 @@ static int ext4_validate_options(struct super_block *sb) ...@@ -2667,15 +2678,15 @@ static int ext4_validate_options(struct super_block *sb)
clear_opt(sb, GRPQUOTA); clear_opt(sb, GRPQUOTA);
if (test_opt(sb, GRPQUOTA) || test_opt(sb, USRQUOTA)) { if (test_opt(sb, GRPQUOTA) || test_opt(sb, USRQUOTA)) {
ext4_msg(sb, KERN_ERR, "old and new quota " ext4_msg(NULL, KERN_ERR, "old and new quota "
"format mixing"); "format mixing");
return 0; return -EINVAL;
} }
if (!sbi->s_jquota_fmt) { if (!sbi->s_jquota_fmt) {
ext4_msg(sb, KERN_ERR, "journaled quota format " ext4_msg(NULL, KERN_ERR, "journaled quota format "
"not specified"); "not specified");
return 0; return -EINVAL;
} }
} }
#endif #endif
...@@ -2683,11 +2694,12 @@ static int ext4_validate_options(struct super_block *sb) ...@@ -2683,11 +2694,12 @@ static int ext4_validate_options(struct super_block *sb)
int blocksize = int blocksize =
BLOCK_SIZE << le32_to_cpu(sbi->s_es->s_log_block_size); BLOCK_SIZE << le32_to_cpu(sbi->s_es->s_log_block_size);
if (blocksize < PAGE_SIZE) if (blocksize < PAGE_SIZE)
ext4_msg(sb, KERN_WARNING, "Warning: mounting with an " ext4_msg(NULL, KERN_WARNING,
"experimental mount option 'dioread_nolock' " "Warning: mounting with an experimental "
"for blocksize < PAGE_SIZE"); "option 'dioread_nolock' for "
"blocksize < PAGE_SIZE");
} }
return 1; return 0;
} }
static inline void ext4_show_quota_options(struct seq_file *seq, static inline void ext4_show_quota_options(struct seq_file *seq,
......
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