static int ext4_verify_csum_type(struct super_block *sb,
struct ext4_super_block *es)
{
- if (!EXT4_HAS_RO_COMPAT_FEATURE(sb,
- EXT4_FEATURE_RO_COMPAT_METADATA_CSUM))
+ if (!ext4_has_feature_metadata_csum(sb))
return 1;
return es->s_checksum_type == EXT4_CRC32C_CHKSUM;
smp_wmb();
sb->s_flags |= MS_RDONLY;
}
- if (test_opt(sb, ERRORS_PANIC))
+ if (test_opt(sb, ERRORS_PANIC)) {
+ if (EXT4_SB(sb)->s_journal &&
+ !(EXT4_SB(sb)->s_journal->j_flags & JBD2_REC_ERR))
+ return;
panic("EXT4-fs (device %s): panic forced after error\n",
sb->s_id);
+ }
}
#define ext4_error_ratelimit(sb) \
char *errstr = NULL;
switch (errno) {
+ case -EFSCORRUPTED:
+ errstr = "Corrupt filesystem";
+ break;
+ case -EFSBADCRC:
+ errstr = "Filesystem failed CRC";
+ break;
case -EIO:
errstr = "IO failure";
break;
jbd2_journal_abort(EXT4_SB(sb)->s_journal, -EIO);
save_error_info(sb, function, line);
}
- if (test_opt(sb, ERRORS_PANIC))
+ if (test_opt(sb, ERRORS_PANIC)) {
+ if (EXT4_SB(sb)->s_journal &&
+ !(EXT4_SB(sb)->s_journal->j_flags & JBD2_REC_ERR))
+ return;
panic("EXT4-fs panic from previous error\n");
+ }
}
void __ext4_msg(struct super_block *sb,
ext4_xattr_put_super(sb);
if (!(sb->s_flags & MS_RDONLY)) {
- EXT4_CLEAR_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_RECOVER);
+ ext4_clear_feature_journal_needs_recovery(sb);
es->s_state = cpu_to_le16(sbi->s_mount_state);
}
if (!(sb->s_flags & MS_RDONLY))
"quota options when quota turned on");
return -1;
}
- if (EXT4_HAS_RO_COMPAT_FEATURE(sb, EXT4_FEATURE_RO_COMPAT_QUOTA)) {
+ if (ext4_has_feature_quota(sb)) {
ext4_msg(sb, KERN_ERR, "Cannot set journaled quota options "
"when QUOTA feature is enabled");
return -1;
{Opt_nojournal_checksum, EXT4_MOUNT_JOURNAL_CHECKSUM,
MOPT_EXT4_ONLY | MOPT_CLEAR},
{Opt_journal_checksum, EXT4_MOUNT_JOURNAL_CHECKSUM,
- MOPT_EXT4_ONLY | MOPT_SET},
+ MOPT_EXT4_ONLY | MOPT_SET | MOPT_EXPLICIT},
{Opt_journal_async_commit, (EXT4_MOUNT_JOURNAL_ASYNC_COMMIT |
EXT4_MOUNT_JOURNAL_CHECKSUM),
- MOPT_EXT4_ONLY | MOPT_SET},
+ MOPT_EXT4_ONLY | MOPT_SET | MOPT_EXPLICIT},
{Opt_noload, EXT4_MOUNT_NOLOAD, MOPT_NO_EXT2 | MOPT_SET},
{Opt_err_panic, EXT4_MOUNT_ERRORS_PANIC, MOPT_SET | MOPT_CLEAR_ERR},
{Opt_err_ro, EXT4_MOUNT_ERRORS_RO, MOPT_SET | MOPT_CLEAR_ERR},
return -1;
if (args->from && (m->flags & MOPT_GTE0) && (arg < 0))
return -1;
- if (m->flags & MOPT_EXPLICIT)
- set_opt2(sb, EXPLICIT_DELALLOC);
+ if (m->flags & MOPT_EXPLICIT) {
+ if (m->mount_opt & EXT4_MOUNT_DELALLOC) {
+ set_opt2(sb, EXPLICIT_DELALLOC);
+ } else if (m->mount_opt & EXT4_MOUNT_JOURNAL_CHECKSUM) {
+ set_opt2(sb, EXPLICIT_JOURNAL_CHECKSUM);
+ } else
+ return -1;
+ }
if (m->flags & MOPT_CLEAR_ERR)
clear_opt(sb, ERRORS_MASK);
if (token == Opt_noquota && sb_any_quota_loaded(sb)) {
"quota options when quota turned on");
return -1;
}
- if (EXT4_HAS_RO_COMPAT_FEATURE(sb,
- EXT4_FEATURE_RO_COMPAT_QUOTA)) {
+ if (ext4_has_feature_quota(sb)) {
ext4_msg(sb, KERN_ERR,
"Cannot set journaled quota options "
"when QUOTA feature is enabled");
return 0;
}
#ifdef CONFIG_QUOTA
- if (EXT4_HAS_RO_COMPAT_FEATURE(sb, EXT4_FEATURE_RO_COMPAT_QUOTA) &&
+ if (ext4_has_feature_quota(sb) &&
(test_opt(sb, USRQUOTA) || test_opt(sb, GRPQUOTA))) {
ext4_msg(sb, KERN_ERR, "Cannot set quota options when QUOTA "
"feature is enabled");
es->s_mtime = cpu_to_le32(get_seconds());
ext4_update_dynamic_rev(sb);
if (sbi->s_journal)
- EXT4_SET_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_RECOVER);
+ ext4_set_feature_journal_needs_recovery(sb);
ext4_commit_super(sb, 1);
done:
return 0;
}
-static __le16 ext4_group_desc_csum(struct ext4_sb_info *sbi, __u32 block_group,
+static __le16 ext4_group_desc_csum(struct super_block *sb, __u32 block_group,
struct ext4_group_desc *gdp)
{
int offset;
__u16 crc = 0;
__le32 le_group = cpu_to_le32(block_group);
+ struct ext4_sb_info *sbi = EXT4_SB(sb);
if (ext4_has_metadata_csum(sbi->s_sb)) {
/* Use new metadata_csum algorithm */
}
/* old crc16 code */
- if (!(sbi->s_es->s_feature_ro_compat &
- cpu_to_le32(EXT4_FEATURE_RO_COMPAT_GDT_CSUM)))
+ if (!ext4_has_feature_gdt_csum(sb))
return 0;
offset = offsetof(struct ext4_group_desc, bg_checksum);
crc = crc16(crc, (__u8 *)gdp, offset);
offset += sizeof(gdp->bg_checksum); /* skip checksum */
/* for checksum of struct ext4_group_desc do the rest...*/
- if ((sbi->s_es->s_feature_incompat &
- cpu_to_le32(EXT4_FEATURE_INCOMPAT_64BIT)) &&
+ if (ext4_has_feature_64bit(sb) &&
offset < le16_to_cpu(sbi->s_es->s_desc_size))
crc = crc16(crc, (__u8 *)gdp + offset,
le16_to_cpu(sbi->s_es->s_desc_size) -
struct ext4_group_desc *gdp)
{
if (ext4_has_group_desc_csum(sb) &&
- (gdp->bg_checksum != ext4_group_desc_csum(EXT4_SB(sb),
- block_group, gdp)))
+ (gdp->bg_checksum != ext4_group_desc_csum(sb, block_group, gdp)))
return 0;
return 1;
{
if (!ext4_has_group_desc_csum(sb))
return;
- gdp->bg_checksum = ext4_group_desc_csum(EXT4_SB(sb), block_group, gdp);
+ gdp->bg_checksum = ext4_group_desc_csum(sb, block_group, gdp);
}
/* Called at mount-time, super-block is locked */
int flexbg_flag = 0;
ext4_group_t i, grp = sbi->s_groups_count;
- if (EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_FLEX_BG))
+ if (ext4_has_feature_flex_bg(sb))
flexbg_flag = 1;
ext4_debug("Checking group descriptors");
if (!ext4_group_desc_csum_verify(sb, i, gdp)) {
ext4_msg(sb, KERN_ERR, "ext4_check_descriptors: "
"Checksum for group %u failed (%u!=%u)",
- i, le16_to_cpu(ext4_group_desc_csum(sbi, i,
+ i, le16_to_cpu(ext4_group_desc_csum(sb, i,
gdp)), le16_to_cpu(gdp->bg_checksum));
if (!(sb->s_flags & MS_RDONLY)) {
ext4_unlock_group(sb, i);
first_meta_bg = le32_to_cpu(sbi->s_es->s_first_meta_bg);
- if (!EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_META_BG) ||
- nr < first_meta_bg)
+ if (!ext4_has_feature_meta_bg(sb) || nr < first_meta_bg)
return logical_sb_block + nr + 1;
bg = sbi->s_desc_per_block * nr;
if (ext4_bg_has_super(sb, bg))
*/
static int ext4_feature_set_ok(struct super_block *sb, int readonly)
{
- if (EXT4_HAS_INCOMPAT_FEATURE(sb, ~EXT4_FEATURE_INCOMPAT_SUPP)) {
+ if (ext4_has_unknown_ext4_incompat_features(sb)) {
ext4_msg(sb, KERN_ERR,
"Couldn't mount because of "
"unsupported optional features (%x)",
if (readonly)
return 1;
- if (EXT4_HAS_RO_COMPAT_FEATURE(sb, EXT4_FEATURE_RO_COMPAT_READONLY)) {
+ if (ext4_has_feature_readonly(sb)) {
ext4_msg(sb, KERN_INFO, "filesystem is read-only");
sb->s_flags |= MS_RDONLY;
return 1;
}
/* Check that feature set is OK for a read-write mount */
- if (EXT4_HAS_RO_COMPAT_FEATURE(sb, ~EXT4_FEATURE_RO_COMPAT_SUPP)) {
+ if (ext4_has_unknown_ext4_ro_compat_features(sb)) {
ext4_msg(sb, KERN_ERR, "couldn't mount RDWR because of "
"unsupported optional features (%x)",
(le32_to_cpu(EXT4_SB(sb)->s_es->s_feature_ro_compat) &
* Large file size enabled file system can only be mounted
* read-write on 32-bit systems if kernel is built with CONFIG_LBDAF
*/
- if (EXT4_HAS_RO_COMPAT_FEATURE(sb, EXT4_FEATURE_RO_COMPAT_HUGE_FILE)) {
+ if (ext4_has_feature_huge_file(sb)) {
if (sizeof(blkcnt_t) < sizeof(u64)) {
ext4_msg(sb, KERN_ERR, "Filesystem with huge files "
"cannot be mounted RDWR without "
return 0;
}
}
- if (EXT4_HAS_RO_COMPAT_FEATURE(sb, EXT4_FEATURE_RO_COMPAT_BIGALLOC) &&
- !EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_EXTENTS)) {
+ if (ext4_has_feature_bigalloc(sb) && !ext4_has_feature_extents(sb)) {
ext4_msg(sb, KERN_ERR,
"Can't support bigalloc feature without "
"extents feature\n");
}
#ifndef CONFIG_QUOTA
- if (EXT4_HAS_RO_COMPAT_FEATURE(sb, EXT4_FEATURE_RO_COMPAT_QUOTA) &&
- !readonly) {
+ if (ext4_has_feature_quota(sb) && !readonly) {
ext4_msg(sb, KERN_ERR,
"Filesystem with quota feature cannot be mounted RDWR "
"without CONFIG_QUOTA");
ext4_group_t i, ngroups = ext4_get_groups_count(sb);
int s, j, count = 0;
- if (!EXT4_HAS_RO_COMPAT_FEATURE(sb, EXT4_FEATURE_RO_COMPAT_BIGALLOC))
+ if (!ext4_has_feature_bigalloc(sb))
return (ext4_bg_has_super(sb, grp) + ext4_bg_num_gdb(sb, grp) +
sbi->s_itb_per_group + 2);
* hole punching doesn't need new metadata... This is needed especially
* to keep ext2/3 backward compatibility.
*/
- if (!EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_EXTENTS))
+ if (!ext4_has_feature_extents(sb))
return;
/*
* By default we reserve 2% or 4096 clusters, whichever is smaller.
sbi->s_kbytes_written = le64_to_cpu(es->s_kbytes_written);
/* Warn if metadata_csum and gdt_csum are both set. */
- if (EXT4_HAS_RO_COMPAT_FEATURE(sb,
- EXT4_FEATURE_RO_COMPAT_METADATA_CSUM) &&
- EXT4_HAS_RO_COMPAT_FEATURE(sb, EXT4_FEATURE_RO_COMPAT_GDT_CSUM))
+ if (ext4_has_feature_metadata_csum(sb) &&
+ ext4_has_feature_gdt_csum(sb))
ext4_warning(sb, "metadata_csum and uninit_bg are "
"redundant flags; please run fsck.");
}
/* Load the checksum driver */
- if (EXT4_HAS_RO_COMPAT_FEATURE(sb,
- EXT4_FEATURE_RO_COMPAT_METADATA_CSUM)) {
+ if (ext4_has_feature_metadata_csum(sb)) {
sbi->s_chksum_driver = crypto_alloc_shash("crc32c", 0, 0);
if (IS_ERR(sbi->s_chksum_driver)) {
ext4_msg(sb, KERN_ERR, "Cannot load crc32c driver.");
ext4_msg(sb, KERN_ERR, "VFS: Found ext4 filesystem with "
"invalid superblock checksum. Run e2fsck?");
silent = 1;
+ ret = -EFSBADCRC;
goto cantfind_ext4;
}
/* Precompute checksum seed for all metadata */
- if (EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_CSUM_SEED))
+ if (ext4_has_feature_csum_seed(sb))
sbi->s_csum_seed = le32_to_cpu(es->s_checksum_seed);
else if (ext4_has_metadata_csum(sb))
sbi->s_csum_seed = ext4_chksum(sbi, ~0, es->s_uuid,
(test_opt(sb, POSIX_ACL) ? MS_POSIXACL : 0);
if (le32_to_cpu(es->s_rev_level) == EXT4_GOOD_OLD_REV &&
- (EXT4_HAS_COMPAT_FEATURE(sb, ~0U) ||
- EXT4_HAS_RO_COMPAT_FEATURE(sb, ~0U) ||
- EXT4_HAS_INCOMPAT_FEATURE(sb, ~0U)))
+ (ext4_has_compat_features(sb) ||
+ ext4_has_ro_compat_features(sb) ||
+ ext4_has_incompat_features(sb)))
ext4_msg(sb, KERN_WARNING,
"feature flags set on rev 0 fs, "
"running e2fsck is recommended");
if (es->s_creator_os == cpu_to_le32(EXT4_OS_HURD)) {
set_opt2(sb, HURD_COMPAT);
- if (EXT4_HAS_INCOMPAT_FEATURE(sb,
- EXT4_FEATURE_INCOMPAT_64BIT)) {
+ if (ext4_has_feature_64bit(sb)) {
ext4_msg(sb, KERN_ERR,
"The Hurd can't support 64-bit file systems");
goto failed_mount;
}
}
- if (EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_ENCRYPT) &&
- es->s_encryption_level) {
+ if (ext4_has_feature_encrypt(sb) && es->s_encryption_level) {
ext4_msg(sb, KERN_ERR, "Unsupported encryption level %d",
es->s_encryption_level);
goto failed_mount;
}
}
- has_huge_files = EXT4_HAS_RO_COMPAT_FEATURE(sb,
- EXT4_FEATURE_RO_COMPAT_HUGE_FILE);
+ has_huge_files = ext4_has_feature_huge_file(sb);
sbi->s_bitmap_maxbytes = ext4_max_bitmap_size(sb->s_blocksize_bits,
has_huge_files);
sb->s_maxbytes = ext4_max_size(sb->s_blocksize_bits, has_huge_files);
}
sbi->s_desc_size = le16_to_cpu(es->s_desc_size);
- if (EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_64BIT)) {
+ if (ext4_has_feature_64bit(sb)) {
if (sbi->s_desc_size < EXT4_MIN_DESC_SIZE_64BIT ||
sbi->s_desc_size > EXT4_MAX_DESC_SIZE ||
!is_power_of_2(sbi->s_desc_size)) {
for (i = 0; i < 4; i++)
sbi->s_hash_seed[i] = le32_to_cpu(es->s_hash_seed[i]);
sbi->s_def_hash_version = es->s_def_hash_version;
- if (EXT4_HAS_COMPAT_FEATURE(sb, EXT4_FEATURE_COMPAT_DIR_INDEX)) {
+ if (ext4_has_feature_dir_index(sb)) {
i = le32_to_cpu(es->s_flags);
if (i & EXT2_FLAGS_UNSIGNED_HASH)
sbi->s_hash_unsigned = 3;
/* Handle clustersize */
clustersize = BLOCK_SIZE << le32_to_cpu(es->s_log_cluster_size);
- has_bigalloc = EXT4_HAS_RO_COMPAT_FEATURE(sb,
- EXT4_FEATURE_RO_COMPAT_BIGALLOC);
+ has_bigalloc = ext4_has_feature_bigalloc(sb);
if (has_bigalloc) {
if (clustersize < blocksize) {
ext4_msg(sb, KERN_ERR,
}
if (!ext4_check_descriptors(sb, &first_not_zeroed)) {
ext4_msg(sb, KERN_ERR, "group descriptors corrupted!");
+ ret = -EFSCORRUPTED;
goto failed_mount2;
}
sb->s_xattr = ext4_xattr_handlers;
#ifdef CONFIG_QUOTA
sb->dq_op = &ext4_quota_operations;
- if (EXT4_HAS_RO_COMPAT_FEATURE(sb, EXT4_FEATURE_RO_COMPAT_QUOTA))
+ if (ext4_has_feature_quota(sb))
sb->s_qcop = &dquot_quotactl_sysfile_ops;
else
sb->s_qcop = &ext4_qctl_operations;
sb->s_root = NULL;
needs_recovery = (es->s_last_orphan != 0 ||
- EXT4_HAS_INCOMPAT_FEATURE(sb,
- EXT4_FEATURE_INCOMPAT_RECOVER));
+ ext4_has_feature_journal_needs_recovery(sb));
- if (EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_MMP) &&
- !(sb->s_flags & MS_RDONLY))
+ if (ext4_has_feature_mmp(sb) && !(sb->s_flags & MS_RDONLY))
if (ext4_multi_mount_protect(sb, le64_to_cpu(es->s_mmp_block)))
goto failed_mount3a;
* The first inode we look at is the journal inode. Don't try
* root first: it may be modified in the journal!
*/
- if (!test_opt(sb, NOLOAD) &&
- EXT4_HAS_COMPAT_FEATURE(sb, EXT4_FEATURE_COMPAT_HAS_JOURNAL)) {
+ if (!test_opt(sb, NOLOAD) && ext4_has_feature_journal(sb)) {
if (ext4_load_journal(sb, es, journal_devnum))
goto failed_mount3a;
} else if (test_opt(sb, NOLOAD) && !(sb->s_flags & MS_RDONLY) &&
- EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_RECOVER)) {
+ ext4_has_feature_journal_needs_recovery(sb)) {
ext4_msg(sb, KERN_ERR, "required journal recovery "
"suppressed and not mounted read-only");
goto failed_mount_wq;
} else {
+ /* Nojournal mode, all journal mount options are illegal */
+ if (test_opt2(sb, EXPLICIT_JOURNAL_CHECKSUM)) {
+ ext4_msg(sb, KERN_ERR, "can't mount with "
+ "journal_checksum, fs mounted w/o journal");
+ goto failed_mount_wq;
+ }
+ if (test_opt(sb, JOURNAL_ASYNC_COMMIT)) {
+ ext4_msg(sb, KERN_ERR, "can't mount with "
+ "journal_async_commit, fs mounted w/o journal");
+ goto failed_mount_wq;
+ }
+ if (sbi->s_commit_interval != JBD2_DEFAULT_MAX_COMMIT_AGE*HZ) {
+ ext4_msg(sb, KERN_ERR, "can't mount with "
+ "commit=%lu, fs mounted w/o journal",
+ sbi->s_commit_interval / HZ);
+ goto failed_mount_wq;
+ }
+ if (EXT4_MOUNT_DATA_FLAGS &
+ (sbi->s_mount_opt ^ sbi->s_def_mount_opt)) {
+ ext4_msg(sb, KERN_ERR, "can't mount with "
+ "data=, fs mounted w/o journal");
+ goto failed_mount_wq;
+ }
+ sbi->s_def_mount_opt &= EXT4_MOUNT_JOURNAL_CHECKSUM;
+ clear_opt(sb, JOURNAL_CHECKSUM);
clear_opt(sb, DATA_FLAGS);
sbi->s_journal = NULL;
needs_recovery = 0;
goto no_journal;
}
- if (EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_64BIT) &&
+ if (ext4_has_feature_64bit(sb) &&
!jbd2_journal_set_features(EXT4_SB(sb)->s_journal, 0, 0,
JBD2_FEATURE_INCOMPAT_64BIT)) {
ext4_msg(sb, KERN_ERR, "Failed to set 64-bit journal feature");
}
}
- if ((DUMMY_ENCRYPTION_ENABLED(sbi) ||
- EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_ENCRYPT)) &&
+ if ((DUMMY_ENCRYPTION_ENABLED(sbi) || ext4_has_feature_encrypt(sb)) &&
(blocksize != PAGE_CACHE_SIZE)) {
ext4_msg(sb, KERN_ERR,
"Unsupported blocksize for fs encryption");
goto failed_mount_wq;
}
- if (DUMMY_ENCRYPTION_ENABLED(sbi) &&
- !(sb->s_flags & MS_RDONLY) &&
- !EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_ENCRYPT)) {
- EXT4_SET_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_ENCRYPT);
+ if (DUMMY_ENCRYPTION_ENABLED(sbi) && !(sb->s_flags & MS_RDONLY) &&
+ !ext4_has_feature_encrypt(sb)) {
+ ext4_set_feature_encrypt(sb);
ext4_commit_super(sb, 1);
}
if (sbi->s_inode_size > EXT4_GOOD_OLD_INODE_SIZE) {
sbi->s_want_extra_isize = sizeof(struct ext4_inode) -
EXT4_GOOD_OLD_INODE_SIZE;
- if (EXT4_HAS_RO_COMPAT_FEATURE(sb,
- EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE)) {
+ if (ext4_has_feature_extra_isize(sb)) {
if (sbi->s_want_extra_isize <
le16_to_cpu(es->s_want_extra_isize))
sbi->s_want_extra_isize =
goto failed_mount6;
}
- if (EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_FLEX_BG))
+ if (ext4_has_feature_flex_bg(sb))
if (!ext4_fill_flex_info(sb)) {
ext4_msg(sb, KERN_ERR,
"unable to initialize "
#ifdef CONFIG_QUOTA
/* Enable quota usage during mount. */
- if (EXT4_HAS_RO_COMPAT_FEATURE(sb, EXT4_FEATURE_RO_COMPAT_QUOTA) &&
- !(sb->s_flags & MS_RDONLY)) {
+ if (ext4_has_feature_quota(sb) && !(sb->s_flags & MS_RDONLY)) {
err = ext4_enable_quotas(sb);
if (err)
goto failed_mount8;
struct inode *journal_inode;
journal_t *journal;
- BUG_ON(!EXT4_HAS_COMPAT_FEATURE(sb, EXT4_FEATURE_COMPAT_HAS_JOURNAL));
+ BUG_ON(!ext4_has_feature_journal(sb));
/* First, test for the existence of a valid inode on disk. Bad
* things happen if we iget() an unused inode, as the subsequent
struct ext4_super_block *es;
struct block_device *bdev;
- BUG_ON(!EXT4_HAS_COMPAT_FEATURE(sb, EXT4_FEATURE_COMPAT_HAS_JOURNAL));
+ BUG_ON(!ext4_has_feature_journal(sb));
bdev = ext4_blkdev_get(j_dev, sb);
if (bdev == NULL)
int err = 0;
int really_read_only;
- BUG_ON(!EXT4_HAS_COMPAT_FEATURE(sb, EXT4_FEATURE_COMPAT_HAS_JOURNAL));
+ BUG_ON(!ext4_has_feature_journal(sb));
if (journal_devnum &&
journal_devnum != le32_to_cpu(es->s_journal_dev)) {
* crash? For recovery, we need to check in advance whether we
* can get read-write access to the device.
*/
- if (EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_RECOVER)) {
+ if (ext4_has_feature_journal_needs_recovery(sb)) {
if (sb->s_flags & MS_RDONLY) {
ext4_msg(sb, KERN_INFO, "INFO: recovery "
"required on readonly filesystem");
if (!(journal->j_flags & JBD2_BARRIER))
ext4_msg(sb, KERN_INFO, "barriers disabled");
- if (!EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_RECOVER))
+ if (!ext4_has_feature_journal_needs_recovery(sb))
err = jbd2_journal_wipe(journal, !really_read_only);
if (!err) {
char *save = kmalloc(EXT4_S_ERR_LEN, GFP_KERNEL);
{
journal_t *journal = EXT4_SB(sb)->s_journal;
- if (!EXT4_HAS_COMPAT_FEATURE(sb, EXT4_FEATURE_COMPAT_HAS_JOURNAL)) {
+ if (!ext4_has_feature_journal(sb)) {
BUG_ON(journal != NULL);
return;
}
if (jbd2_journal_flush(journal) < 0)
goto out;
- if (EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_RECOVER) &&
+ if (ext4_has_feature_journal_needs_recovery(sb) &&
sb->s_flags & MS_RDONLY) {
- EXT4_CLEAR_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_RECOVER);
+ ext4_clear_feature_journal_needs_recovery(sb);
ext4_commit_super(sb, 1);
}
int j_errno;
const char *errstr;
- BUG_ON(!EXT4_HAS_COMPAT_FEATURE(sb, EXT4_FEATURE_COMPAT_HAS_JOURNAL));
+ BUG_ON(!ext4_has_feature_journal(sb));
journal = EXT4_SB(sb)->s_journal;
goto out;
/* Journal blocked and flushed, clear needs_recovery flag. */
- EXT4_CLEAR_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_RECOVER);
+ ext4_clear_feature_journal_needs_recovery(sb);
}
error = ext4_commit_super(sb, 1);
if (EXT4_SB(sb)->s_journal) {
/* Reset the needs_recovery flag before the fs is unlocked. */
- EXT4_SET_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_RECOVER);
+ ext4_set_feature_journal_needs_recovery(sb);
}
ext4_commit_super(sb, 1);
ext4_mark_recovery_complete(sb, es);
} else {
/* Make sure we can mount this feature set readwrite */
- if (EXT4_HAS_RO_COMPAT_FEATURE(sb,
- EXT4_FEATURE_RO_COMPAT_READONLY) ||
+ if (ext4_has_feature_readonly(sb) ||
!ext4_feature_set_ok(sb, 0)) {
err = -EROFS;
goto restore_opts;
if (!ext4_group_desc_csum_verify(sb, g, gdp)) {
ext4_msg(sb, KERN_ERR,
"ext4_remount: Checksum for group %u failed (%u!=%u)",
- g, le16_to_cpu(ext4_group_desc_csum(sbi, g, gdp)),
+ g, le16_to_cpu(ext4_group_desc_csum(sb, g, gdp)),
le16_to_cpu(gdp->bg_checksum));
- err = -EINVAL;
+ err = -EFSBADCRC;
goto restore_opts;
}
}
sbi->s_mount_state = le16_to_cpu(es->s_state);
if (!ext4_setup_super(sb, es, 0))
sb->s_flags &= ~MS_RDONLY;
- if (EXT4_HAS_INCOMPAT_FEATURE(sb,
- EXT4_FEATURE_INCOMPAT_MMP))
+ if (ext4_has_feature_mmp(sb))
if (ext4_multi_mount_protect(sb,
le64_to_cpu(es->s_mmp_block))) {
err = -EROFS;
if (enable_quota) {
if (sb_any_quota_suspended(sb))
dquot_resume(sb, -1);
- else if (EXT4_HAS_RO_COMPAT_FEATURE(sb,
- EXT4_FEATURE_RO_COMPAT_QUOTA)) {
+ else if (ext4_has_feature_quota(sb)) {
err = ext4_enable_quotas(sb);
if (err)
goto restore_opts;
struct ext4_sb_info *sbi = EXT4_SB(sb);
/* Are we journaling quotas? */
- if (EXT4_HAS_RO_COMPAT_FEATURE(sb, EXT4_FEATURE_RO_COMPAT_QUOTA) ||
+ if (ext4_has_feature_quota(sb) ||
sbi->s_qf_names[USRQUOTA] || sbi->s_qf_names[GRPQUOTA]) {
dquot_mark_dquot_dirty(dquot);
return ext4_write_dquot(dquot);
le32_to_cpu(EXT4_SB(sb)->s_es->s_grp_quota_inum)
};
- BUG_ON(!EXT4_HAS_RO_COMPAT_FEATURE(sb, EXT4_FEATURE_RO_COMPAT_QUOTA));
+ BUG_ON(!ext4_has_feature_quota(sb));
if (!qf_inums[type])
return -EPERM;
static inline int ext2_feature_set_ok(struct super_block *sb)
{
- if (EXT4_HAS_INCOMPAT_FEATURE(sb, ~EXT2_FEATURE_INCOMPAT_SUPP))
+ if (ext4_has_unknown_ext2_incompat_features(sb))
return 0;
if (sb->s_flags & MS_RDONLY)
return 1;
- if (EXT4_HAS_RO_COMPAT_FEATURE(sb, ~EXT2_FEATURE_RO_COMPAT_SUPP))
+ if (ext4_has_unknown_ext2_ro_compat_features(sb))
return 0;
return 1;
}
static inline int ext3_feature_set_ok(struct super_block *sb)
{
- if (EXT4_HAS_INCOMPAT_FEATURE(sb, ~EXT3_FEATURE_INCOMPAT_SUPP))
+ if (ext4_has_unknown_ext3_incompat_features(sb))
return 0;
- if (!EXT4_HAS_COMPAT_FEATURE(sb, EXT4_FEATURE_COMPAT_HAS_JOURNAL))
+ if (!ext4_has_feature_journal(sb))
return 0;
if (sb->s_flags & MS_RDONLY)
return 1;
- if (EXT4_HAS_RO_COMPAT_FEATURE(sb, ~EXT3_FEATURE_RO_COMPAT_SUPP))
+ if (ext4_has_unknown_ext3_ro_compat_features(sb))
return 0;
return 1;
}
projects / karo-tx-linux.git / blobdiff