On 1/26/15 10:24 AM, Jan Mrazek wrote:
> - multiline strings changed to singleline (so it can be greped)
Thereby blowing past 80 columns in many cases, something we generally
don't like to do, per Documentation/CodingStyle:
> The limit on the length of lines is 80 columns and this is a strongly
> preferred limit.
I'm not so sure about the grep-ability value, because nobody's going to
grep for "...%s): %s:%d: inode #%lu: ..." anyway...
but if it's really deemed desirable to keep these strings on one line,
we could do i.e.:
> + printk(KERN_CRIT
> +"EXT4-fs error (device %s): %s:%d: inode #%lu: block %llu: comm %s: %pV\n",
> inode->i_sb->s_id, function, line, inode->i_ino,
> block, current->comm, &vaf)
which is a trick the xfs code uses in some places.
-Eric
> Signed-off-by: Jan Mrazek <email@xxxxxxxxxxxxxx>
> ---
> fs/ext4/super.c | 378 ++++++++++++++++++++++++++------------------------------
> 1 file changed, 172 insertions(+), 206 deletions(-)
>
> diff --git a/fs/ext4/super.c b/fs/ext4/super.c
> index 496214d..a58ff53 100644
> --- a/fs/ext4/super.c
> +++ b/fs/ext4/super.c
> @@ -438,13 +438,11 @@ void __ext4_error_inode(struct inode *inode, const char *function,
> vaf.fmt = fmt;
> vaf.va = &args;
> if (block)
> - printk(KERN_CRIT "EXT4-fs error (device %s): %s:%d: "
> - "inode #%lu: block %llu: comm %s: %pV\n",
> + printk(KERN_CRIT "EXT4-fs error (device %s): %s:%d: inode #%lu: block %llu: comm %s: %pV\n",
> inode->i_sb->s_id, function, line, inode->i_ino,
> block, current->comm, &vaf);
> else
> - printk(KERN_CRIT "EXT4-fs error (device %s): %s:%d: "
> - "inode #%lu: comm %s: %pV\n",
> + printk(KERN_CRIT "EXT4-fs error (device %s): %s:%d: inode #%lu: comm %s: %pV\n",
> inode->i_sb->s_id, function, line, inode->i_ino,
> current->comm, &vaf);
> va_end(args);
> @@ -474,14 +472,12 @@ void __ext4_error_file(struct file *file, const char *function,
> vaf.va = &args;
> if (block)
> printk(KERN_CRIT
> - "EXT4-fs error (device %s): %s:%d: inode #%lu: "
> - "block %llu: comm %s: path %s: %pV\n",
> + "EXT4-fs error (device %s): %s:%d: inode #%lu: block %llu: comm %s: path %s: %pV\n",
> inode->i_sb->s_id, function, line, inode->i_ino,
> block, current->comm, path, &vaf);
> else
> printk(KERN_CRIT
> - "EXT4-fs error (device %s): %s:%d: inode #%lu: "
> - "comm %s: path %s: %pV\n",
> + "EXT4-fs error (device %s): %s:%d: inode #%lu: comm %s: path %s: %pV\n",
> inode->i_sb->s_id, function, line, inode->i_ino,
> current->comm, path, &vaf);
> va_end(args);
> @@ -673,7 +669,6 @@ __acquires(bitlock)
> * more appropriate error code.
> */
> ext4_lock_group(sb, grp);
> - return;
> }
>
> void ext4_update_dynamic_rev(struct super_block *sb)
> @@ -684,8 +679,7 @@ void ext4_update_dynamic_rev(struct super_block *sb)
> return;
>
> ext4_warning(sb,
> - "updating to rev %d because of new feature flag, "
> - "running e2fsck is recommended",
> + "updating to rev %d because of new feature flag, running e2fsck is recommended",
> EXT4_DYNAMIC_REV);
>
> es->s_first_ino = cpu_to_le32(EXT4_GOOD_OLD_FIRST_INO);
> @@ -731,6 +725,7 @@ static void ext4_blkdev_put(struct block_device *bdev)
> static void ext4_blkdev_remove(struct ext4_sb_info *sbi)
> {
> struct block_device *bdev;
> +
> bdev = sbi->journal_bdev;
> if (bdev) {
> ext4_blkdev_put(bdev);
> @@ -753,8 +748,8 @@ static void dump_orphan_list(struct super_block *sb, struct ext4_sb_info *sbi)
> printk(KERN_ERR "sb_info orphan list:\n");
> list_for_each(l, &sbi->s_orphan) {
> struct inode *inode = orphan_list_entry(l);
> - printk(KERN_ERR " "
> - "inode %s:%lu at %p: mode %o, nlink %d, next %d\n",
> +
> + printk(KERN_ERR " inode %s:%lu at %p: mode %o, nlink %d, next %d\n",
> inode->i_sb->s_id, inode->i_ino, inode,
> inode->i_mode, inode->i_nlink,
> NEXT_ORPHAN(inode));
> @@ -908,6 +903,7 @@ static int ext4_drop_inode(struct inode *inode)
> static void ext4_i_callback(struct rcu_head *head)
> {
> struct inode *inode = container_of(head, struct inode, i_rcu);
> +
> kmem_cache_free(ext4_inode_cachep, EXT4_I(inode));
> }
>
> @@ -1269,13 +1265,12 @@ static int set_qf_name(struct super_block *sb, int qtype, substring_t *args)
> if (sb_any_quota_loaded(sb) &&
> !sbi->s_qf_names[qtype]) {
> ext4_msg(sb, KERN_ERR,
> - "Cannot change journaled "
> - "quota options when quota turned on");
> + "Cannot change journaled quota options when quota turned on");
> return -1;
> }
> if (EXT4_HAS_RO_COMPAT_FEATURE(sb, EXT4_FEATURE_RO_COMPAT_QUOTA)) {
> - ext4_msg(sb, KERN_ERR, "Cannot set journaled quota options "
> - "when QUOTA feature is enabled");
> + ext4_msg(sb, KERN_ERR,
> + "Cannot set journaled quota options when QUOTA feature is enabled");
> return -1;
> }
> qname = match_strdup(args);
> @@ -1313,8 +1308,8 @@ static int clear_qf_name(struct super_block *sb, int qtype)
>
> if (sb_any_quota_loaded(sb) &&
> sbi->s_qf_names[qtype]) {
> - ext4_msg(sb, KERN_ERR, "Cannot change journaled quota options"
> - " when quota turned on");
> + ext4_msg(sb, KERN_ERR,
> + "Cannot change journaled quota options when quota turned on");
> return -1;
> }
> kfree(sbi->s_qf_names[qtype]);
> @@ -1477,8 +1472,9 @@ static int handle_mount_opt(struct super_block *sb, char *opt, int token,
> break;
>
> if (m->token == Opt_err) {
> - ext4_msg(sb, KERN_ERR, "Unrecognized mount option \"%s\" "
> - "or missing value", opt);
> + ext4_msg(sb, KERN_ERR,
> + "Unrecognized mount option \"%s\" or missing value",
> + opt);
> return -1;
> }
>
> @@ -1502,8 +1498,7 @@ static int handle_mount_opt(struct super_block *sb, char *opt, int token,
> if (m->flags & MOPT_CLEAR_ERR)
> clear_opt(sb, ERRORS_MASK);
> if (token == Opt_noquota && sb_any_quota_loaded(sb)) {
> - ext4_msg(sb, KERN_ERR, "Cannot change quota "
> - "options when quota turned on");
> + ext4_msg(sb, KERN_ERR, "Cannot change quota options when quota turned on");
> return -1;
> }
>
> @@ -1520,8 +1515,7 @@ static int handle_mount_opt(struct super_block *sb, char *opt, int token,
> } else if (token == Opt_inode_readahead_blks) {
> if (arg && (arg > (1 << 30) || !is_power_of_2(arg))) {
> ext4_msg(sb, KERN_ERR,
> - "EXT4-fs: inode_readahead_blks must be "
> - "0 or a power of 2 smaller than 2^31");
> + "EXT4-fs: inode_readahead_blks must be 0 or a power of 2 smaller than 2^31");
> return -1;
> }
> sbi->s_inode_readahead_blks = arg;
> @@ -1568,23 +1562,23 @@ static int handle_mount_opt(struct super_block *sb, char *opt, int token,
> }
> journal_path = match_strdup(&args[0]);
> if (!journal_path) {
> - ext4_msg(sb, KERN_ERR, "error: could not dup "
> - "journal device string");
> + ext4_msg(sb, KERN_ERR,
> + "error: could not dup journal device string");
> return -1;
> }
>
> error = kern_path(journal_path, LOOKUP_FOLLOW, &path);
> if (error) {
> - ext4_msg(sb, KERN_ERR, "error: could not find "
> - "journal device path: error %d", error);
> + ext4_msg(sb, KERN_ERR,
> + "error: could not find journal device path: error %d", error);
> kfree(journal_path);
> return -1;
> }
>
> journal_inode = path.dentry->d_inode;
> if (!S_ISBLK(journal_inode->i_mode)) {
> - ext4_msg(sb, KERN_ERR, "error: journal path %s "
> - "is not a block device", journal_path);
> + ext4_msg(sb, KERN_ERR,
> + "error: journal path %s is not a block device", journal_path);
> path_put(&path);
> kfree(journal_path);
> return -1;
> @@ -1595,8 +1589,8 @@ static int handle_mount_opt(struct super_block *sb, char *opt, int token,
> kfree(journal_path);
> } else if (token == Opt_journal_ioprio) {
> if (arg > 7) {
> - ext4_msg(sb, KERN_ERR, "Invalid journal IO priority"
> - " (must be 0-7)");
> + ext4_msg(sb, KERN_ERR,
> + "Invalid journal IO priority (must be 0-7)");
> return -1;
> }
> *journal_ioprio =
> @@ -1604,7 +1598,8 @@ static int handle_mount_opt(struct super_block *sb, char *opt, int token,
> } else if (m->flags & MOPT_DATAJ) {
> if (is_remount) {
> if (!sbi->s_journal)
> - ext4_msg(sb, KERN_WARNING, "Remounting file system with no journal so ignoring journalled data option");
> + ext4_msg(sb, KERN_WARNING,
> + "Remounting file system with no journal so ignoring journalled data option");
> else if (test_opt(sb, DATA_FLAGS) != m->mount_opt) {
> ext4_msg(sb, KERN_ERR,
> "Cannot change data mode on remount");
> @@ -1618,15 +1613,14 @@ static int handle_mount_opt(struct super_block *sb, char *opt, int token,
> } else if (m->flags & MOPT_QFMT) {
> if (sb_any_quota_loaded(sb) &&
> sbi->s_jquota_fmt != m->mount_opt) {
> - ext4_msg(sb, KERN_ERR, "Cannot change journaled "
> - "quota options when quota turned on");
> + ext4_msg(sb, KERN_ERR,
> + "Cannot change journaled quota options when quota turned on");
> return -1;
> }
> if (EXT4_HAS_RO_COMPAT_FEATURE(sb,
> EXT4_FEATURE_RO_COMPAT_QUOTA)) {
> ext4_msg(sb, KERN_ERR,
> - "Cannot set journaled quota options "
> - "when QUOTA feature is enabled");
> + "Cannot set journaled quota options when QUOTA feature is enabled");
> return -1;
> }
> sbi->s_jquota_fmt = m->mount_opt;
> @@ -1684,8 +1678,8 @@ static int parse_options(char *options, struct super_block *sb,
> #ifdef CONFIG_QUOTA
> if (EXT4_HAS_RO_COMPAT_FEATURE(sb, EXT4_FEATURE_RO_COMPAT_QUOTA) &&
> (test_opt(sb, USRQUOTA) || test_opt(sb, GRPQUOTA))) {
> - ext4_msg(sb, KERN_ERR, "Cannot set quota options when QUOTA "
> - "feature is enabled");
> + ext4_msg(sb, KERN_ERR,
> + "Cannot set quota options when QUOTA feature is enabled");
> return 0;
> }
> if (sbi->s_qf_names[USRQUOTA] || sbi->s_qf_names[GRPQUOTA]) {
> @@ -1696,14 +1690,14 @@ static int parse_options(char *options, struct super_block *sb,
> clear_opt(sb, GRPQUOTA);
>
> if (test_opt(sb, GRPQUOTA) || test_opt(sb, USRQUOTA)) {
> - ext4_msg(sb, KERN_ERR, "old and new quota "
> - "format mixing");
> + ext4_msg(sb, KERN_ERR,
> + "old and new quota format mixing");
> return 0;
> }
>
> if (!sbi->s_jquota_fmt) {
> - ext4_msg(sb, KERN_ERR, "journaled quota format "
> - "not specified");
> + ext4_msg(sb, KERN_ERR,
> + "journaled quota format not specified");
> return 0;
> }
> }
> @@ -1713,15 +1707,15 @@ static int parse_options(char *options, struct super_block *sb,
> BLOCK_SIZE << le32_to_cpu(sbi->s_es->s_log_block_size);
>
> if (blocksize < PAGE_CACHE_SIZE) {
> - ext4_msg(sb, KERN_ERR, "can't mount with "
> - "dioread_nolock if block size != PAGE_SIZE");
> + ext4_msg(sb, KERN_ERR,
> + "can't mount with dioread_nolock if block size != PAGE_SIZE");
> return 0;
> }
> }
> if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_ORDERED_DATA &&
> test_opt(sb, JOURNAL_ASYNC_COMMIT)) {
> - ext4_msg(sb, KERN_ERR, "can't mount with journal_async_commit "
> - "in data=ordered mode");
> + ext4_msg(sb, KERN_ERR,
> + "can't mount with journal_async_commit in data=ordered mode");
> return 0;
> }
> return 1;
> @@ -1790,6 +1784,7 @@ static int _ext4_show_options(struct seq_file *seq, struct super_block *sb,
>
> for (m = ext4_mount_opts; m->token != Opt_err; m++) {
> int want_set = m->flags & MOPT_SET;
> +
> if (((m->flags & (MOPT_SET|MOPT_CLEAR)) == 0) ||
> (m->flags & MOPT_CLEAR_ERR))
> continue;
> @@ -1886,31 +1881,26 @@ static int ext4_setup_super(struct super_block *sb, struct ext4_super_block *es,
> int res = 0;
>
> if (le32_to_cpu(es->s_rev_level) > EXT4_MAX_SUPP_REV) {
> - ext4_msg(sb, KERN_ERR, "revision level too high, "
> - "forcing read-only mode");
> + ext4_msg(sb, KERN_ERR, "revision level too high, forcing read-only mode");
> res = MS_RDONLY;
> }
> if (read_only)
> goto done;
> if (!(sbi->s_mount_state & EXT4_VALID_FS))
> - ext4_msg(sb, KERN_WARNING, "warning: mounting unchecked fs, "
> - "running e2fsck is recommended");
> + ext4_msg(sb, KERN_WARNING, "warning: mounting unchecked fs, running e2fsck is recommended");
> else if (sbi->s_mount_state & EXT4_ERROR_FS)
> ext4_msg(sb, KERN_WARNING,
> - "warning: mounting fs with errors, "
> - "running e2fsck is recommended");
> + "warning: mounting fs with errors, running e2fsck is recommended");
> else if ((__s16) le16_to_cpu(es->s_max_mnt_count) > 0 &&
> le16_to_cpu(es->s_mnt_count) >=
> (unsigned short) (__s16) le16_to_cpu(es->s_max_mnt_count))
> ext4_msg(sb, KERN_WARNING,
> - "warning: maximal mount count reached, "
> - "running e2fsck is recommended");
> + "warning: maximal mount count reached, running e2fsck is recommended");
> else if (le32_to_cpu(es->s_checkinterval) &&
> (le32_to_cpu(es->s_lastcheck) +
> le32_to_cpu(es->s_checkinterval) <= get_seconds()))
> ext4_msg(sb, KERN_WARNING,
> - "warning: checktime reached, "
> - "running e2fsck is recommended");
> + "warning: checktime reached, running e2fsck is recommended");
> if (!sbi->s_journal)
> es->s_state &= cpu_to_le16(~EXT4_VALID_FS);
> if (!(__s16) le16_to_cpu(es->s_max_mnt_count))
> @@ -1924,8 +1914,7 @@ static int ext4_setup_super(struct super_block *sb, struct ext4_super_block *es,
> ext4_commit_super(sb, 1);
> done:
> if (test_opt(sb, DEBUG))
> - printk(KERN_INFO "[EXT4 FS bs=%lu, gc=%u, "
> - "bpg=%lu, ipg=%lu, mo=%04x, mo2=%04x]\n",
> + printk(KERN_INFO "[EXT4 FS bs=%lu, gc=%u, bpg=%lu, ipg=%lu, mo=%04x, mo2=%04x]\n",
> sb->s_blocksize,
> sbi->s_groups_count,
> EXT4_BLOCKS_PER_GROUP(sb),
> @@ -2101,30 +2090,26 @@ static int ext4_check_descriptors(struct super_block *sb,
>
> block_bitmap = ext4_block_bitmap(sb, gdp);
> if (block_bitmap < first_block || block_bitmap > last_block) {
> - ext4_msg(sb, KERN_ERR, "ext4_check_descriptors: "
> - "Block bitmap for group %u not in group "
> - "(block %llu)!", i, block_bitmap);
> + ext4_msg(sb, KERN_ERR, "ext4_check_descriptors: Block bitmap for group %u not in group (block %llu)!",
> + i, block_bitmap);
> return 0;
> }
> inode_bitmap = ext4_inode_bitmap(sb, gdp);
> if (inode_bitmap < first_block || inode_bitmap > last_block) {
> - ext4_msg(sb, KERN_ERR, "ext4_check_descriptors: "
> - "Inode bitmap for group %u not in group "
> - "(block %llu)!", i, inode_bitmap);
> + ext4_msg(sb, KERN_ERR, "ext4_check_descriptors: Inode bitmap for group %u not in group (block %llu)!",
> + i, inode_bitmap);
> return 0;
> }
> inode_table = ext4_inode_table(sb, gdp);
> if (inode_table < first_block ||
> inode_table + sbi->s_itb_per_group - 1 > last_block) {
> - ext4_msg(sb, KERN_ERR, "ext4_check_descriptors: "
> - "Inode table for group %u not in group "
> - "(block %llu)!", i, inode_table);
> + ext4_msg(sb, KERN_ERR, "ext4_check_descriptors: Inode table for group %u not in group (block %llu)!",
> + i, inode_table);
> return 0;
> }
> ext4_lock_group(sb, i);
> if (!ext4_group_desc_csum_verify(sb, i, gdp)) {
> - ext4_msg(sb, KERN_ERR, "ext4_check_descriptors: "
> - "Checksum for group %u failed (%u!=%u)",
> + 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,
> gdp)), le16_to_cpu(gdp->bg_checksum));
> if (!(sb->s_flags & MS_RDONLY)) {
> @@ -2172,23 +2157,20 @@ static void ext4_orphan_cleanup(struct super_block *sb,
> }
>
> if (bdev_read_only(sb->s_bdev)) {
> - ext4_msg(sb, KERN_ERR, "write access "
> - "unavailable, skipping orphan cleanup");
> + ext4_msg(sb, KERN_ERR, "write access unavailable, skipping orphan cleanup");
> return;
> }
>
> /* Check if feature set would not allow a r/w mount */
> if (!ext4_feature_set_ok(sb, 0)) {
> - ext4_msg(sb, KERN_INFO, "Skipping orphan cleanup due to "
> - "unknown ROCOMPAT features");
> + ext4_msg(sb, KERN_INFO, "Skipping orphan cleanup due to unknown ROCOMPAT features");
> return;
> }
>
> if (EXT4_SB(sb)->s_mount_state & EXT4_ERROR_FS) {
> /* don't clear list on RO mount w/ errors */
> if (es->s_last_orphan && !(s_flags & MS_RDONLY)) {
> - ext4_msg(sb, KERN_INFO, "Errors on filesystem, "
> - "clearing orphan list.\n");
> + ext4_msg(sb, KERN_INFO, "Errors on filesystem, clearing orphan list.\n");
> es->s_last_orphan = 0;
> }
> jbd_debug(1, "Skipping orphan recovery on fs with errors.\n");
> @@ -2206,10 +2188,11 @@ static void ext4_orphan_cleanup(struct super_block *sb,
> for (i = 0; i < EXT4_MAXQUOTAS; i++) {
> if (EXT4_SB(sb)->s_qf_names[i]) {
> int ret = ext4_quota_on_mount(sb, i);
> +
> if (ret < 0)
> ext4_msg(sb, KERN_ERR,
> - "Cannot turn on journaled "
> - "quota: error %d", ret);
> + "Cannot turn on journaled quota: error %d",
> + ret);
> }
> }
> #endif
> @@ -2598,7 +2581,7 @@ static ssize_t sbi_deprecated_show(struct ext4_attr *a,
> return snprintf(buf, PAGE_SIZE, "%d\n", a->u.deprecated_val);
> }
>
> -#define EXT4_ATTR_OFFSET(_name,_mode,_show,_store,_elname) \
> +#define EXT4_ATTR_OFFSET(_name, _mode, _show, _store, _elname) \
> static struct ext4_attr ext4_attr_##_name = { \
> .attr = {.name = __stringify(_name), .mode = _mode }, \
> .show = _show, \
> @@ -2608,7 +2591,7 @@ static struct ext4_attr ext4_attr_##_name = { \
> }, \
> }
>
> -#define EXT4_ATTR_OFFSET_ES(_name,_mode,_show,_store,_elname) \
> +#define EXT4_ATTR_OFFSET_ES(_name, _mode, _show, _store, _elname) \
> static struct ext4_attr ext4_attr_##_name = { \
> .attr = {.name = __stringify(_name), .mode = _mode }, \
> .show = _show, \
> @@ -2782,8 +2765,7 @@ static int ext4_feature_set_ok(struct super_block *sb, int readonly)
> {
> if (EXT4_HAS_INCOMPAT_FEATURE(sb, ~EXT4_FEATURE_INCOMPAT_SUPP)) {
> ext4_msg(sb, KERN_ERR,
> - "Couldn't mount because of "
> - "unsupported optional features (%x)",
> + "Couldn't mount because of unsupported optional features (%x)",
> (le32_to_cpu(EXT4_SB(sb)->s_es->s_feature_incompat) &
> ~EXT4_FEATURE_INCOMPAT_SUPP));
> return 0;
> @@ -2794,8 +2776,7 @@ static int ext4_feature_set_ok(struct super_block *sb, int readonly)
>
> /* Check that feature set is OK for a read-write mount */
> if (EXT4_HAS_RO_COMPAT_FEATURE(sb, ~EXT4_FEATURE_RO_COMPAT_SUPP)) {
> - ext4_msg(sb, KERN_ERR, "couldn't mount RDWR because of "
> - "unsupported optional features (%x)",
> + 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) &
> ~EXT4_FEATURE_RO_COMPAT_SUPP));
> return 0;
> @@ -2806,17 +2787,14 @@ static int ext4_feature_set_ok(struct super_block *sb, int readonly)
> */
> if (EXT4_HAS_RO_COMPAT_FEATURE(sb, EXT4_FEATURE_RO_COMPAT_HUGE_FILE)) {
> if (sizeof(blkcnt_t) < sizeof(u64)) {
> - ext4_msg(sb, KERN_ERR, "Filesystem with huge files "
> - "cannot be mounted RDWR without "
> - "CONFIG_LBDAF");
> + ext4_msg(sb, KERN_ERR, "Filesystem with huge files cannot be mounted RDWR without CONFIG_LBDAF");
> return 0;
> }
> }
> if (EXT4_HAS_RO_COMPAT_FEATURE(sb, EXT4_FEATURE_RO_COMPAT_BIGALLOC) &&
> !EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_EXTENTS)) {
> ext4_msg(sb, KERN_ERR,
> - "Can't support bigalloc feature without "
> - "extents feature\n");
> + "Can't support bigalloc feature without extents feature\n");
> return 0;
> }
>
> @@ -2824,8 +2802,7 @@ static int ext4_feature_set_ok(struct super_block *sb, int readonly)
> if (EXT4_HAS_RO_COMPAT_FEATURE(sb, EXT4_FEATURE_RO_COMPAT_QUOTA) &&
> !readonly) {
> ext4_msg(sb, KERN_ERR,
> - "Filesystem with quota feature cannot be mounted RDWR "
> - "without CONFIG_QUOTA");
> + "Filesystem with quota feature cannot be mounted RDWR without CONFIG_QUOTA");
> return 0;
> }
> #endif /* CONFIG_QUOTA */
> @@ -3064,12 +3041,12 @@ static int ext4_run_lazyinit_thread(void)
> ext4_li_info, "ext4lazyinit");
> if (IS_ERR(ext4_lazyinit_task)) {
> int err = PTR_ERR(ext4_lazyinit_task);
> +
> ext4_clear_request_list();
> kfree(ext4_li_info);
> ext4_li_info = NULL;
> - printk(KERN_CRIT "EXT4-fs: error %d creating inode table "
> - "initialization thread\n",
> - err);
> + printk(KERN_CRIT "EXT4-fs: error %d creating inode table initialization thread\n",
> + err);
> return err;
> }
> ext4_li_info->li_state |= EXT4_LAZYINIT_RUNNING;
> @@ -3498,13 +3475,12 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
> 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))
> - ext4_warning(sb, "metadata_csum and uninit_bg are "
> - "redundant flags; please run fsck.");
> + ext4_warning(sb, "metadata_csum and uninit_bg are redundant flags; please run fsck.");
>
> /* Check for a known checksum algorithm */
> if (!ext4_verify_csum_type(sb, es)) {
> - ext4_msg(sb, KERN_ERR, "VFS: Found ext4 filesystem with "
> - "unknown checksum algorithm.");
> + ext4_msg(sb, KERN_ERR,
> + "VFS: Found ext4 filesystem with unknown checksum algorithm.");
> silent = 1;
> goto cantfind_ext4;
> }
> @@ -3523,8 +3499,8 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
>
> /* Check superblock checksum */
> if (!ext4_superblock_csum_verify(sb, es)) {
> - ext4_msg(sb, KERN_ERR, "VFS: Found ext4 filesystem with "
> - "invalid superblock checksum. Run e2fsck?");
> + ext4_msg(sb, KERN_ERR,
> + "VFS: Found ext4 filesystem with invalid superblock checksum. Run e2fsck?");
> silent = 1;
> goto cantfind_ext4;
> }
> @@ -3605,22 +3581,17 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
> goto failed_mount;
>
> if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA) {
> - printk_once(KERN_WARNING "EXT4-fs: Warning: mounting "
> - "with data=journal disables delayed "
> - "allocation and O_DIRECT support!\n");
> + printk_once(KERN_WARNING "EXT4-fs: Warning: mounting with data=journal disables delayed allocation and O_DIRECT support!\n");
> if (test_opt2(sb, EXPLICIT_DELALLOC)) {
> - ext4_msg(sb, KERN_ERR, "can't mount with "
> - "both data=journal and delalloc");
> + ext4_msg(sb, KERN_ERR, "can't mount with both data=journal and delalloc");
> goto failed_mount;
> }
> if (test_opt(sb, DIOREAD_NOLOCK)) {
> - ext4_msg(sb, KERN_ERR, "can't mount with "
> - "both data=journal and dioread_nolock");
> + ext4_msg(sb, KERN_ERR, "can't mount with both data=journal and dioread_nolock");
> goto failed_mount;
> }
> if (test_opt(sb, DAX)) {
> - ext4_msg(sb, KERN_ERR, "can't mount with "
> - "both data=journal and dax");
> + ext4_msg(sb, KERN_ERR, "can't mount with both data=journal and dax");
> goto failed_mount;
> }
> if (test_opt(sb, DELALLOC))
> @@ -3635,8 +3606,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
> EXT4_HAS_RO_COMPAT_FEATURE(sb, ~0U) ||
> EXT4_HAS_INCOMPAT_FEATURE(sb, ~0U)))
> ext4_msg(sb, KERN_WARNING,
> - "feature flags set on rev 0 fs, "
> - "running e2fsck is recommended");
> + "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);
> @@ -3650,22 +3620,22 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
>
> if (IS_EXT2_SB(sb)) {
> if (ext2_feature_set_ok(sb))
> - ext4_msg(sb, KERN_INFO, "mounting ext2 file system "
> - "using the ext4 subsystem");
> + ext4_msg(sb, KERN_INFO,
> + "mounting ext2 file system using the ext4 subsystem");
> else {
> - ext4_msg(sb, KERN_ERR, "couldn't mount as ext2 due "
> - "to feature incompatibilities");
> + ext4_msg(sb, KERN_ERR,
> + "couldn't mount as ext2 due to feature incompatibilities");
> goto failed_mount;
> }
> }
>
> if (IS_EXT3_SB(sb)) {
> if (ext3_feature_set_ok(sb))
> - ext4_msg(sb, KERN_INFO, "mounting ext3 file system "
> - "using the ext4 subsystem");
> + ext4_msg(sb, KERN_INFO,
> + "mounting ext3 file system using the ext4 subsystem");
> else {
> - ext4_msg(sb, KERN_ERR, "couldn't mount as ext3 due "
> - "to feature incompatibilities");
> + ext4_msg(sb, KERN_ERR,
> + "couldn't mount as ext3 due to feature incompatibilities");
> goto failed_mount;
> }
> }
> @@ -3806,8 +3776,8 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
> if (has_bigalloc) {
> if (clustersize < blocksize) {
> ext4_msg(sb, KERN_ERR,
> - "cluster size (%d) smaller than "
> - "block size (%d)", clustersize, blocksize);
> + "cluster size (%d) smaller than block size (%d)",
> + clustersize, blocksize);
> goto failed_mount;
> }
> sbi->s_cluster_bits = le32_to_cpu(es->s_log_cluster_size) -
> @@ -3822,17 +3792,18 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
> }
> if (sbi->s_blocks_per_group !=
> (sbi->s_clusters_per_group * (clustersize / blocksize))) {
> - ext4_msg(sb, KERN_ERR, "blocks per group (%lu) and "
> - "clusters per group (%lu) inconsistent",
> - sbi->s_blocks_per_group,
> - sbi->s_clusters_per_group);
> + ext4_msg(sb, KERN_ERR,
> + "blocks per group (%lu) and clusters per group (%lu) inconsistent",
> + sbi->s_blocks_per_group,
> + sbi->s_clusters_per_group);
> goto failed_mount;
> }
> } else {
> if (clustersize != blocksize) {
> - ext4_warning(sb, "fragment/cluster size (%d) != "
> - "block size (%d)", clustersize,
> - blocksize);
> + ext4_warning(sb,
> + "fragment/cluster size (%d) != block size (%d)",
> + clustersize,
> + blocksize);
> clustersize = blocksize;
> }
> if (sbi->s_blocks_per_group > blocksize * 8) {
> @@ -3864,8 +3835,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
> err = generic_check_addressable(sb->s_blocksize_bits,
> ext4_blocks_count(es));
> if (err) {
> - ext4_msg(sb, KERN_ERR, "filesystem"
> - " too large to mount safely on this system");
> + ext4_msg(sb, KERN_ERR, "filesystem too large to mount safely on this system");
> if (sizeof(sector_t) < 8)
> ext4_msg(sb, KERN_WARNING, "CONFIG_LBDAF not enabled");
> goto failed_mount;
> @@ -3877,9 +3847,9 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
> /* check blocks count against device size */
> blocks_count = sb->s_bdev->bd_inode->i_size >> sb->s_blocksize_bits;
> if (blocks_count && ext4_blocks_count(es) > blocks_count) {
> - ext4_msg(sb, KERN_WARNING, "bad geometry: block count %llu "
> - "exceeds size of device (%llu blocks)",
> - ext4_blocks_count(es), blocks_count);
> + ext4_msg(sb, KERN_WARNING,
> + "bad geometry: block count %llu exceeds size of device (%llu blocks)",
> + ext4_blocks_count(es), blocks_count);
> goto failed_mount;
> }
>
> @@ -3888,8 +3858,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
> * of the filesystem.
> */
> if (le32_to_cpu(es->s_first_data_block) >= ext4_blocks_count(es)) {
> - ext4_msg(sb, KERN_WARNING, "bad geometry: first data "
> - "block %u is beyond end of filesystem (%llu)",
> + ext4_msg(sb, KERN_WARNING, "bad geometry: first data block %u is beyond end of filesystem (%llu)",
> le32_to_cpu(es->s_first_data_block),
> ext4_blocks_count(es));
> goto failed_mount;
> @@ -3899,12 +3868,12 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
> EXT4_BLOCKS_PER_GROUP(sb) - 1);
> do_div(blocks_count, EXT4_BLOCKS_PER_GROUP(sb));
> if (blocks_count > ((uint64_t)1<<32) - EXT4_DESC_PER_BLOCK(sb)) {
> - ext4_msg(sb, KERN_WARNING, "groups count too large: %u "
> - "(block count %llu, first data block %u, "
> - "blocks per group %lu)", sbi->s_groups_count,
> - ext4_blocks_count(es),
> - le32_to_cpu(es->s_first_data_block),
> - EXT4_BLOCKS_PER_GROUP(sb));
> + ext4_msg(sb, KERN_WARNING,
> + "groups count too large: %u (block count %llu, first data block %u, blocks per group %lu)",
> + sbi->s_groups_count,
> + ext4_blocks_count(es),
> + le32_to_cpu(es->s_first_data_block),
> + EXT4_BLOCKS_PER_GROUP(sb));
> goto failed_mount;
> }
> sbi->s_groups_count = blocks_count;
> @@ -4000,8 +3969,8 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
> goto failed_mount3a;
> } else if (test_opt(sb, NOLOAD) && !(sb->s_flags & MS_RDONLY) &&
> EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_RECOVER)) {
> - ext4_msg(sb, KERN_ERR, "required journal recovery "
> - "suppressed and not mounted read-only");
> + ext4_msg(sb, KERN_ERR,
> + "required journal recovery suppressed and not mounted read-only");
> goto failed_mount_wq;
> } else {
> clear_opt(sb, DATA_FLAGS);
> @@ -4018,8 +3987,8 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
> }
>
> if (!set_journal_csum_feature_set(sb)) {
> - ext4_msg(sb, KERN_ERR, "Failed to set journal checksum "
> - "feature set");
> + ext4_msg(sb, KERN_ERR,
> + "Failed to set journal checksum feature set");
> goto failed_mount_wq;
> }
>
> @@ -4042,8 +4011,8 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
> case EXT4_MOUNT_WRITEBACK_DATA:
> if (!jbd2_journal_check_available_features
> (sbi->s_journal, 0, 0, JBD2_FEATURE_INCOMPAT_REVOKE)) {
> - ext4_msg(sb, KERN_ERR, "Journal does not support "
> - "requested data journaling mode");
> + ext4_msg(sb, KERN_ERR,
> + "Journal does not support requested data journaling mode");
> goto failed_mount_wq;
> }
> default:
> @@ -4134,21 +4103,21 @@ no_journal:
> sbi->s_inode_size) {
> sbi->s_want_extra_isize = sizeof(struct ext4_inode) -
> EXT4_GOOD_OLD_INODE_SIZE;
> - ext4_msg(sb, KERN_INFO, "required extra inode space not"
> - "available");
> + ext4_msg(sb, KERN_INFO, "required extra inode space not available");
> }
>
> err = ext4_reserve_clusters(sbi, ext4_calculate_resv_clusters(sb));
> if (err) {
> - ext4_msg(sb, KERN_ERR, "failed to reserve %llu clusters for "
> - "reserved pool", ext4_calculate_resv_clusters(sb));
> + ext4_msg(sb, KERN_ERR,
> + "failed to reserve %llu clusters for reserved pool",
> + ext4_calculate_resv_clusters(sb));
> goto failed_mount4a;
> }
>
> err = ext4_setup_system_zone(sb);
> if (err) {
> - ext4_msg(sb, KERN_ERR, "failed to initialize system "
> - "zone (%d)", err);
> + ext4_msg(sb, KERN_ERR,
> + "failed to initialize system zone (%d)", err);
> goto failed_mount4a;
> }
>
> @@ -4161,7 +4130,7 @@ no_journal:
> }
>
> block = ext4_count_free_clusters(sb);
> - ext4_free_blocks_count_set(sbi->s_es,
> + ext4_free_blocks_count_set(sbi->s_es,
> EXT4_C2B(sbi, block));
> err = percpu_counter_init(&sbi->s_freeclusters_counter, block,
> GFP_KERNEL);
> @@ -4185,8 +4154,7 @@ no_journal:
> if (EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_FLEX_BG))
> if (!ext4_fill_flex_info(sb)) {
> ext4_msg(sb, KERN_ERR,
> - "unable to initialize "
> - "flex_bg meta info!");
> + "unable to initialize flex_bg meta info!");
> goto failed_mount6;
> }
>
> @@ -4232,12 +4200,11 @@ no_journal:
> struct request_queue *q = bdev_get_queue(sb->s_bdev);
> if (!blk_queue_discard(q))
> ext4_msg(sb, KERN_WARNING,
> - "mounting with \"discard\" option, but "
> - "the device does not support discard");
> + "mounting with \"discard\" option, but the device does not support discard");
> }
>
> - ext4_msg(sb, KERN_INFO, "mounted filesystem with%s. "
> - "Opts: %s%s%s", descr, sbi->s_es->s_mount_opts,
> + ext4_msg(sb, KERN_INFO,
> + "mounted filesystem with%s. Opts: %s%s%s", descr, sbi->s_es->s_mount_opts,
> *sbi->s_es->s_mount_opts ? "; " : "", orig_data);
>
> if (es->s_error_count)
> @@ -4416,8 +4383,8 @@ static journal_t *ext4_get_dev_journal(struct super_block *sb,
> offset = EXT4_MIN_BLOCK_SIZE % blocksize;
> set_blocksize(bdev, blocksize);
> if (!(bh = __bread(bdev, sb_block, blocksize))) {
> - ext4_msg(sb, KERN_ERR, "couldn't read superblock of "
> - "external journal");
> + ext4_msg(sb, KERN_ERR,
> + "couldn't read superblock of external journal");
> goto out_bdev;
> }
>
> @@ -4425,8 +4392,8 @@ static journal_t *ext4_get_dev_journal(struct super_block *sb,
> if ((le16_to_cpu(es->s_magic) != EXT4_SUPER_MAGIC) ||
> !(le32_to_cpu(es->s_feature_incompat) &
> EXT4_FEATURE_INCOMPAT_JOURNAL_DEV)) {
> - ext4_msg(sb, KERN_ERR, "external journal has "
> - "bad superblock");
> + ext4_msg(sb, KERN_ERR,
> + "external journal has bad superblock");
> brelse(bh);
> goto out_bdev;
> }
> @@ -4434,8 +4401,8 @@ static journal_t *ext4_get_dev_journal(struct super_block *sb,
> if ((le32_to_cpu(es->s_feature_ro_compat) &
> EXT4_FEATURE_RO_COMPAT_METADATA_CSUM) &&
> es->s_checksum != ext4_superblock_csum(sb, es)) {
> - ext4_msg(sb, KERN_ERR, "external journal has "
> - "corrupt superblock");
> + ext4_msg(sb, KERN_ERR,
> + "external journal has corrupt superblock");
> brelse(bh);
> goto out_bdev;
> }
> @@ -4464,8 +4431,8 @@ static journal_t *ext4_get_dev_journal(struct super_block *sb,
> goto out_journal;
> }
> if (be32_to_cpu(journal->j_superblock->s_nr_users) != 1) {
> - ext4_msg(sb, KERN_ERR, "External journal has more than one "
> - "user (unsupported) - %d",
> + ext4_msg(sb, KERN_ERR,
> + "External journal has more than one user (unsupported) - %d",
> be32_to_cpu(journal->j_superblock->s_nr_users));
> goto out_journal;
> }
> @@ -4494,8 +4461,8 @@ static int ext4_load_journal(struct super_block *sb,
>
> if (journal_devnum &&
> journal_devnum != le32_to_cpu(es->s_journal_dev)) {
> - ext4_msg(sb, KERN_INFO, "external journal device major/minor "
> - "numbers have changed");
> + ext4_msg(sb, KERN_INFO,
> + "external journal device major/minor numbers have changed");
> journal_dev = new_decode_dev(journal_devnum);
> } else
> journal_dev = new_decode_dev(le32_to_cpu(es->s_journal_dev));
> @@ -4509,21 +4476,21 @@ static int ext4_load_journal(struct super_block *sb,
> */
> if (EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_RECOVER)) {
> if (sb->s_flags & MS_RDONLY) {
> - ext4_msg(sb, KERN_INFO, "INFO: recovery "
> - "required on readonly filesystem");
> + ext4_msg(sb, KERN_INFO,
> + "INFO: recovery required on readonly filesystem");
> if (really_read_only) {
> - ext4_msg(sb, KERN_ERR, "write access "
> - "unavailable, cannot proceed");
> + ext4_msg(sb, KERN_ERR,
> + "write access unavailable, cannot proceed");
> return -EROFS;
> }
> - ext4_msg(sb, KERN_INFO, "write access will "
> - "be enabled during recovery");
> + ext4_msg(sb, KERN_INFO,
> + "write access will be enabled during recovery");
> }
> }
>
> if (journal_inum && journal_dev) {
> - ext4_msg(sb, KERN_ERR, "filesystem has both journal "
> - "and inode journals!");
> + ext4_msg(sb, KERN_ERR,
> + "filesystem has both journal and inode journals!");
> return -EINVAL;
> }
>
> @@ -4589,8 +4556,8 @@ static int ext4_commit_super(struct super_block *sb, int sync)
> * be remapped. Nothing we can do but to retry the
> * write and hope for the best.
> */
> - ext4_msg(sb, KERN_ERR, "previous I/O error to "
> - "superblock detected");
> + ext4_msg(sb, KERN_ERR,
> + "previous I/O error to superblock detected");
> clear_buffer_write_io_error(sbh);
> set_buffer_uptodate(sbh);
> }
> @@ -4632,8 +4599,8 @@ static int ext4_commit_super(struct super_block *sb, int sync)
>
> error = buffer_write_io_error(sbh);
> if (error) {
> - ext4_msg(sb, KERN_ERR, "I/O error while writing "
> - "superblock");
> + ext4_msg(sb, KERN_ERR,
> + "I/O error while writing superblock");
> clear_buffer_write_io_error(sbh);
> set_buffer_uptodate(sbh);
> }
> @@ -4695,8 +4662,9 @@ static void ext4_clear_journal_err(struct super_block *sb,
> char nbuf[16];
>
> errstr = ext4_decode_error(sb, j_errno, nbuf);
> - ext4_warning(sb, "Filesystem error recorded "
> - "from previous mount: %s", errstr);
> + ext4_warning(sb,
> + "Filesystem error recorded from previous mount: %s",
> + errstr);
> ext4_warning(sb, "Marking fs in need of filesystem check.");
>
> EXT4_SB(sb)->s_mount_state |= EXT4_ERROR_FS;
> @@ -4889,30 +4857,30 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
>
> if ((old_opts.s_mount_opt & EXT4_MOUNT_JOURNAL_CHECKSUM) ^
> test_opt(sb, JOURNAL_CHECKSUM)) {
> - ext4_msg(sb, KERN_ERR, "changing journal_checksum "
> - "during remount not supported");
> + ext4_msg(sb, KERN_ERR,
> + "changing journal_checksum during remount not supported");
> err = -EINVAL;
> goto restore_opts;
> }
>
> if ((old_opts.s_mount_opt & EXT4_MOUNT_JOURNAL_CHECKSUM) ^
> test_opt(sb, JOURNAL_CHECKSUM)) {
> - ext4_msg(sb, KERN_ERR, "changing journal_checksum "
> - "during remount not supported");
> + ext4_msg(sb, KERN_ERR,
> + "changing journal_checksum during remount not supported");
> err = -EINVAL;
> goto restore_opts;
> }
>
> if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA) {
> if (test_opt2(sb, EXPLICIT_DELALLOC)) {
> - ext4_msg(sb, KERN_ERR, "can't mount with "
> - "both data=journal and delalloc");
> + ext4_msg(sb, KERN_ERR,
> + "can't mount with both data=journal and delalloc");
> err = -EINVAL;
> goto restore_opts;
> }
> if (test_opt(sb, DIOREAD_NOLOCK)) {
> - ext4_msg(sb, KERN_ERR, "can't mount with "
> - "both data=journal and dioread_nolock");
> + ext4_msg(sb, KERN_ERR,
> + "can't mount with both data=journal and dioread_nolock");
> err = -EINVAL;
> goto restore_opts;
> }
> @@ -5004,10 +4972,8 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
> * require a full umount/remount for now.
> */
> if (es->s_last_orphan) {
> - ext4_msg(sb, KERN_WARNING, "Couldn't "
> - "remount RDWR because of unprocessed "
> - "orphan inode list. Please "
> - "umount/remount instead");
> + ext4_msg(sb, KERN_WARNING,
> + "Couldn't remount RDWR because of unprocessed orphan inode list. Please umount/remount instead");
> err = -EINVAL;
> goto restore_opts;
> }
> @@ -5256,8 +5222,7 @@ static int ext4_quota_on(struct super_block *sb, int type, int format_id,
> /* Quotafile not in fs root? */
> if (path->dentry->d_parent != sb->s_root)
> ext4_msg(sb, KERN_WARNING,
> - "Quota file not on filesystem root. "
> - "Journaled quota will not work");
> + "Quota file not on filesystem root. Journaled quota will not work");
> }
>
> /*
> @@ -5325,9 +5290,8 @@ static int ext4_enable_quotas(struct super_block *sb)
> DQUOT_USAGE_ENABLED);
> if (err) {
> ext4_warning(sb,
> - "Failed to enable quota tracking "
> - "(type=%d, err=%d). Please run "
> - "e2fsck to fix.", type, err);
> + "Failed to enable quota tracking (type=%d, err=%d). Please run e2fsck to fix.",
> + type, err);
> return err;
> }
> }
> @@ -5439,8 +5403,8 @@ static ssize_t ext4_quota_write(struct super_block *sb, int type,
> handle_t *handle = journal_current_handle();
>
> if (EXT4_SB(sb)->s_journal && !handle) {
> - ext4_msg(sb, KERN_WARNING, "Quota write (off=%llu, len=%llu)"
> - " cancelled because transaction is not started",
> + ext4_msg(sb, KERN_WARNING,
> + "Quota write (off=%llu, len=%llu) cancelled because transaction is not started",
> (unsigned long long)off, (unsigned long long)len);
> return -EIO;
> }
> @@ -5449,8 +5413,8 @@ static ssize_t ext4_quota_write(struct super_block *sb, int type,
> * then it is impossible to cross a block boundary.
> */
> if (sb->s_blocksize - offset < len) {
> - ext4_msg(sb, KERN_WARNING, "Quota write (off=%llu, len=%llu)"
> - " cancelled because not block aligned",
> + ext4_msg(sb, KERN_WARNING,
> + "Quota write (off=%llu, len=%llu) cancelled because not block aligned",
> (unsigned long long)off, (unsigned long long)len);
> return -EIO;
> }
> @@ -5493,6 +5457,7 @@ static struct dentry *ext4_mount(struct file_system_type *fs_type, int flags,
> static inline void register_as_ext2(void)
> {
> int err = register_filesystem(&ext2_fs_type);
> +
> if (err)
> printk(KERN_WARNING
> "EXT4-fs: Unable to register as ext2 (%d)\n", err);
> @@ -5523,6 +5488,7 @@ static inline int ext2_feature_set_ok(struct super_block *sb) { return 0; }
> static inline void register_as_ext3(void)
> {
> int err = register_filesystem(&ext3_fs_type);
> +
> if (err)
> printk(KERN_WARNING
> "EXT4-fs: Unable to register as ext3 (%d)\n", err);
>
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