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Diffstat (limited to 'fs/ext4/super.c')
-rw-r--r--fs/ext4/super.c80
1 files changed, 38 insertions, 42 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 260c1b3e3ef2..88f7b8a88c76 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -482,7 +482,7 @@ static void ext4_journal_commit_callback(journal_t *journal, transaction_t *txn)
*
* However, we may have to redirty a page (see below.)
*/
-static int ext4_journalled_writepage_callback(struct page *page,
+static int ext4_journalled_writepage_callback(struct folio *folio,
struct writeback_control *wbc,
void *data)
{
@@ -490,7 +490,7 @@ static int ext4_journalled_writepage_callback(struct page *page,
struct buffer_head *bh, *head;
struct journal_head *jh;
- bh = head = page_buffers(page);
+ bh = head = folio_buffers(folio);
do {
/*
* We have to redirty a page in these cases:
@@ -509,7 +509,7 @@ static int ext4_journalled_writepage_callback(struct page *page,
if (buffer_dirty(bh) ||
(jh && (jh->b_transaction != transaction ||
jh->b_next_transaction))) {
- redirty_page_for_writepage(wbc, page);
+ folio_redirty_for_writepage(wbc, folio);
goto out;
}
} while ((bh = bh->b_this_page) != head);
@@ -2146,7 +2146,7 @@ static int ext4_parse_param(struct fs_context *fc, struct fs_parameter *param)
return 0;
case Opt_commit:
if (result.uint_32 == 0)
- ctx->s_commit_interval = JBD2_DEFAULT_MAX_COMMIT_AGE;
+ result.uint_32 = JBD2_DEFAULT_MAX_COMMIT_AGE;
else if (result.uint_32 > INT_MAX / HZ) {
ext4_msg(NULL, KERN_ERR,
"Invalid commit interval %d, "
@@ -2635,7 +2635,6 @@ static int ext4_check_test_dummy_encryption(const struct fs_context *fc,
{
const struct ext4_fs_context *ctx = fc->fs_private;
const struct ext4_sb_info *sbi = EXT4_SB(sb);
- int err;
if (!fscrypt_is_dummy_policy_set(&ctx->dummy_enc_policy))
return 0;
@@ -2668,17 +2667,7 @@ static int ext4_check_test_dummy_encryption(const struct fs_context *fc,
"Conflicting test_dummy_encryption options");
return -EINVAL;
}
- /*
- * fscrypt_add_test_dummy_key() technically changes the super_block, so
- * technically it should be delayed until ext4_apply_options() like the
- * other changes. But since we never get here for remounts (see above),
- * and this is the last chance to report errors, we do it here.
- */
- err = fscrypt_add_test_dummy_key(sb, &ctx->dummy_enc_policy);
- if (err)
- ext4_msg(NULL, KERN_WARNING,
- "Error adding test dummy encryption key [%d]", err);
- return err;
+ return 0;
}
static void ext4_apply_test_dummy_encryption(struct ext4_fs_context *ctx,
@@ -2894,7 +2883,7 @@ static int _ext4_show_options(struct seq_file *seq, struct super_block *sb,
{
struct ext4_sb_info *sbi = EXT4_SB(sb);
struct ext4_super_block *es = sbi->s_es;
- int def_errors, def_mount_opt = sbi->s_def_mount_opt;
+ int def_errors;
const struct mount_opts *m;
char sep = nodefs ? '\n' : ',';
@@ -2906,15 +2895,28 @@ 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;
+ int opt_2 = m->flags & MOPT_2;
+ unsigned int mount_opt, def_mount_opt;
+
if (((m->flags & (MOPT_SET|MOPT_CLEAR)) == 0) ||
m->flags & MOPT_SKIP)
continue;
- if (!nodefs && !(m->mount_opt & (sbi->s_mount_opt ^ def_mount_opt)))
- continue; /* skip if same as the default */
+
+ if (opt_2) {
+ mount_opt = sbi->s_mount_opt2;
+ def_mount_opt = sbi->s_def_mount_opt2;
+ } else {
+ mount_opt = sbi->s_mount_opt;
+ def_mount_opt = sbi->s_def_mount_opt;
+ }
+ /* skip if same as the default */
+ if (!nodefs && !(m->mount_opt & (mount_opt ^ def_mount_opt)))
+ continue;
+ /* select Opt_noFoo vs Opt_Foo */
if ((want_set &&
- (sbi->s_mount_opt & m->mount_opt) != m->mount_opt) ||
- (!want_set && (sbi->s_mount_opt & m->mount_opt)))
- continue; /* select Opt_noFoo vs Opt_Foo */
+ (mount_opt & m->mount_opt) != m->mount_opt) ||
+ (!want_set && (mount_opt & m->mount_opt)))
+ continue;
SEQ_OPTS_PRINT("%s", token2str(m->token));
}
@@ -2942,7 +2944,7 @@ static int _ext4_show_options(struct seq_file *seq, struct super_block *sb,
if (nodefs || sbi->s_stripe)
SEQ_OPTS_PRINT("stripe=%lu", sbi->s_stripe);
if (nodefs || EXT4_MOUNT_DATA_FLAGS &
- (sbi->s_mount_opt ^ def_mount_opt)) {
+ (sbi->s_mount_opt ^ sbi->s_def_mount_opt)) {
if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA)
SEQ_OPTS_PUTS("data=journal");
else if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_ORDERED_DATA)
@@ -4738,7 +4740,6 @@ static int ext4_group_desc_init(struct super_block *sb,
struct ext4_sb_info *sbi = EXT4_SB(sb);
unsigned int db_count;
ext4_fsblk_t block;
- int ret;
int i;
db_count = (sbi->s_groups_count + EXT4_DESC_PER_BLOCK(sb) - 1) /
@@ -4778,8 +4779,7 @@ static int ext4_group_desc_init(struct super_block *sb,
ext4_msg(sb, KERN_ERR,
"can't read group descriptor %d", i);
sbi->s_gdb_count = i;
- ret = PTR_ERR(bh);
- goto out;
+ return PTR_ERR(bh);
}
rcu_read_lock();
rcu_dereference(sbi->s_group_desc)[i] = bh;
@@ -4788,13 +4788,10 @@ static int ext4_group_desc_init(struct super_block *sb,
sbi->s_gdb_count = db_count;
if (!ext4_check_descriptors(sb, logical_sb_block, first_not_zeroed)) {
ext4_msg(sb, KERN_ERR, "group descriptors corrupted!");
- ret = -EFSCORRUPTED;
- goto out;
+ return -EFSCORRUPTED;
}
+
return 0;
-out:
- ext4_group_desc_free(sbi);
- return ret;
}
static int ext4_load_and_init_journal(struct super_block *sb,
@@ -5086,6 +5083,7 @@ static int __ext4_fill_super(struct fs_context *fc, struct super_block *sb)
goto failed_mount;
sbi->s_def_mount_opt = sbi->s_mount_opt;
+ sbi->s_def_mount_opt2 = sbi->s_mount_opt2;
err = ext4_check_opt_consistency(fc, sb);
if (err < 0)
@@ -5220,14 +5218,14 @@ static int __ext4_fill_super(struct fs_context *fc, struct super_block *sb)
if (ext4_geometry_check(sb, es))
goto failed_mount;
- err = ext4_group_desc_init(sb, es, logical_sb_block, &first_not_zeroed);
- if (err)
- goto failed_mount;
-
timer_setup(&sbi->s_err_report, print_daily_error_info, 0);
spin_lock_init(&sbi->s_error_lock);
INIT_WORK(&sbi->s_error_work, flush_stashed_error_work);
+ err = ext4_group_desc_init(sb, es, logical_sb_block, &first_not_zeroed);
+ if (err)
+ goto failed_mount3;
+
/* Register extent status tree shrinker */
if (ext4_es_register_shrinker(sbi))
goto failed_mount3;
@@ -5336,11 +5334,6 @@ static int __ext4_fill_super(struct fs_context *fc, struct super_block *sb)
}
}
- if (ext4_has_feature_verity(sb) && sb->s_blocksize != PAGE_SIZE) {
- ext4_msg(sb, KERN_ERR, "Unsupported blocksize for fs-verity");
- goto failed_mount_wq;
- }
-
/*
* Get the # of file system overhead blocks from the
* superblock if present.
@@ -5953,8 +5946,11 @@ static int ext4_load_journal(struct super_block *sb,
if (!really_read_only && journal_devnum &&
journal_devnum != le32_to_cpu(es->s_journal_dev)) {
es->s_journal_dev = cpu_to_le32(journal_devnum);
-
- /* Make sure we flush the recovery flag to disk. */
+ ext4_commit_super(sb);
+ }
+ if (!really_read_only && journal_inum &&
+ journal_inum != le32_to_cpu(es->s_journal_inum)) {
+ es->s_journal_inum = cpu_to_le32(journal_inum);
ext4_commit_super(sb);
}
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