aboutsummaryrefslogtreecommitdiff
path: root/fs/ext4/super.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/ext4/super.c')
-rw-r--r--fs/ext4/super.c24
1 files changed, 13 insertions, 11 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 64e2529ae9b..502c61fd739 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -1095,7 +1095,7 @@ static int ext4_show_options(struct seq_file *seq, struct dentry *root)
}
if (sbi->s_max_batch_time != EXT4_DEF_MAX_BATCH_TIME) {
seq_printf(seq, ",max_batch_time=%u",
- (unsigned) sbi->s_min_batch_time);
+ (unsigned) sbi->s_max_batch_time);
}
/*
@@ -2005,17 +2005,16 @@ static int ext4_fill_flex_info(struct super_block *sb)
struct ext4_group_desc *gdp = NULL;
ext4_group_t flex_group_count;
ext4_group_t flex_group;
- int groups_per_flex = 0;
+ unsigned int groups_per_flex = 0;
size_t size;
int i;
sbi->s_log_groups_per_flex = sbi->s_es->s_log_groups_per_flex;
- groups_per_flex = 1 << sbi->s_log_groups_per_flex;
-
- if (groups_per_flex < 2) {
+ if (sbi->s_log_groups_per_flex < 1 || sbi->s_log_groups_per_flex > 31) {
sbi->s_log_groups_per_flex = 0;
return 1;
}
+ groups_per_flex = 1 << sbi->s_log_groups_per_flex;
/* We allocate both existing and potentially added groups */
flex_group_count = ((sbi->s_groups_count + groups_per_flex - 1) +
@@ -3506,7 +3505,7 @@ 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"
+ 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));
@@ -3733,10 +3732,12 @@ no_journal:
}
if (!S_ISDIR(root->i_mode) || !root->i_blocks || !root->i_size) {
ext4_msg(sb, KERN_ERR, "corrupt root inode, run e2fsck");
+ iput(root);
goto failed_mount4;
}
sb->s_root = d_alloc_root(root);
if (!sb->s_root) {
+ iput(root);
ext4_msg(sb, KERN_ERR, "get root dentry failed");
ret = -ENOMEM;
goto failed_mount4;
@@ -3773,7 +3774,7 @@ no_journal:
if (err) {
ext4_msg(sb, KERN_ERR, "failed to initialize system "
"zone (%d)", err);
- goto failed_mount4;
+ goto failed_mount4a;
}
ext4_ext_init(sb);
@@ -3830,13 +3831,14 @@ cantfind_ext4:
failed_mount7:
ext4_unregister_li_request(sb);
failed_mount6:
- ext4_ext_release(sb);
-failed_mount5:
ext4_mb_release(sb);
+failed_mount5:
+ ext4_ext_release(sb);
ext4_release_system_zone(sb);
-failed_mount4:
- iput(root);
+failed_mount4a:
+ dput(sb->s_root);
sb->s_root = NULL;
+failed_mount4:
ext4_msg(sb, KERN_ERR, "mount failed");
destroy_workqueue(EXT4_SB(sb)->dio_unwritten_wq);
failed_mount_wq: