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Diffstat (limited to 'fs/ext4/super.c')
-rw-r--r--fs/ext4/super.c59
1 files changed, 37 insertions, 22 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 2c9e6864abd9..43c92b1685cb 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -176,15 +176,6 @@ void *ext4_kvzalloc(size_t size, gfp_t flags)
return ret;
}
-void ext4_kvfree(void *ptr)
-{
- if (is_vmalloc_addr(ptr))
- vfree(ptr);
- else
- kfree(ptr);
-
-}
-
ext4_fsblk_t ext4_block_bitmap(struct super_block *sb,
struct ext4_group_desc *bg)
{
@@ -811,8 +802,8 @@ static void ext4_put_super(struct super_block *sb)
for (i = 0; i < sbi->s_gdb_count; i++)
brelse(sbi->s_group_desc[i]);
- ext4_kvfree(sbi->s_group_desc);
- ext4_kvfree(sbi->s_flex_groups);
+ kvfree(sbi->s_group_desc);
+ kvfree(sbi->s_flex_groups);
percpu_counter_destroy(&sbi->s_freeclusters_counter);
percpu_counter_destroy(&sbi->s_freeinodes_counter);
percpu_counter_destroy(&sbi->s_dirs_counter);
@@ -880,10 +871,10 @@ static struct inode *ext4_alloc_inode(struct super_block *sb)
spin_lock_init(&ei->i_prealloc_lock);
ext4_es_init_tree(&ei->i_es_tree);
rwlock_init(&ei->i_es_lock);
- INIT_LIST_HEAD(&ei->i_es_lru);
+ INIT_LIST_HEAD(&ei->i_es_list);
ei->i_es_all_nr = 0;
- ei->i_es_lru_nr = 0;
- ei->i_touch_when = 0;
+ ei->i_es_shk_nr = 0;
+ ei->i_es_shrink_lblk = 0;
ei->i_reserved_data_blocks = 0;
ei->i_reserved_meta_blocks = 0;
ei->i_allocated_meta_blocks = 0;
@@ -892,6 +883,7 @@ static struct inode *ext4_alloc_inode(struct super_block *sb)
spin_lock_init(&(ei->i_block_reservation_lock));
#ifdef CONFIG_QUOTA
ei->i_reserved_quota = 0;
+ memset(&ei->i_dquot, 0, sizeof(ei->i_dquot));
#endif
ei->jinode = NULL;
INIT_LIST_HEAD(&ei->i_rsv_conversion_list);
@@ -972,7 +964,6 @@ void ext4_clear_inode(struct inode *inode)
dquot_drop(inode);
ext4_discard_preallocations(inode);
ext4_es_remove_extent(inode, 0, EXT_MAX_BLOCKS);
- ext4_es_lru_del(inode);
if (EXT4_I(inode)->jinode) {
jbd2_journal_release_jbd_inode(EXT4_JOURNAL(inode),
EXT4_I(inode)->jinode);
@@ -1068,6 +1059,11 @@ static int ext4_quota_enable(struct super_block *sb, int type, int format_id,
unsigned int flags);
static int ext4_enable_quotas(struct super_block *sb);
+static struct dquot **ext4_get_dquots(struct inode *inode)
+{
+ return EXT4_I(inode)->i_dquot;
+}
+
static const struct dquot_operations ext4_quota_operations = {
.get_reserved_space = ext4_get_reserved_space,
.write_dquot = ext4_write_dquot,
@@ -1117,6 +1113,7 @@ static const struct super_operations ext4_sops = {
#ifdef CONFIG_QUOTA
.quota_read = ext4_quota_read,
.quota_write = ext4_quota_write,
+ .get_dquots = ext4_get_dquots,
#endif
.bdev_try_to_free_page = bdev_try_to_free_page,
};
@@ -1146,7 +1143,7 @@ enum {
Opt_inode_readahead_blks, Opt_journal_ioprio,
Opt_dioread_nolock, Opt_dioread_lock,
Opt_discard, Opt_nodiscard, Opt_init_itable, Opt_noinit_itable,
- Opt_max_dir_size_kb,
+ Opt_max_dir_size_kb, Opt_nojournal_checksum,
};
static const match_table_t tokens = {
@@ -1180,6 +1177,7 @@ static const match_table_t tokens = {
{Opt_journal_dev, "journal_dev=%u"},
{Opt_journal_path, "journal_path=%s"},
{Opt_journal_checksum, "journal_checksum"},
+ {Opt_nojournal_checksum, "nojournal_checksum"},
{Opt_journal_async_commit, "journal_async_commit"},
{Opt_abort, "abort"},
{Opt_data_journal, "data=journal"},
@@ -1361,6 +1359,8 @@ static const struct mount_opts {
MOPT_EXT4_ONLY | MOPT_SET | MOPT_EXPLICIT},
{Opt_nodelalloc, EXT4_MOUNT_DELALLOC,
MOPT_EXT4_ONLY | MOPT_CLEAR},
+ {Opt_nojournal_checksum, EXT4_MOUNT_JOURNAL_CHECKSUM,
+ MOPT_EXT4_ONLY | MOPT_CLEAR},
{Opt_journal_checksum, EXT4_MOUNT_JOURNAL_CHECKSUM,
MOPT_EXT4_ONLY | MOPT_SET},
{Opt_journal_async_commit, (EXT4_MOUNT_JOURNAL_ASYNC_COMMIT |
@@ -1702,6 +1702,12 @@ static int parse_options(char *options, struct super_block *sb,
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");
+ return 0;
+ }
return 1;
}
@@ -1939,7 +1945,7 @@ int ext4_alloc_flex_bg_array(struct super_block *sb, ext4_group_t ngroup)
memcpy(new_groups, sbi->s_flex_groups,
(sbi->s_flex_groups_allocated *
sizeof(struct flex_groups)));
- ext4_kvfree(sbi->s_flex_groups);
+ kvfree(sbi->s_flex_groups);
}
sbi->s_flex_groups = new_groups;
sbi->s_flex_groups_allocated = size / sizeof(struct flex_groups);
@@ -3310,7 +3316,7 @@ int ext4_calculate_overhead(struct super_block *sb)
struct ext4_super_block *es = sbi->s_es;
ext4_group_t i, ngroups = ext4_get_groups_count(sb);
ext4_fsblk_t overhead = 0;
- char *buf = (char *) get_zeroed_page(GFP_KERNEL);
+ char *buf = (char *) get_zeroed_page(GFP_NOFS);
if (!buf)
return -ENOMEM;
@@ -3338,8 +3344,8 @@ int ext4_calculate_overhead(struct super_block *sb)
memset(buf, 0, PAGE_SIZE);
cond_resched();
}
- /* Add the journal blocks as well */
- if (sbi->s_journal)
+ /* Add the internal journal blocks as well */
+ if (sbi->s_journal && !sbi->journal_bdev)
overhead += EXT4_NUM_B2C(sbi, sbi->s_journal->j_maxlen);
sbi->s_overhead = overhead;
@@ -3932,6 +3938,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
sb->s_qcop = &ext4_qctl_sysfile_operations;
else
sb->s_qcop = &ext4_qctl_operations;
+ sb->s_quota_types = QTYPE_MASK_USR | QTYPE_MASK_GRP;
#endif
memcpy(sb->s_uuid, es->s_uuid, sizeof(es->s_uuid));
@@ -4224,7 +4231,7 @@ failed_mount7:
failed_mount6:
ext4_mb_release(sb);
if (sbi->s_flex_groups)
- ext4_kvfree(sbi->s_flex_groups);
+ kvfree(sbi->s_flex_groups);
percpu_counter_destroy(&sbi->s_freeclusters_counter);
percpu_counter_destroy(&sbi->s_freeinodes_counter);
percpu_counter_destroy(&sbi->s_dirs_counter);
@@ -4253,7 +4260,7 @@ failed_mount3:
failed_mount2:
for (i = 0; i < db_count; i++)
brelse(sbi->s_group_desc[i]);
- ext4_kvfree(sbi->s_group_desc);
+ kvfree(sbi->s_group_desc);
failed_mount:
if (sbi->s_chksum_driver)
crypto_free_shash(sbi->s_chksum_driver);
@@ -4854,6 +4861,14 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
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");
+ 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 "
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