summaryrefslogtreecommitdiffstats
path: root/fs/udf
diff options
context:
space:
mode:
Diffstat (limited to 'fs/udf')
-rw-r--r--fs/udf/super.c122
1 files changed, 64 insertions, 58 deletions
diff --git a/fs/udf/super.c b/fs/udf/super.c
index e7534fb84c2d..8a7583867811 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -252,6 +252,63 @@ static int udf_sb_alloc_partition_maps(struct super_block *sb, u32 count)
return 0;
}
+static void udf_sb_free_bitmap(struct udf_bitmap *bitmap)
+{
+ int i;
+ int nr_groups = bitmap->s_nr_groups;
+ int size = sizeof(struct udf_bitmap) + (sizeof(struct buffer_head *) *
+ nr_groups);
+
+ for (i = 0; i < nr_groups; i++)
+ if (bitmap->s_block_bitmap[i])
+ brelse(bitmap->s_block_bitmap[i]);
+
+ if (size <= PAGE_SIZE)
+ kfree(bitmap);
+ else
+ vfree(bitmap);
+}
+
+static void udf_free_partition(struct udf_part_map *map)
+{
+ int i;
+ struct udf_meta_data *mdata;
+
+ if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_TABLE)
+ iput(map->s_uspace.s_table);
+ if (map->s_partition_flags & UDF_PART_FLAG_FREED_TABLE)
+ iput(map->s_fspace.s_table);
+ if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_BITMAP)
+ udf_sb_free_bitmap(map->s_uspace.s_bitmap);
+ if (map->s_partition_flags & UDF_PART_FLAG_FREED_BITMAP)
+ udf_sb_free_bitmap(map->s_fspace.s_bitmap);
+ if (map->s_partition_type == UDF_SPARABLE_MAP15)
+ for (i = 0; i < 4; i++)
+ brelse(map->s_type_specific.s_sparing.s_spar_map[i]);
+ else if (map->s_partition_type == UDF_METADATA_MAP25) {
+ mdata = &map->s_type_specific.s_metadata;
+ iput(mdata->s_metadata_fe);
+ mdata->s_metadata_fe = NULL;
+
+ iput(mdata->s_mirror_fe);
+ mdata->s_mirror_fe = NULL;
+
+ iput(mdata->s_bitmap_fe);
+ mdata->s_bitmap_fe = NULL;
+ }
+}
+
+static void udf_sb_free_partitions(struct super_block *sb)
+{
+ struct udf_sb_info *sbi = UDF_SB(sb);
+ int i;
+
+ for (i = 0; i < sbi->s_partitions; i++)
+ udf_free_partition(&sbi->s_partmaps[i]);
+ kfree(sbi->s_partmaps);
+ sbi->s_partmaps = NULL;
+}
+
static int udf_show_options(struct seq_file *seq, struct dentry *root)
{
struct super_block *sb = root->d_sb;
@@ -1596,7 +1653,11 @@ static int udf_load_sequence(struct super_block *sb, struct buffer_head *bh,
/* responsible for finding the PartitionDesc(s) */
if (!udf_process_sequence(sb, main_s, main_e, fileset))
return 1;
- return !udf_process_sequence(sb, reserve_s, reserve_e, fileset);
+ udf_sb_free_partitions(sb);
+ if (!udf_process_sequence(sb, reserve_s, reserve_e, fileset))
+ return 1;
+ udf_sb_free_partitions(sb);
+ return 0;
}
/*
@@ -1861,55 +1922,8 @@ u64 lvid_get_unique_id(struct super_block *sb)
return ret;
}
-static void udf_sb_free_bitmap(struct udf_bitmap *bitmap)
-{
- int i;
- int nr_groups = bitmap->s_nr_groups;
- int size = sizeof(struct udf_bitmap) + (sizeof(struct buffer_head *) *
- nr_groups);
-
- for (i = 0; i < nr_groups; i++)
- if (bitmap->s_block_bitmap[i])
- brelse(bitmap->s_block_bitmap[i]);
-
- if (size <= PAGE_SIZE)
- kfree(bitmap);
- else
- vfree(bitmap);
-}
-
-static void udf_free_partition(struct udf_part_map *map)
-{
- int i;
- struct udf_meta_data *mdata;
-
- if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_TABLE)
- iput(map->s_uspace.s_table);
- if (map->s_partition_flags & UDF_PART_FLAG_FREED_TABLE)
- iput(map->s_fspace.s_table);
- if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_BITMAP)
- udf_sb_free_bitmap(map->s_uspace.s_bitmap);
- if (map->s_partition_flags & UDF_PART_FLAG_FREED_BITMAP)
- udf_sb_free_bitmap(map->s_fspace.s_bitmap);
- if (map->s_partition_type == UDF_SPARABLE_MAP15)
- for (i = 0; i < 4; i++)
- brelse(map->s_type_specific.s_sparing.s_spar_map[i]);
- else if (map->s_partition_type == UDF_METADATA_MAP25) {
- mdata = &map->s_type_specific.s_metadata;
- iput(mdata->s_metadata_fe);
- mdata->s_metadata_fe = NULL;
-
- iput(mdata->s_mirror_fe);
- mdata->s_mirror_fe = NULL;
-
- iput(mdata->s_bitmap_fe);
- mdata->s_bitmap_fe = NULL;
- }
-}
-
static int udf_fill_super(struct super_block *sb, void *options, int silent)
{
- int i;
int ret;
struct inode *inode = NULL;
struct udf_options uopt;
@@ -2071,9 +2085,6 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
error_out:
if (sbi->s_vat_inode)
iput(sbi->s_vat_inode);
- if (sbi->s_partitions)
- for (i = 0; i < sbi->s_partitions; i++)
- udf_free_partition(&sbi->s_partmaps[i]);
#ifdef CONFIG_UDF_NLS
if (UDF_QUERY_FLAG(sb, UDF_FLAG_NLS_MAP))
unload_nls(sbi->s_nls_map);
@@ -2081,8 +2092,7 @@ error_out:
if (!(sb->s_flags & MS_RDONLY))
udf_close_lvid(sb);
brelse(sbi->s_lvid_bh);
-
- kfree(sbi->s_partmaps);
+ udf_sb_free_partitions(sb);
kfree(sbi);
sb->s_fs_info = NULL;
@@ -2123,16 +2133,12 @@ void _udf_warn(struct super_block *sb, const char *function,
static void udf_put_super(struct super_block *sb)
{
- int i;
struct udf_sb_info *sbi;
sbi = UDF_SB(sb);
if (sbi->s_vat_inode)
iput(sbi->s_vat_inode);
- if (sbi->s_partitions)
- for (i = 0; i < sbi->s_partitions; i++)
- udf_free_partition(&sbi->s_partmaps[i]);
#ifdef CONFIG_UDF_NLS
if (UDF_QUERY_FLAG(sb, UDF_FLAG_NLS_MAP))
unload_nls(sbi->s_nls_map);
@@ -2140,7 +2146,7 @@ static void udf_put_super(struct super_block *sb)
if (!(sb->s_flags & MS_RDONLY))
udf_close_lvid(sb);
brelse(sbi->s_lvid_bh);
- kfree(sbi->s_partmaps);
+ udf_sb_free_partitions(sb);
kfree(sb->s_fs_info);
sb->s_fs_info = NULL;
}