diff options
| -rw-r--r-- | fs/udf/super.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/udf/super.c b/fs/udf/super.c index 948e1aca0f3..e54960c0e96 100644 --- a/fs/udf/super.c +++ b/fs/udf/super.c @@ -1773,6 +1773,8 @@ static void udf_open_lvid(struct super_block *sb) if (!bh) return; + + mutex_lock(&sbi->s_alloc_mutex); lvid = (struct logicalVolIntegrityDesc *)bh->b_data; lvidiu = udf_sb_lvidiu(sbi); @@ -1789,6 +1791,7 @@ static void udf_open_lvid(struct super_block *sb) lvid->descTag.tagChecksum = udf_tag_checksum(&lvid->descTag); mark_buffer_dirty(bh); sbi->s_lvid_dirty = 0; + mutex_unlock(&sbi->s_alloc_mutex); } static void udf_close_lvid(struct super_block *sb) @@ -1801,6 +1804,7 @@ static void udf_close_lvid(struct super_block *sb) if (!bh) return; + mutex_lock(&sbi->s_alloc_mutex); lvid = (struct logicalVolIntegrityDesc *)bh->b_data; lvidiu = udf_sb_lvidiu(sbi); lvidiu->impIdent.identSuffix[0] = UDF_OS_CLASS_UNIX; @@ -1821,6 +1825,7 @@ static void udf_close_lvid(struct super_block *sb) lvid->descTag.tagChecksum = udf_tag_checksum(&lvid->descTag); mark_buffer_dirty(bh); sbi->s_lvid_dirty = 0; + mutex_unlock(&sbi->s_alloc_mutex); } u64 lvid_get_unique_id(struct super_block *sb) |