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ext4: move option validation to a separate function

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Move option validation out of parse_options() into a separate function
ext4_validate_options().

Signed-off-by: Lukas Czerner <lczerner@redhat.com>
Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>
Link: https://lore.kernel.org/r/20211027141857.33657-4-lczerner@redhat.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Lukas Czerner
2021-10-27 16:18:47 +02:00
committed by Theodore Ts'o
parent e5a185c26c
commit 4c94bff967
1 changed files with 9 additions and 2 deletions
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11
fs/ext4/super.c
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@ -88,6 +88,7 @@ static void ext4_unregister_li_request(struct super_block *sb);
static void ext4_clear_request_list(void);
static struct inode *ext4_get_journal_inode(struct super_block *sb,
unsigned int journal_inum);
static int ext4_validate_options(struct super_block *sb);
/*
* Lock ordering
@ -2582,10 +2583,9 @@ static int parse_options(char *options, struct super_block *sb,
struct ext4_parsed_options *ret_opts,
int is_remount)
{
struct ext4_sb_info __maybe_unused *sbi = EXT4_SB(sb);
char *p, __maybe_unused *usr_qf_name, __maybe_unused *grp_qf_name;
substring_t args[MAX_OPT_ARGS];
int token;
char *p;
if (!options)
return 1;
@ -2603,7 +2603,14 @@ static int parse_options(char *options, struct super_block *sb,
is_remount) < 0)
return 0;
}
return ext4_validate_options(sb);
}
static int ext4_validate_options(struct super_block *sb)
{
struct ext4_sb_info *sbi = EXT4_SB(sb);
#ifdef CONFIG_QUOTA
char *usr_qf_name, *grp_qf_name;
/*
* We do the test below only for project quotas. 'usrquota' and
* 'grpquota' mount options are allowed even without quota feature