diff options
| author | Chao Yu <yuchao0@huawei.com> | 2017-08-08 10:54:31 +0800 |
|---|---|---|
| committer | Mister Oyster <oysterized@gmail.com> | 2017-10-04 15:33:35 +0200 |
| commit | 51bf5853e012152eea41342499ed03655714421c (patch) | |
| tree | 9e116293144948bc4d0fd5025d16476edbd41c83 /include/linux/seq_file.h | |
| parent | c1dd7253e91d1b27117b513386ffb7dc115f149e (diff) | |
f2fs: support journalled quota
This patch supports to enable f2fs to accept quota information through
mount option:
- {usr,grp,prj}jquota=<quota file path>
- jqfmt=<quota type>
Then, in ->mount flow, we can recover quota file during log replaying,
by this, journelled quota can be supported.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'include/linux/seq_file.h')
| -rw-r--r-- | include/linux/seq_file.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/include/linux/seq_file.h b/include/linux/seq_file.h index 373ce821f..87b44cf63 100644 --- a/include/linux/seq_file.h +++ b/include/linux/seq_file.h @@ -158,6 +158,23 @@ static inline struct user_namespace *seq_user_ns(struct seq_file *seq) #endif } +/** + * seq_show_options - display mount options with appropriate escapes. + * @m: the seq_file handle + * @name: the mount option name + * @value: the mount option name's value, can be NULL + */ +static inline void seq_show_option(struct seq_file *m, const char *name, + const char *value) +{ + seq_putc(m, ','); + seq_escape(m, name, ",= \t\n\\"); + if (value) { + seq_putc(m, '='); + seq_escape(m, value, ", \t\n\\"); + } +} + #define SEQ_START_TOKEN ((void *)1) /* * Helpers for iteration over list_head-s in seq_files |