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    SubjectRe: [PATCH v7 1/3] fs: fat: Add fat filesystem partition volume label in local structure
    Date
    ChenGuanqiao <chen.chenchacha@foxmail.com> writes:

    > Signed-off-by: ChenGuanqiao <chen.chenchacha@foxmail.com>
    > ---
    > fs/fat/fat.h | 6 ++++++
    > fs/fat/inode.c | 15 ++++++++++++---
    > include/uapi/linux/msdos_fs.h | 2 ++
    > 3 files changed, 20 insertions(+), 3 deletions(-)
    >
    > diff --git a/fs/fat/fat.h b/fs/fat/fat.h
    > index 8fc1093da47d..96f631282c71 100644
    > --- a/fs/fat/fat.h
    > +++ b/fs/fat/fat.h
    > @@ -86,6 +86,7 @@ struct msdos_sb_info {
    > int dir_per_block; /* dir entries per block */
    > int dir_per_block_bits; /* log2(dir_per_block) */
    > unsigned int vol_id; /*volume ID*/
    > + char vol_label[11]; /*volume label*/

    In latter patches doesn't use this cache. Why do we cache, or why read
    ioctl doesn't use this cache?
    --
    OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>

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