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fs: Implement mkfs operation in FAT fs

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Provide an implementation of fs_mkfs operation in FAT fs.

Signed-off-by: Franciszek Zdobylak <fzdobylak@internships.antmicro.com>
This commit is contained in:
Franciszek Zdobylak 2022-10-24 08:37:41 +02:00 • committed by Carles Cufí
commit 2259e98d95
1 changed files with 30 additions and 0 deletions
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30
subsys/fs/fat_fs.c
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@ -458,6 +458,33 @@ static int fatfs_unmount(struct fs_mount_t *mountp)
return translate_error(res);
}
#if defined(CONFIG_FILE_SYSTEM_MKFS)
static MKFS_PARM def_cfg = {
.fmt = FM_ANY | FM_SFD, /* Any suitable FAT */
.n_fat = 1, /* One FAT fs table */
.align = 0, /* Get sector size via diskio query */
.n_root = CONFIG_FS_FATFS_MAX_ROOT_ENTRIES,
.au_size = 0 /* Auto calculate cluster size */
};
static int fatfs_mkfs(uintptr_t dev_id, void *cfg, int flags)
{
FRESULT res;
uint8_t work[FF_MAX_SS];
MKFS_PARM *mkfs_opt = &def_cfg;
if (cfg != NULL) {
mkfs_opt = (MKFS_PARM *)cfg;
}
res = f_mkfs((char *)dev_id, mkfs_opt, work, sizeof(work));
return translate_error(res);
}
#endif /* CONFIG_FILE_SYSTEM_MKFS */
/* File system interface */
static const struct fs_file_system_t fatfs_fs = {
.open = fatfs_open,
@ -478,6 +505,9 @@ static const struct fs_file_system_t fatfs_fs = {
.mkdir = fatfs_mkdir,
.stat = fatfs_stat,
.statvfs = fatfs_statvfs,
#if defined(CONFIG_FILE_SYSTEM_MKFS)
.mkfs = fatfs_mkfs,
#endif
};
static int fatfs_init(const struct device *dev)