diff options
| author | Heinrich Schuchardt | 2021-05-15 22:06:16 +0200 |
|---|---|---|
| committer | Heinrich Schuchardt | 2021-07-12 20:30:48 +0200 |
| commit | 13c11c665320beff22ea94674da42719b6281501 (patch) | |
| tree | 309a2b4e7c9c4481f1aa594b746669622e58a76f /fs/fat/fat.c | |
| parent | 41a4a3085591b8e837f6eec27821218b0be31036 (diff) | |
fs: fat: add file attributes to struct fs_dirent
When reading a directory in the UEFI file system we have to return file
attributes and timestamps. Copy this data to the directory entry structure.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Diffstat (limited to 'fs/fat/fat.c')
| -rw-r--r-- | fs/fat/fat.c | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/fs/fat/fat.c b/fs/fat/fat.c index c561d82b351..7021138b987 100644 --- a/fs/fat/fat.c +++ b/fs/fat/fat.c @@ -1187,6 +1187,28 @@ out: return ret == 0; } +/** + * fat2rtc() - convert FAT time stamp to RTC file stamp + * + * @date: FAT date + * @time: FAT time + * @tm: RTC time stamp + */ +static void __maybe_unused fat2rtc(u16 date, u16 time, struct rtc_time *tm) +{ + tm->tm_mday = date & 0x1f; + tm->tm_mon = (date & 0x1e0) >> 4; + tm->tm_year = (date >> 9) + 1980; + + tm->tm_sec = (time & 0x1f) << 1; + tm->tm_min = (time & 0x7e0) >> 5; + tm->tm_hour = time >> 11; + + rtc_calc_weekday(tm); + tm->tm_yday = 0; + tm->tm_isdst = 0; +} + int fat_size(const char *filename, loff_t *size) { fsdata fsdata; @@ -1325,7 +1347,15 @@ int fat_readdir(struct fs_dir_stream *dirs, struct fs_dirent **dentp) memset(dent, 0, sizeof(*dent)); strcpy(dent->name, dir->itr.name); - + if (CONFIG_IS_ENABLED(EFI_LOADER)) { + dent->attr = dir->itr.dent->attr; + fat2rtc(le16_to_cpu(dir->itr.dent->cdate), + le16_to_cpu(dir->itr.dent->ctime), &dent->create_time); + fat2rtc(le16_to_cpu(dir->itr.dent->date), + le16_to_cpu(dir->itr.dent->time), &dent->change_time); + fat2rtc(le16_to_cpu(dir->itr.dent->adate), + 0, &dent->access_time); + } if (fat_itr_isdir(&dir->itr)) { dent->type = FS_DT_DIR; } else { |