diff options
| author | Sjoerd Simons <sjoerd.simons@collabora.co.uk> | 2015-01-05 18:13:36 +0100 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2015-01-29 13:36:54 -0500 |
| commit | 1a1ad8e0903ec916d1e3ef8c18fa335d765a4342 (patch) | |
| tree | befa1ea03b3cc9666d36ccdd96ebb90ddf6c2aa3 /fs | |
| parent | 2af13d6b6265a6700c4f65597410b769895024bf (diff) | |
fs: Add command to retrieve the filesystem type
New command to determine the filesystem type of a given partition.
Optionally stores the filesystem type in a environment variable.
Signed-off-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/fs.c | 27 |
1 files changed, 27 insertions, 0 deletions
@@ -79,6 +79,7 @@ static inline int fs_uuid_unsupported(char *uuid_str) struct fstype_info { int fstype; + char *name; /* * Is it legal to pass NULL as .probe()'s fs_dev_desc parameter? This * should be false in most cases. For "virtual" filesystems which @@ -105,6 +106,7 @@ static struct fstype_info fstypes[] = { #ifdef CONFIG_FS_FAT { .fstype = FS_TYPE_FAT, + .name = "fat", .null_dev_desc_ok = false, .probe = fat_set_blk_dev, .close = fat_close, @@ -123,6 +125,7 @@ static struct fstype_info fstypes[] = { #ifdef CONFIG_FS_EXT4 { .fstype = FS_TYPE_EXT, + .name = "ext4", .null_dev_desc_ok = false, .probe = ext4fs_probe, .close = ext4fs_close, @@ -141,6 +144,7 @@ static struct fstype_info fstypes[] = { #ifdef CONFIG_SANDBOX { .fstype = FS_TYPE_SANDBOX, + .name = "sandbox", .null_dev_desc_ok = true, .probe = sandbox_fs_set_blk_dev, .close = sandbox_fs_close, @@ -154,6 +158,7 @@ static struct fstype_info fstypes[] = { #endif { .fstype = FS_TYPE_ANY, + .name = "unsupported", .null_dev_desc_ok = true, .probe = fs_probe_unsupported, .close = fs_close_unsupported, @@ -190,6 +195,7 @@ int fs_set_blk_dev(const char *ifname, const char *dev_part_str, int fstype) if (!relocated) { for (i = 0, info = fstypes; i < ARRAY_SIZE(fstypes); i++, info++) { + info->name += gd->reloc_off; info->probe += gd->reloc_off; info->close += gd->reloc_off; info->ls += gd->reloc_off; @@ -503,3 +509,24 @@ int do_fs_uuid(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[], return CMD_RET_SUCCESS; } + +int do_fs_type(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + struct fstype_info *info; + + if (argc < 3 || argc > 4) + return CMD_RET_USAGE; + + if (fs_set_blk_dev(argv[1], argv[2], FS_TYPE_ANY)) + return 1; + + info = fs_get_info(fs_type); + + if (argc == 4) + setenv(argv[3], info->name); + else + printf("%s\n", info->name); + + return CMD_RET_SUCCESS; +} + |