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author | Stefan Roese <sr@denx.de> | 2010-11-01 17:28:22 +0100 |
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committer | Stefan Roese <sr@denx.de> | 2010-12-03 18:24:04 +0100 |
commit | 2f15cfd187f1cf7a0606a1ec3e637954311a735a (patch) | |
tree | b60cf597e60ddd1e01035a137c01a442807a13c3 /common | |
parent | b1a14f8a1c2e72d5c58269d0200f722d8eec19c4 (diff) | |
download | bootable_bootloader_goldelico_gta04-2f15cfd187f1cf7a0606a1ec3e637954311a735a.zip bootable_bootloader_goldelico_gta04-2f15cfd187f1cf7a0606a1ec3e637954311a735a.tar.gz bootable_bootloader_goldelico_gta04-2f15cfd187f1cf7a0606a1ec3e637954311a735a.tar.bz2 |
UBI/UBIFS: Automatically unmount UBIFS volume upon UBI partition change
Automatically unmount UBIFS partition when user changes the UBI device.
Otherwise the following UBIFS commands will crash.
Signed-off-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'common')
-rw-r--r-- | common/cmd_ubi.c | 15 | ||||
-rw-r--r-- | common/cmd_ubifs.c | 26 |
2 files changed, 35 insertions, 6 deletions
diff --git a/common/cmd_ubi.c b/common/cmd_ubi.c index 7692ac7..b486ca8 100644 --- a/common/cmd_ubi.c +++ b/common/cmd_ubi.c @@ -42,6 +42,11 @@ struct selected_dev { static struct selected_dev ubi_dev; +#ifdef CONFIG_CMD_UBIFS +int ubifs_is_mounted(void); +void cmd_ubifs_umount(void); +#endif + static void ubi_dump_vol_info(const struct ubi_volume *vol) { ubi_msg("volume information dump:"); @@ -472,6 +477,16 @@ static int do_ubi(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[]) if (argc < 3) return cmd_usage(cmdtp); +#ifdef CONFIG_CMD_UBIFS + /* + * Automatically unmount UBIFS partition when user + * changes the UBI device. Otherwise the following + * UBIFS commands will crash. + */ + if (ubifs_is_mounted()) + cmd_ubifs_umount(); +#endif + /* todo: get dev number for NAND... */ ubi_dev.nr = 0; diff --git a/common/cmd_ubifs.c b/common/cmd_ubifs.c index 9526780..3cd2d8f 100644 --- a/common/cmd_ubifs.c +++ b/common/cmd_ubifs.c @@ -72,6 +72,25 @@ int do_ubifs_mount(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) return 0; } +int ubifs_is_mounted(void) +{ + return ubifs_mounted; +} + +void cmd_ubifs_umount(void) +{ + + if (ubifs_sb) { + printf("Unmounting UBIFS volume %s!\n", + ((struct ubifs_info *)(ubifs_sb->s_fs_info))->vi.name); + ubifs_umount(ubifs_sb->s_fs_info); + } + + ubifs_sb = NULL; + ubifs_mounted = 0; + ubifs_initialized = 0; +} + int do_ubifs_umount(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { if (argc != 1) @@ -82,12 +101,7 @@ int do_ubifs_umount(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) return -1; } - if (ubifs_sb) - ubifs_umount(ubifs_sb->s_fs_info); - - ubifs_sb = NULL; - ubifs_mounted = 0; - ubifs_initialized = 0; + cmd_ubifs_umount(); return 0; } |