3.16.82-rc1 review patch. If anyone has any objections, please let me know. ------------------ From: Oliver Neukum <oneukum@xxxxxxxx> commit 65cc8bf99349f651a0a2cee69333525fe581f306 upstream. Document which flags work storage, UAS or both Signed-off-by: Oliver Neukum <oneukum@xxxxxxxx> Link: https://lore.kernel.org/r/20191114112758.32747-4-oneukum@xxxxxxxx Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> [bwh: Backported to 3.16: Drop change relating to ALWAYS_SYNC] Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx> --- .../kernel-parameters.txt | 22 ++++++++++--------- 1 file changed, 12 insertions(+), 10 deletions(-) --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -3730,13 +3730,13 @@ bytes respectively. Such letter suffixes Flags is a set of characters, each corresponding to a common usb-storage quirk flag as follows: a = SANE_SENSE (collect more than 18 bytes - of sense data); + of sense data, not on uas); b = BAD_SENSE (don't collect more than 18 - bytes of sense data); + bytes of sense data, not on uas); c = FIX_CAPACITY (decrease the reported device capacity by one sector); d = NO_READ_DISC_INFO (don't use - READ_DISC_INFO command); + READ_DISC_INFO command, not on uas); e = NO_READ_CAPACITY_16 (don't use READ_CAPACITY_16 command); f = NO_REPORT_OPCODES (don't use report opcodes @@ -3751,17 +3751,18 @@ bytes respectively. Such letter suffixes j = NO_REPORT_LUNS (don't use report luns command, uas only); l = NOT_LOCKABLE (don't try to lock and - unlock ejectable media); + unlock ejectable media, not on uas); m = MAX_SECTORS_64 (don't transfer more - than 64 sectors = 32 KB at a time); + than 64 sectors = 32 KB at a time, + not on uas); n = INITIAL_READ10 (force a retry of the - initial READ(10) command); + initial READ(10) command, not on uas); o = CAPACITY_OK (accept the capacity - reported by the device); + reported by the device, not on uas); p = WRITE_CACHE (the device cache is ON - by default); + by default, not on uas); r = IGNORE_RESIDUE (the device reports - bogus residue values); + bogus residue values, not on uas); s = SINGLE_LUN (the device has only one Logical Unit); t = NO_ATA_1X (don't allow ATA(12) and ATA(16)