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authorDenys Vlasenko2021-09-10 00:20:05 +0200
committerDenys Vlasenko2021-09-10 00:20:05 +0200
commitc421388dcaa6adba9f2f7cda3be4537daa466355 (patch)
tree2ba7debd2b4129cbf37ec0459669aa13360c0bc6 /util-linux
parent0599e0f87bcaa4b9f91652fa53bc29a3bdacfa13 (diff)
downloadbusybox-c421388dcaa6adba9f2f7cda3be4537daa466355.zip
busybox-c421388dcaa6adba9f2f7cda3be4537daa466355.tar.gz
blkdiscard: accept -f (force) as no-op
function old new delta .rodata 104250 104251 +1 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'util-linux')
-rw-r--r--util-linux/blkdiscard.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/util-linux/blkdiscard.c b/util-linux/blkdiscard.c
index ff2101e..7ac8045 100644
--- a/util-linux/blkdiscard.c
+++ b/util-linux/blkdiscard.c
@@ -18,10 +18,12 @@
//usage:#define blkdiscard_trivial_usage
//usage: "[-o OFS] [-l LEN] [-s] DEVICE"
//usage:#define blkdiscard_full_usage "\n\n"
-//usage: "Discard sectors on DEVICE\n"
-//usage: "\n -o OFS Byte offset into device"
-//usage: "\n -l LEN Number of bytes to discard"
-//usage: "\n -s Perform a secure discard"
+//usage: "Discard sectors on DEVICE\n"
+//usage: "\n -o OFS Byte offset into device"
+//usage: "\n -l LEN Number of bytes to discard"
+//usage: "\n -s Perform a secure discard"
+///////: "\n -f Disable check for mounted filesystem"
+//////////////// -f: accepted but is a nop (we do no check anyway)
//usage:
//usage:#define blkdiscard_example_usage
//usage: "$ blkdiscard -o 0 -l 1G /dev/sdb"
@@ -51,9 +53,10 @@ int blkdiscard_main(int argc UNUSED_PARAM, char **argv)
OPT_OFFSET = (1 << 0),
OPT_LENGTH = (1 << 1),
OPT_SECURE = (1 << 2),
+ OPT_FORCE = (1 << 3), //nop
};
- opts = getopt32(argv, "^" "o:l:s" "\0" "=1", &offset_str, &length_str);
+ opts = getopt32(argv, "^" "o:l:sf" "\0" "=1", &offset_str, &length_str);
argv += optind;
fd = xopen(argv[0], O_RDWR|O_EXCL);