diff options
Diffstat (limited to 'package/util-linux/0001-blkdiscard-use-O_EXCL-add-force.patch')
| -rw-r--r-- | package/util-linux/0001-blkdiscard-use-O_EXCL-add-force.patch | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/package/util-linux/0001-blkdiscard-use-O_EXCL-add-force.patch b/package/util-linux/0001-blkdiscard-use-O_EXCL-add-force.patch deleted file mode 100644 index 0ecb867029..0000000000 --- a/package/util-linux/0001-blkdiscard-use-O_EXCL-add-force.patch +++ /dev/null @@ -1,86 +0,0 @@ -From 34fed3ff1740aded9c2aae6b5d67a4eb696f738e Mon Sep 17 00:00:00 2001 -From: Karel Zak <kzak@redhat.com> -Date: Thu, 9 Jan 2020 11:03:51 +0100 -Subject: [PATCH] blkdiscard: use O_EXCL, add --force - -Let's make it more robust and safe. O_EXCL is an elegant way how to avoid -unwanted discard on mounted device. - -Addresses: https://github.com/karelzak/util-linux/issues/915 -Signed-off-by: Karel Zak <kzak@redhat.com> -Signed-off-by: Carlos Santos <unixmania@gmail.com> ---- - sys-utils/blkdiscard.8 | 5 +++++ - sys-utils/blkdiscard.c | 11 ++++++++--- - 2 files changed, 13 insertions(+), 3 deletions(-) - -diff --git a/sys-utils/blkdiscard.8 b/sys-utils/blkdiscard.8 -index 1f3a32be9..98c6f36a9 100644 ---- a/sys-utils/blkdiscard.8 -+++ b/sys-utils/blkdiscard.8 -@@ -36,6 +36,11 @@ MiB (=1024*1024), and so on for GiB, TiB, PiB, EiB, ZiB and YiB (the "iB" is - optional, e.g., "K" has the same meaning as "KiB") or the suffixes - KB (=1000), MB (=1000*1000), and so on for GB, TB, PB, EB, ZB and YB. - .TP -+.BR \-f , " \-\-force" -+Disable all checking. Since v2.36 the block device is open in exclusive mode (O_EXCL) -+by default to avoid collision with mounted filesystem or another kernel subsystem. -+The force option disables the exclusive access mode. -+.TP - .BR \-o , " \-\-offset \fIoffset" - Byte offset into the device from which to start discarding. The provided value - will be aligned to the device sector size. The default value is zero. -diff --git a/sys-utils/blkdiscard.c b/sys-utils/blkdiscard.c -index f9ba5e468..589974f9c 100644 ---- a/sys-utils/blkdiscard.c -+++ b/sys-utils/blkdiscard.c -@@ -88,6 +88,7 @@ static void __attribute__((__noreturn__)) usage(void) - fputs(_("Discard the content of sectors on a device.\n"), out); - - fputs(USAGE_OPTIONS, out); -+ fputs(_(" -f, --force disable all checking\n"), out); - fputs(_(" -o, --offset <num> offset in bytes to discard from\n"), out); - fputs(_(" -l, --length <num> length of bytes to discard from the offset\n"), out); - fputs(_(" -p, --step <num> size of the discard iterations within the offset\n"), out); -@@ -106,7 +107,7 @@ static void __attribute__((__noreturn__)) usage(void) - int main(int argc, char **argv) - { - char *path; -- int c, fd, verbose = 0, secsize; -+ int c, fd, verbose = 0, secsize, force = 0; - uint64_t end, blksize, step, range[2], stats[2]; - struct stat sb; - struct timeval now, last; -@@ -116,6 +117,7 @@ int main(int argc, char **argv) - { "help", no_argument, NULL, 'h' }, - { "version", no_argument, NULL, 'V' }, - { "offset", required_argument, NULL, 'o' }, -+ { "force", no_argument, NULL, 'f' }, - { "length", required_argument, NULL, 'l' }, - { "step", required_argument, NULL, 'p' }, - { "secure", no_argument, NULL, 's' }, -@@ -133,8 +135,11 @@ int main(int argc, char **argv) - range[1] = ULLONG_MAX; - step = 0; - -- while ((c = getopt_long(argc, argv, "hVsvo:l:p:z", longopts, NULL)) != -1) { -+ while ((c = getopt_long(argc, argv, "hfVsvo:l:p:z", longopts, NULL)) != -1) { - switch(c) { -+ case 'f': -+ force = 1; -+ break; - case 'l': - range[1] = strtosize_or_err(optarg, - _("failed to parse length")); -@@ -176,7 +181,7 @@ int main(int argc, char **argv) - errtryhelp(EXIT_FAILURE); - } - -- fd = open(path, O_WRONLY); -+ fd = open(path, O_WRONLY | (force ? 0 : O_EXCL)); - if (fd < 0) - err(EXIT_FAILURE, _("cannot open %s"), path); - --- -2.18.2 - |