diff options
Diffstat (limited to '0072-RHBZ-1039199-check-loop-control.patch')
| -rw-r--r-- | 0072-RHBZ-1039199-check-loop-control.patch | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/0072-RHBZ-1039199-check-loop-control.patch b/0072-RHBZ-1039199-check-loop-control.patch new file mode 100644 index 0000000..73d6f88 --- /dev/null +++ b/0072-RHBZ-1039199-check-loop-control.patch @@ -0,0 +1,45 @@ +--- + kpartx/lopart.c | 17 +++++++++++++++-- + 1 file changed, 15 insertions(+), 2 deletions(-) + +Index: multipath-tools-130222/kpartx/lopart.c +=================================================================== +--- multipath-tools-130222.orig/kpartx/lopart.c ++++ multipath-tools-130222/kpartx/lopart.c +@@ -32,6 +32,10 @@ + #include "lopart.h" + #include "xstrncpy.h" + ++#ifndef LOOP_CTL_GET_FREE ++#define LOOP_CTL_GET_FREE 0x4C82 ++#endif ++ + #if !defined (__alpha__) && !defined (__ia64__) && !defined (__x86_64__) \ + && !defined (__s390x__) + #define int2ptr(x) ((void *) ((int) x)) +@@ -140,14 +144,23 @@ find_unused_loop_device (void) + + char dev[20]; + char *loop_formats[] = { "/dev/loop%d", "/dev/loop/%d" }; +- int i, j, fd, somedev = 0, someloop = 0, loop_known = 0; ++ int i, j, fd, first = 0, somedev = 0, someloop = 0, loop_known = 0; + struct stat statbuf; + struct loop_info loopinfo; + FILE *procdev; + ++ if (stat("/dev/loop-control", &statbuf) == 0 && ++ S_ISCHR(statbuf.st_mode)) { ++ fd = open("/dev/loop-control", O_RDWR); ++ if (fd >= 0) ++ first = ioctl(fd, LOOP_CTL_GET_FREE); ++ close(fd); ++ if (first < 0) ++ first = 0; ++ } + for (j = 0; j < SIZE(loop_formats); j++) { + +- for(i = 0; i < 256; i++) { ++ for(i = first; i < 256; i++) { + sprintf(dev, loop_formats[j], i); + + if (stat (dev, &statbuf) == 0 && S_ISBLK(statbuf.st_mode)) { |