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82 lines
2.7 KiB
82 lines
2.7 KiB
7 years ago
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---
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libmultipath/devmapper.c | 31 +++++++++++++++++++++----------
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1 file changed, 21 insertions(+), 10 deletions(-)
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Index: multipath-tools-130222/libmultipath/devmapper.c
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===================================================================
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--- multipath-tools-130222.orig/libmultipath/devmapper.c
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+++ multipath-tools-130222/libmultipath/devmapper.c
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@@ -264,12 +264,15 @@ dm_device_remove (const char *name, int
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static int
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dm_addmap (int task, const char *target, struct multipath *mpp, char * params,
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- int use_uuid, int ro, int skip_kpartx) {
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+ int use_uuid, int ro, uint16_t udev_flags) {
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int r = 0;
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struct dm_task *dmt;
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char *prefixed_uuid = NULL;
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uint32_t cookie = 0;
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- uint16_t udev_flags = ((conf->daemon)? DM_UDEV_DISABLE_LIBRARY_FALLBACK : 0) | ((skip_kpartx == SKIP_KPARTX_ON)? MPATH_UDEV_NO_KPARTX_FLAG : 0);
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+
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+ /* Need to add this here to allow 0 to be passed in udev_flags */
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+ if (conf->daemon)
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+ udev_flags |= DM_UDEV_DISABLE_LIBRARY_FALLBACK;
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if (!(dmt = dm_task_create (task)))
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return 0;
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@@ -326,16 +329,28 @@ dm_addmap (int task, const char *target,
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return r;
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}
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+static uint16_t build_udev_flags(const struct multipath *mpp, int reload)
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+{
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+ /* DM_UDEV_DISABLE_LIBRARY_FALLBACK is added in dm_addmap */
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+ return (mpp->skip_kpartx == SKIP_KPARTX_ON ?
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+ MPATH_UDEV_NO_KPARTX_FLAG : 0) |
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+ (mpp->nr_active == 0 ?
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+ MPATH_UDEV_NO_PATHS_FLAG : 0) |
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+ (reload && !mpp->force_udev_reload ?
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+ MPATH_UDEV_RELOAD_FLAG : 0);
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+}
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+
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extern int
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dm_addmap_create (struct multipath *mpp, char * params) {
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int ro;
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+ uint16_t udev_flags = build_udev_flags(mpp, 0);
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sysfs_set_max_sectors_kb(mpp, 0);
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for (ro = 0; ro <= 1; ro++) {
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int err;
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if (dm_addmap(DM_DEVICE_CREATE, TGT_MPATH,
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- mpp, params, 1, ro, mpp->skip_kpartx))
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+ mpp, params, 1, ro, udev_flags))
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return 1;
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/*
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* DM_DEVICE_CREATE is actually DM_DEV_CREATE + DM_TABLE_LOAD.
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@@ -358,21 +373,17 @@ dm_addmap_create (struct multipath *mpp,
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extern int
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dm_addmap_reload (struct multipath *mpp, char *params, int flush) {
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int r = 0;
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- uint16_t udev_flags = ((mpp->force_udev_reload)?
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- 0 : MPATH_UDEV_RELOAD_FLAG) |
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- ((mpp->skip_kpartx == SKIP_KPARTX_ON)?
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- MPATH_UDEV_NO_KPARTX_FLAG : 0) |
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- ((mpp->nr_active)? 0 : MPATH_UDEV_NO_PATHS_FLAG);
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+ uint16_t udev_flags = build_udev_flags(mpp, 1);
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sysfs_set_max_sectors_kb(mpp, 1);
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if (!mpp->force_readonly)
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r = dm_addmap(DM_DEVICE_RELOAD, TGT_MPATH, mpp, params, 0,
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- ADDMAP_RW, SKIP_KPARTX_OFF);
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+ ADDMAP_RW, 0);
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if (!r) {
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if (!mpp->force_readonly && errno != EROFS)
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return 0;
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r = dm_addmap(DM_DEVICE_RELOAD, TGT_MPATH, mpp, params, 0,
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- ADDMAP_RO, SKIP_KPARTX_OFF);
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+ ADDMAP_RO, 0);
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}
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if (r)
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r = dm_simplecmd(DM_DEVICE_RESUME, mpp->alias, !flush,
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