72 lines
2.3 KiB
Diff
72 lines
2.3 KiB
Diff
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---
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libmultipath/devmapper.c | 21 +++++++++++++++++----
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libmultipath/devmapper.h | 2 +-
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2 files changed, 18 insertions(+), 5 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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@@ -363,7 +363,7 @@ out:
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}
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extern int
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-dm_get_map(char * name, unsigned long long * size, char * outparams)
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+dm_get_map(const char * name, unsigned long long * size, char * outparams)
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{
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int r = 1;
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struct dm_task *dmt;
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@@ -682,7 +682,9 @@ _dm_flush_map (const char * mapname, int
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extern int
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dm_suspend_and_flush_map (const char * mapname)
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{
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- int s;
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+ int s = 0, queue_if_no_path = 0;
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+ unsigned long long mapsize;
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+ char params[PARAMS_SIZE] = {0};
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if (!dm_map_present(mapname))
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return 0;
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@@ -690,8 +692,17 @@ dm_suspend_and_flush_map (const char * m
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if (dm_type(mapname, TGT_MPATH) <= 0)
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return 0; /* nothing to do */
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- s = dm_queue_if_no_path((char *)mapname, 0);
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- if (!s)
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+ if (!dm_get_map(mapname, &mapsize, params)) {
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+ if (strstr(params, "queue_if_no_path"))
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+ queue_if_no_path = 1;
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+ }
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+
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+ if (queue_if_no_path)
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+ s = dm_queue_if_no_path((char *)mapname, 0);
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+ /* Leave queue_if_no_path alone if unset failed */
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+ if (s)
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+ queue_if_no_path = 0;
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+ else
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s = dm_simplecmd_flush(DM_DEVICE_SUSPEND, mapname, 0);
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if (!dm_flush_map(mapname)) {
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@@ -700,6 +711,8 @@ dm_suspend_and_flush_map (const char * m
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}
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condlog(2, "failed to remove multipath map %s", mapname);
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dm_simplecmd_noflush(DM_DEVICE_RESUME, mapname);
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+ if (queue_if_no_path)
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+ s = dm_queue_if_no_path((char *)mapname, 1);
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return 1;
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}
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Index: multipath-tools-130222/libmultipath/devmapper.h
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===================================================================
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--- multipath-tools-130222.orig/libmultipath/devmapper.h
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+++ multipath-tools-130222/libmultipath/devmapper.h
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@@ -14,7 +14,7 @@ int dm_simplecmd_noflush (int, const cha
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int dm_addmap_create (struct multipath *mpp, char *params);
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int dm_addmap_reload (struct multipath *mpp, char *params);
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int dm_map_present (const char *);
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-int dm_get_map(char *, unsigned long long *, char *);
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+int dm_get_map(const char *, unsigned long long *, char *);
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int dm_get_status(char *, char *);
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int dm_type(const char *, char *);
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int _dm_flush_map (const char *, int);
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