Blame SOURCES/0189-RHBZ-1395298-rbd-lock-on-read.patch
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---
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libmultipath/checkers/rbd.c | 9 ++++++++-
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1 file changed, 8 insertions(+), 1 deletion(-)
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Index: multipath-tools-130222/libmultipath/checkers/rbd.c
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===================================================================
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--- multipath-tools-130222.orig/libmultipath/checkers/rbd.c
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+++ multipath-tools-130222/libmultipath/checkers/rbd.c
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@@ -45,6 +45,7 @@ struct rbd_checker_context {
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char *username;
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int remapped;
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int blacklisted;
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+ int lock_on_read:1;
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rados_t cluster;
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@@ -141,6 +142,9 @@ int libcheck_init(struct checker * c)
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goto free_addr;
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}
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+ if (strstr(config_info, "lock_on_read"))
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+ ct->lock_on_read = 1;
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+
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ct->config_info = strdup(config_info);
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if (!ct->config_info)
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goto free_addr;
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@@ -397,7 +401,10 @@ static int rbd_remap(struct rbd_checker_
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case 0:
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argv[i++] = "rbd";
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argv[i++] = "map";
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- argv[i++] = "-o noshare";
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+ if (ct->lock_on_read)
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+ argv[i++] = "-o noshare,lock_on_read";
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+ else
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+ argv[i++] = "-o noshare";
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if (ct->username) {
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argv[i++] = "--id";
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argv[i++] = ct->username;
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