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2493 change efi_rescan() to wait longer
Change efi_rescan() to loop 10 times instead of 5 on EBUSY and to sleep at the end of each loop. This helps with some instances where the kernel does not reload the partition table fast enough for ZFS to detect. Signed-off-by: Andrew Hamilton <ahamilto@tjhsst.edu> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #2493
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@ -506,16 +506,17 @@ int
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efi_rescan(int fd)
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{
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#if defined(__linux__)
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int retry = 5;
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int retry = 10;
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int error;
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/* Notify the kernel a devices partition table has been updated */
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while ((error = ioctl(fd, BLKRRPART)) != 0) {
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if (--retry == 0) {
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if ((--retry == 0) || (errno != EBUSY)) {
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(void) fprintf(stderr, "the kernel failed to rescan "
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"the partition table: %d\n", errno);
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return (-1);
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}
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usleep(50000);
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}
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#endif
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