diff options
| author | Andrew Hamilton <[email protected]> | 2014-08-13 10:58:08 -0400 |
|---|---|---|
| committer | Brian Behlendorf <[email protected]> | 2014-08-26 16:12:37 -0700 |
| commit | d09a99f96b4399cb0e2611b4b57c9e64d6097e19 (patch) | |
| tree | 8d49c66518afa786b15ffefa02263fa9662c39c5 /lib/libefi/rdwr_efi.c | |
| parent | 0426c16804e572f088dd293029ab39fa75e1e203 (diff) | |
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 <[email protected]>
Signed-off-by: Brian Behlendorf <[email protected]>
Closes #2493
Diffstat (limited to 'lib/libefi/rdwr_efi.c')
| -rw-r--r-- | lib/libefi/rdwr_efi.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/libefi/rdwr_efi.c b/lib/libefi/rdwr_efi.c index 19a573c0b..147e30a37 100644 --- a/lib/libefi/rdwr_efi.c +++ b/lib/libefi/rdwr_efi.c @@ -506,16 +506,17 @@ int efi_rescan(int fd) { #if defined(__linux__) - int retry = 5; + int retry = 10; int error; /* Notify the kernel a devices partition table has been updated */ while ((error = ioctl(fd, BLKRRPART)) != 0) { - if (--retry == 0) { + if ((--retry == 0) || (errno != EBUSY)) { (void) fprintf(stderr, "the kernel failed to rescan " "the partition table: %d\n", errno); return (-1); } + usleep(50000); } #endif |