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FreeBSD: fallback to /boot/ to look for zpool.cache

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Up until now zpool.cache has always lived in /boot on FreeBSD.
For the sake of compatibility fallback to /boot if zpool.cache
isn't found in /etc/zfs.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Matt Macy <mmacy@FreeBSD.org>
Closes #10720
This commit is contained in:
Matthew Macy 2020-08-17 14:43:47 -07:00 committed by GitHub
parent 9352d8c004
commit 5f1984f2f8
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2 changed files with 5 additions and 1 deletions
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2
include/sys/fs/zfs.h
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@ -829,8 +829,8 @@ typedef struct zpool_load_policy {
* The location of the pool configuration repository, shared between kernel and * The location of the pool configuration repository, shared between kernel and
* userland. * userland.
*/ */
#define ZPOOL_CACHE_BOOT "/boot/zfs/zpool.cache"
#define ZPOOL_CACHE "/etc/zfs/zpool.cache" #define ZPOOL_CACHE "/etc/zfs/zpool.cache"
/* /*
* vdev states are ordered from least to most healthy. * vdev states are ordered from least to most healthy.
* A vdev that's CANT_OPEN or below is considered unusable. * A vdev that's CANT_OPEN or below is considered unusable.

4
module/zfs/spa_config.c
View File

@ -100,6 +100,10 @@ spa_config_load(void)
err = zfs_file_open(pathname, O_RDONLY, 0, &fp); err = zfs_file_open(pathname, O_RDONLY, 0, &fp);
#ifdef __FreeBSD__
if (err)
err = zfs_file_open(ZPOOL_CACHE_BOOT, O_RDONLY, 0, &fp);
#endif
kmem_free(pathname, MAXPATHLEN); kmem_free(pathname, MAXPATHLEN);
if (err) if (err)