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zpool import should honor overlay property

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Make the 'zpool import' command honor the overlay property to allow
filesystems to be mounted on a non-empty directory. As it stands now
this property is only checked by the 'zfs mount' command.  Move the
check into 'zfs_mount()` in libzpool so the property is honored for all
callers.

Signed-off-by: Ned Bass <bass6@llnl.gov>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #3227
This commit is contained in:
Ned Bass
2015-03-26 12:10:26 -07:00
committed by Brian Behlendorf
parent 95a6990d9a
commit 9540be9b23
2 changed files with 14 additions and 14 deletions
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cmd/zfs/zfs_main.c
-14
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@@ -5641,7 +5641,6 @@ share_mount_one(zfs_handle_t *zhp, int op, int flags, char *protocol,
char mountpoint[ZFS_MAXPROPLEN];
char shareopts[ZFS_MAXPROPLEN];
char smbshareopts[ZFS_MAXPROPLEN];
char overlay[ZFS_MAXPROPLEN];
const char *cmdname = op == OP_SHARE ? "share" : "mount";
struct mnttab mnt;
uint64_t zoned, canmount;
@@ -5748,19 +5747,6 @@ share_mount_one(zfs_handle_t *zhp, int op, int flags, char *protocol,
return (0);
}
/*
* Overlay mounts are disabled by default but may be enabled
* via the 'overlay' property or the 'zfs mount -O' option.
*/
if (!(flags & MS_OVERLAY)) {
if (zfs_prop_get(zhp, ZFS_PROP_OVERLAY, overlay,
sizeof (overlay), NULL, NULL, 0, B_FALSE) == 0) {
if (strcmp(overlay, "on") == 0) {
flags |= MS_OVERLAY;
}
}
}
/*
* At this point, we have verified that the mountpoint and/or
* shareopts are appropriate for auto management. If the