RepoMirrors/btrfs-progs
1
0
Fork 0
mirror of https://github.com/kdave/btrfs-progs synced 2025-02-13 08:07:06 +00:00
Code Issues Packages Projects Releases Wiki Activity

btrfs-progs: zoned: introduce zoned support for device replace

Browse Source 
This patch checks if the target file system is flagged as ZONED. If it is,
the device to be added is flagged PREP_DEVICE_ZONED.  Also add checks to
prevent mixing non-zoned devices and zoned devices.

Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Naohiro Aota 2021-04-26 15:27:42 +09:00 committed by David Sterba
parent b8b9da2eab
commit 494c2ea467
1 changed files with 12 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
cmds/replace.c
View File

@ -122,12 +122,14 @@ static const char *const cmd_replace_start_usage[] = {
static int cmd_replace_start(const struct cmd_struct *cmd,
int argc, char **argv)
{
struct btrfs_ioctl_feature_flags feature_flags;
struct btrfs_ioctl_dev_replace_args start_args = {0};
struct btrfs_ioctl_dev_replace_args status_args = {0};
int ret;
int i;
int fdmnt = -1;
int fddstdev = -1;
int zoned;
char *path;
char *srcdev;
char *dstdev = NULL;
@ -182,6 +184,14 @@ static int cmd_replace_start(const struct cmd_struct *cmd,
if (fdmnt < 0)
goto leave_with_error;
ret = ioctl(fdmnt, BTRFS_IOC_GET_FEATURES, &feature_flags);
if (ret) {
error("zoned: ioctl(GET_FEATURES) on '%s' returns error: %m",
path);
goto leave_with_error;
}
zoned = (feature_flags.incompat_flags & BTRFS_FEATURE_INCOMPAT_ZONED);
/* check for possible errors before backgrounding */
status_args.cmd = BTRFS_IOCTL_DEV_REPLACE_CMD_STATUS;
status_args.result = BTRFS_IOCTL_DEV_REPLACE_RESULT_NO_RESULT;
@ -286,7 +296,8 @@ static int cmd_replace_start(const struct cmd_struct *cmd,
strncpy((char *)start_args.start.tgtdev_name, dstdev,
BTRFS_DEVICE_PATH_NAME_MAX);
ret = btrfs_prepare_device(fddstdev, dstdev, &dstdev_block_count, 0,
PREP_DEVICE_ZERO_END | PREP_DEVICE_VERBOSE);
PREP_DEVICE_ZERO_END | PREP_DEVICE_VERBOSE |
(zoned ? PREP_DEVICE_ZONED : 0));
if (ret)
goto leave_with_error;