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btrfs: uapi/linux/btrfs.h migration, qgroup limit flags

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The BTRFS_QGROUP_LIMIT_* flags are required to tell the kernel which
fields are valid when using the BTRFS_IOC_QGROUP_LIMIT ioctl.

Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Reviewed-by: Liu Bo <bo.li.liu@oracle.com>
Reviewed-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Jeff Mahoney 2016-04-01 16:14:24 -04:00 • committed by David Sterba
parent d4ae133b2d
commit 83288b60bf
2 changed files with 21 additions and 9 deletions
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8
fs/btrfs/ctree.h
View file

@ -1154,14 +1154,6 @@ struct btrfs_qgroup_info_item {
__le64 excl_cmpr; __le64 excl_cmpr;
} __attribute__ ((__packed__)); } __attribute__ ((__packed__));
/* flags definition for qgroup limits */
#define BTRFS_QGROUP_LIMIT_MAX_RFER (1ULL << 0)
#define BTRFS_QGROUP_LIMIT_MAX_EXCL (1ULL << 1)
#define BTRFS_QGROUP_LIMIT_RSV_RFER (1ULL << 2)
#define BTRFS_QGROUP_LIMIT_RSV_EXCL (1ULL << 3)
#define BTRFS_QGROUP_LIMIT_RFER_CMPR (1ULL << 4)
#define BTRFS_QGROUP_LIMIT_EXCL_CMPR (1ULL << 5)
struct btrfs_qgroup_limit_item { struct btrfs_qgroup_limit_item {
/* /*
* only updated when any of the other values change * only updated when any of the other values change

22
include/uapi/linux/btrfs.h
View file

@ -41,7 +41,19 @@ struct btrfs_ioctl_vol_args {
#define BTRFS_UUID_SIZE 16 #define BTRFS_UUID_SIZE 16
#define BTRFS_UUID_UNPARSED_SIZE 37 #define BTRFS_UUID_UNPARSED_SIZE 37
#define BTRFS_QGROUP_INHERIT_SET_LIMITS (1ULL << 0) /*
* flags definition for qgroup limits
*
* Used by:
* struct btrfs_qgroup_limit.flags
* struct btrfs_qgroup_limit_item.flags
*/
#define BTRFS_QGROUP_LIMIT_MAX_RFER (1ULL << 0)
#define BTRFS_QGROUP_LIMIT_MAX_EXCL (1ULL << 1)
#define BTRFS_QGROUP_LIMIT_RSV_RFER (1ULL << 2)
#define BTRFS_QGROUP_LIMIT_RSV_EXCL (1ULL << 3)
#define BTRFS_QGROUP_LIMIT_RFER_CMPR (1ULL << 4)
#define BTRFS_QGROUP_LIMIT_EXCL_CMPR (1ULL << 5)
struct btrfs_qgroup_limit { struct btrfs_qgroup_limit {
__u64 flags; __u64 flags;
@ -51,6 +63,14 @@ struct btrfs_qgroup_limit {
__u64 rsv_excl; __u64 rsv_excl;
}; };
/*
* flags definition for qgroup inheritance
*
* Used by:
* struct btrfs_qgroup_inherit.flags
*/
#define BTRFS_QGROUP_INHERIT_SET_LIMITS (1ULL << 0)
struct btrfs_qgroup_inherit { struct btrfs_qgroup_inherit {
__u64 flags; __u64 flags;
__u64 num_qgroups; __u64 num_qgroups;