diff options
author | Wang Shilong <wangsl-fnst@cn.fujitsu.com> | 2013-10-07 15:21:42 +0800 |
---|---|---|
committer | Chris Mason <chris.mason@fusionio.com> | 2013-10-16 08:23:12 -0400 |
commit | 737a373638329138caa4fbd45299a8f4bab7925e (patch) | |
tree | 3187bbbe6b3b7985c42ec9ac97ddc30a689b9379 /qgroup.h | |
parent | ae26ff16f85aa6604a8b0d4c7065a3b02c1c78d1 (diff) |
Btrfs-progs: list all qgroups impact given path(include ancestral qgroups)
This patch introduces '-F' option which can help you filter the qgroups
by the path name, you may use it like:
btrfs qgroup show -F <path>
For example:
qgroupid(2/0)
/ \
/ \
qgroupid(1/0)
/ \
/ \
/ \
qgroupid(0/1) qgroupid(0/2)
sub1 sub2
/ \
/ \
dir1 file1
If we use the command:
btrfs qgroup show -F sub1/dir1
The result will output
0/1 -- --
1/0 -- --
2/0 -- --
'-F' option help you list all qgroups impact given path.
(include ancestral qgroups).
Signed-off-by: Wang Shilong <wangsl-fnst@cn.fujitsu.com>
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
Diffstat (limited to 'qgroup.h')
-rw-r--r-- | qgroup.h | 28 |
1 files changed, 26 insertions, 2 deletions
@@ -22,6 +22,21 @@ #include "ioctl.h" #include "kerncompat.h" +struct btrfs_qgroup; + +typedef int (*btrfs_qgroup_filter_func)(struct btrfs_qgroup *, u64); + +struct btrfs_qgroup_filter { + btrfs_qgroup_filter_func filter_func; + u64 data; +}; + +struct btrfs_qgroup_filter_set { + int total; + int nfilters; + struct btrfs_qgroup_filter filters[0]; +}; + enum btrfs_qgroup_column_enum { BTRFS_QGROUP_QGROUPID, BTRFS_QGROUP_RFER, @@ -33,9 +48,18 @@ enum btrfs_qgroup_column_enum { BTRFS_QGROUP_ALL, }; -int btrfs_show_qgroups(int fd); -void btrfs_qgroup_setup_print_column(enum btrfs_qgroup_column_enum column); +enum btrfs_qgroup_filter_enum { + BTRFS_QGROUP_FILTER_ALL_PARENT, + BTRFS_QGROUP_FILTER_MAX, +}; +u64 btrfs_get_path_rootid(int fd); +int btrfs_show_qgroups(int fd, struct btrfs_qgroup_filter_set *); +void btrfs_qgroup_setup_print_column(enum btrfs_qgroup_column_enum column); +struct btrfs_qgroup_filter_set *btrfs_qgroup_alloc_filter_set(void); +void btrfs_qgroup_free_filter_set(struct btrfs_qgroup_filter_set *filter_set); +int btrfs_qgroup_setup_filter(struct btrfs_qgroup_filter_set **filter_set, + enum btrfs_qgroup_filter_enum, u64 data); u64 parse_qgroupid(char *p); int qgroup_inherit_size(struct btrfs_qgroup_inherit *p); int qgroup_inherit_add_group(struct btrfs_qgroup_inherit **inherit, char *arg); |