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| author | Alexey Obitotskiy <aleksey.obitotskiy@intel.com> | 2017-05-09 12:25:46 +0200 |
|---|---|---|
| committer | Jes Sorensen <jsorensen@fb.com> | 2017-05-09 14:18:36 -0400 |
| commit | fbfdcb06dc5b1dcb227b0394f174faa2df734700 (patch) | |
| tree | f7c3a01306d65df5eed6b797356704e37824ae94 /mdadm.h | |
| parent | f2cc4f7d829e1b849e78bdf6c38b7bd6e234c600 (diff) | |
| download | mdadm-fbfdcb06dc5b1dcb227b0394f174faa2df734700.tar.gz | |
Allow more spare selection criteria
Disks can be moved across containers in order to be used as a spare
drive for reubild. At the moment the only requirement checked for such
disk is its size (if it matches donor expectations). In order to
introduce more criteria rename corresponding superswitch method to more
generic name and move function parameter to a structure. This change is
a big edit but it doesn't introduce any changes in code logic, it just
updates function naming and parameters.
Signed-off-by: Alexey Obitotskiy <aleksey.obitotskiy@intel.com>
Signed-off-by: Tomasz Majchrzak <tomasz.majchrzak@intel.com>
Signed-off-by: Jes Sorensen <jsorensen@fb.com>
Diffstat (limited to 'mdadm.h')
| -rw-r--r-- | mdadm.h | 16 |
1 files changed, 11 insertions, 5 deletions
@@ -361,6 +361,10 @@ struct createinfo { struct supertype *supertype; }; +struct spare_criteria { + unsigned long long min_size; +}; + enum mode { ASSEMBLE=1, BUILD, @@ -940,11 +944,13 @@ extern struct superswitch { */ __u64 (*avail_size)(struct supertype *st, __u64 size, unsigned long long data_offset); - /* This is similar to 'avail_size' in purpose, but is used for - * containers for which there is no 'component size' to compare. - * This reports that whole-device size which is a minimum + /* + * Return spare criteria for array: + * - minimum disk size can be used in array; + * Return values: 0 - for success and -EINVAL on error. */ - unsigned long long (*min_acceptable_spare_size)(struct supertype *st); + int (*get_spare_criteria)(struct supertype *st, + struct spare_criteria *sc); /* Find somewhere to put a bitmap - possibly auto-size it - and * update the metadata to record this. The array may be newly * created, in which case data_size may be updated, or it might @@ -1507,7 +1513,7 @@ extern int assemble_container_content(struct supertype *st, int mdfd, #define INCR_ALREADY 4 #define INCR_YES 8 extern struct mdinfo *container_choose_spares(struct supertype *st, - unsigned long long min_size, + struct spare_criteria *criteria, struct domainlist *domlist, char *spare_group, const char *metadata, int get_one); |