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author | Dan Williams <dan.j.williams@intel.com> | 2009-12-21 12:51:57 -0700 |
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committer | Dan Williams <dan.j.williams@intel.com> | 2009-12-21 12:51:57 -0700 |
commit | 2904b26f059c5d82d9d631c9987e92e3f9af498c (patch) | |
tree | e7ced4314c1620a7a329f5caf8859434ad0e9337 /sysfs.c | |
parent | d23534e4646313a67296b295666d165a87bb2c92 (diff) | |
download | mdadm-2904b26f059c5d82d9d631c9987e92e3f9af498c.tar.gz mdadm-2904b26f059c5d82d9d631c9987e92e3f9af498c.tar.xz mdadm-2904b26f059c5d82d9d631c9987e92e3f9af498c.zip |
Support external metadata recovery-resume
Minimal changes needed to permit reassembling partially recovered
external metadata arrays. The biggest logical change is that
->container_content() can now surface partially rebuilt members rather
than omitting them from the disk list.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'sysfs.c')
-rw-r--r-- | sysfs.c | 11 |
1 files changed, 10 insertions, 1 deletions
@@ -572,7 +572,7 @@ int sysfs_set_array(struct mdinfo *info, int vers) return rv; } -int sysfs_add_disk(struct mdinfo *sra, struct mdinfo *sd) +int sysfs_add_disk(struct mdinfo *sra, struct mdinfo *sd, int resume) { char dv[100]; char nm[100]; @@ -595,6 +595,13 @@ int sysfs_add_disk(struct mdinfo *sra, struct mdinfo *sd) strcpy(sd->sys_name, "dev-"); strcpy(sd->sys_name+4, dname); + /* test write to see if 'recovery_start' is available */ + if (resume && sd->recovery_start < MaxSector && + sysfs_set_num(sra, sd, "recovery_start", 0)) { + sysfs_set_str(sra, sd, "state", "remove"); + return -1; + } + rv = sysfs_set_num(sra, sd, "offset", sd->data_offset); rv |= sysfs_set_num(sra, sd, "size", (sd->component_size+1) / 2); if (sra->array.level != LEVEL_CONTAINER) { @@ -604,6 +611,8 @@ int sysfs_add_disk(struct mdinfo *sra, struct mdinfo *sd) */ sysfs_set_str(sra, sd, "state", "insync"); rv |= sysfs_set_num(sra, sd, "slot", sd->disk.raid_disk); + if (resume) + sysfs_set_num(sra, sd, "recovery_start", sd->recovery_start); } return rv; } |