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| author | Dan Williams <dan.j.williams@intel.com> | 2008-05-15 16:48:24 +1000 |
|---|---|---|
| committer | Neil Brown <neilb@suse.de> | 2008-05-15 16:48:24 +1000 |
| commit | f352c5452740659f651ff52c657ca95f01bce30a (patch) | |
| tree | 7eaa25a194bd5c6210e8e3457cf8fc96eca35e82 /super-intel.c | |
| parent | cdddbdbca06edfec630f593e97b7195fcbcb69ed (diff) | |
| download | mdadm-f352c5452740659f651ff52c657ca95f01bce30a.tar.gz mdadm-f352c5452740659f651ff52c657ca95f01bce30a.tar.xz mdadm-f352c5452740659f651ff52c657ca95f01bce30a.zip | |
imsm: assemble container support
From: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'super-intel.c')
| -rw-r--r-- | super-intel.c | 57 |
1 files changed, 52 insertions, 5 deletions
diff --git a/super-intel.c b/super-intel.c index 948c6b3..fd1c3dc 100644 --- a/super-intel.c +++ b/super-intel.c @@ -443,7 +443,45 @@ static int update_super_imsm(struct supertype *st, struct mdinfo *info, char *update, char *devname, int verbose, int uuid_set, char *homehost) { - return 0; + /* FIXME */ + + /* For 'assemble' and 'force' we need to return non-zero if any + * change was made. For others, the return value is ignored. + * Update options are: + * force-one : This device looks a bit old but needs to be included, + * update age info appropriately. + * assemble: clear any 'faulty' flag to allow this device to + * be assembled. + * force-array: Array is degraded but being forced, mark it clean + * if that will be needed to assemble it. + * + * newdev: not used ???? + * grow: Array has gained a new device - this is currently for + * linear only + * resync: mark as dirty so a resync will happen. + * name: update the name - preserving the homehost + * + * Following are not relevant for this imsm: + * sparc2.2 : update from old dodgey metadata + * super-minor: change the preferred_minor number + * summaries: update redundant counters. + * uuid: Change the uuid of the array to match watch is given + * homehost: update the recorded homehost + * _reshape_progress: record new reshape_progress position. + */ + int rv = 0; + //struct intel_super *super = st->sb; + //struct imsm_super *mpb = super->mpb; + + if (strcmp(update, "grow") == 0) { + } + if (strcmp(update, "resync") == 0) { + /* dev->vol.dirty = 1; */ + } + + /* IMSM has no concept of UUID or homehost */ + + return rv; } static __u64 avail_size_imsm(struct supertype *st, __u64 size) @@ -904,9 +942,18 @@ static int store_zero_imsm(struct supertype *st, int fd) return 0; } -static void getinfo_super_n_container(struct supertype *st, struct mdinfo *info) +static void getinfo_super_n_imsm_container(struct supertype *st, struct mdinfo *info) { - printf("%s\n", __FUNCTION__); + /* just need offset and size... + * of the metadata?? + */ + struct intel_super *super = st->sb; + struct imsm_super *mpb = super->mpb; + struct imsm_disk *disk = get_imsm_disk(mpb, info->disk.number); + int sect = mpb_sectors(mpb); + + info->data_offset = __le32_to_cpu(disk->total_blocks) - (2 + sect - 1); + info->component_size = sect; } static void getinfo_super_n_raid(struct supertype *st, struct mdinfo *info) @@ -973,7 +1020,7 @@ struct superswitch super_imsm = { .store_super = store_zero_imsm, .free_super = free_super_imsm, .match_metadata_desc = match_metadata_desc_imsm, - .getinfo_super_n = getinfo_super_n_container, + .getinfo_super_n = getinfo_super_n_imsm_container, .validate_geometry = validate_geometry_imsm, .major = 2000, @@ -992,7 +1039,7 @@ struct superswitch super_imsm_container = { .add_to_super = add_to_super_imsm, .write_init_super = write_init_super_imsm, .getinfo_super = getinfo_super_imsm, - .getinfo_super_n = getinfo_super_n_container, + .getinfo_super_n = getinfo_super_n_imsm_container, .load_super = load_super_imsm, #ifndef MDASSEMBLE |