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| author | Martin K. Petersen <martin.petersen@oracle.com> | 2015-10-21 20:19:33 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2015-10-21 23:42:38 +0300 |
| commit | 0f8087ecdeac921fc4920f1328f55c15080bc6aa (patch) | |
| tree | 6027fd7061230f1488f74938b6bebf804be88376 /block/blk-integrity.c | |
| parent | aff34e192e4eeacfb8b5ffc68e10a240f2c0c6d7 (diff) | |
| download | linux-0f8087ecdeac921fc4920f1328f55c15080bc6aa.tar.xz | |
block: Consolidate static integrity profile properties
We previously made a complete copy of a device's data integrity profile
even though several of the fields inside the blk_integrity struct are
pointers to fixed template entries in t10-pi.c.
Split the static and per-device portions so that we can reference the
template directly.
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Reported-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'block/blk-integrity.c')
| -rw-r--r-- | block/blk-integrity.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/block/blk-integrity.c b/block/blk-integrity.c index 182bfd2383ea..daf590ab3b46 100644 --- a/block/blk-integrity.c +++ b/block/blk-integrity.c @@ -176,10 +176,10 @@ int blk_integrity_compare(struct gendisk *gd1, struct gendisk *gd2) return -1; } - if (strcmp(b1->name, b2->name)) { + if (b1->profile != b2->profile) { printk(KERN_ERR "%s: %s/%s type %s != %s\n", __func__, gd1->disk_name, gd2->disk_name, - b1->name, b2->name); + b1->profile->name, b2->profile->name); return -1; } @@ -275,8 +275,8 @@ static ssize_t integrity_attr_store(struct kobject *kobj, static ssize_t integrity_format_show(struct blk_integrity *bi, char *page) { - if (bi != NULL && bi->name != NULL) - return sprintf(page, "%s\n", bi->name); + if (bi != NULL && bi->profile->name != NULL) + return sprintf(page, "%s\n", bi->profile->name); else return sprintf(page, "none\n"); } @@ -401,7 +401,8 @@ bool blk_integrity_is_initialized(struct gendisk *disk) { struct blk_integrity *bi = blk_get_integrity(disk); - return (bi && bi->name && strcmp(bi->name, bi_unsupported_name) != 0); + return (bi && bi->profile->name && strcmp(bi->profile->name, + bi_unsupported_name) != 0); } EXPORT_SYMBOL(blk_integrity_is_initialized); @@ -446,14 +447,12 @@ int blk_integrity_register(struct gendisk *disk, struct blk_integrity *template) /* Use the provided profile as template */ if (template != NULL) { - bi->name = template->name; - bi->generate_fn = template->generate_fn; - bi->verify_fn = template->verify_fn; + bi->profile = template->profile; bi->tuple_size = template->tuple_size; bi->tag_size = template->tag_size; bi->flags |= template->flags; } else - bi->name = bi_unsupported_name; + bi->profile->name = bi_unsupported_name; disk->queue->backing_dev_info.capabilities |= BDI_CAP_STABLE_WRITES; |