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Diffstat (limited to 'Documentation/block/data-integrity.txt')
| -rw-r--r-- | Documentation/block/data-integrity.txt | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/Documentation/block/data-integrity.txt b/Documentation/block/data-integrity.txt index b4eacf48053c..4d4de8b09530 100644 --- a/Documentation/block/data-integrity.txt +++ b/Documentation/block/data-integrity.txt @@ -129,11 +129,11 @@ interface for this is being worked on. 4.1 BIO The data integrity patches add a new field to struct bio when -CONFIG_BLK_DEV_INTEGRITY is enabled. bio->bi_integrity is a pointer -to a struct bip which contains the bio integrity payload. Essentially -a bip is a trimmed down struct bio which holds a bio_vec containing -the integrity metadata and the required housekeeping information (bvec -pool, vector count, etc.) +CONFIG_BLK_DEV_INTEGRITY is enabled. bio_integrity(bio) returns a +pointer to a struct bip which contains the bio integrity payload. +Essentially a bip is a trimmed down struct bio which holds a bio_vec +containing the integrity metadata and the required housekeeping +information (bvec pool, vector count, etc.) A kernel subsystem can enable data integrity protection on a bio by calling bio_integrity_alloc(bio). This will allocate and attach the |