rbd: whitelist RBD_FEATURE_OPERATIONS feature bit
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Web: https://git.kernel.org/torvalds/c/e573427a440fd67d3f522357d7ac901d59281948 Commit: e573427a440fd67d3f522357d7ac901d59281948 Parent: d98f153f1a116f79e636edd34b4fec07e49ae9b2 Refname: refs/heads/master Author: Ilya Dryomov <[email protected]> AuthorDate: Tue Jan 16 15:41:54 2018 +0100 Committer: Ilya Dryomov <[email protected]> CommitDate: Mon Jan 29 18:36:03 2018 +0100 rbd: whitelist RBD_FEATURE_OPERATIONS feature bit This feature bit restricts older clients from performing certain maintenance operations against an image (e.g. clone, snap create). krbd does not perform maintenance operations. Cc: [email protected] Signed-off-by: Ilya Dryomov <[email protected]> Reviewed-by: Jason Dillaman <[email protected]> --- drivers/block/rbd.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 4a886d8c4a3c..8e40da093766 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -124,11 +124,13 @@ static int atomic_dec_return_safe(atomic_t *v) #define RBD_FEATURE_STRIPINGV2 (1ULL<<1) #define RBD_FEATURE_EXCLUSIVE_LOCK (1ULL<<2) #define RBD_FEATURE_DATA_POOL (1ULL<<7) +#define RBD_FEATURE_OPERATIONS (1ULL<<8) #define RBD_FEATURES_ALL (RBD_FEATURE_LAYERING | \ RBD_FEATURE_STRIPINGV2 | \ RBD_FEATURE_EXCLUSIVE_LOCK | \ - RBD_FEATURE_DATA_POOL) + RBD_FEATURE_DATA_POOL | \ + RBD_FEATURE_OPERATIONS) /* Features supported by this (client software) implementation. */ -- To unsubscribe from this list: send the line "unsubscribe git-commits-head" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html