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| author |   Jakub Kicinski <kuba@kernel.org> | 2021-02-02 14:21:31 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2021-02-02 14:21:31 -0800 |
| commit | d1e1355aefcc0cbda750a8931e93e1e04a5b0b6a (patch) | |
| tree | f43b81751cb5c5736268057ecdbcdb99dd00e826 /drivers/md/bcache/features.h | |
| parent | Merge branch 'rework-the-memory-barrier-for-scrq-entry' (diff) | |
| parent | Merge tag 'clang-format-for-linux-v5.11-rc7' of git://github.com/ojeda/linux (diff) | |
| download | wireguard-linux-d1e1355aefcc0cbda750a8931e93e1e04a5b0b6a.tar.xz wireguard-linux-d1e1355aefcc0cbda750a8931e93e1e04a5b0b6a.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/md/bcache/features.h')
| -rw-r--r-- | drivers/md/bcache/features.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/md/bcache/features.h b/drivers/md/bcache/features.h index 84fc2c0f0101..d1c8fd3977fc 100644 --- a/drivers/md/bcache/features.h +++ b/drivers/md/bcache/features.h @@ -33,6 +33,8 @@ #define BCH_FEATURE_COMPAT_FUNCS(name, flagname) \ static inline int bch_has_feature_##name(struct cache_sb *sb) \ { \ + if (sb->version < BCACHE_SB_VERSION_CDEV_WITH_FEATURES) \ + return 0; \ return (((sb)->feature_compat & \ BCH##_FEATURE_COMPAT_##flagname) != 0); \ } \ @@ -50,6 +52,8 @@ static inline void bch_clear_feature_##name(struct cache_sb *sb) \ #define BCH_FEATURE_RO_COMPAT_FUNCS(name, flagname) \ static inline int bch_has_feature_##name(struct cache_sb *sb) \ { \ + if (sb->version < BCACHE_SB_VERSION_CDEV_WITH_FEATURES) \ + return 0; \ return (((sb)->feature_ro_compat & \ BCH##_FEATURE_RO_COMPAT_##flagname) != 0); \ } \ @@ -67,6 +71,8 @@ static inline void bch_clear_feature_##name(struct cache_sb *sb) \ #define BCH_FEATURE_INCOMPAT_FUNCS(name, flagname) \ static inline int bch_has_feature_##name(struct cache_sb *sb) \ { \ + if (sb->version < BCACHE_SB_VERSION_CDEV_WITH_FEATURES) \ + return 0; \ return (((sb)->feature_incompat & \ BCH##_FEATURE_INCOMPAT_##flagname) != 0); \ } \ |