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| author | Tomohiro Misono <misono.tomohiro@jp.fujitsu.com> | 2018-05-16 17:09:26 +0900 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2018-05-28 18:23:39 +0200 |
| commit | 6c52157fa9378efc0ff24c5f2602d500997f59db (patch) | |
| tree | cee575f20efb013b1e501c63c218a84adb20d18c | |
| parent | 6dac13f8e233e50b69df831f6e598a1efb6d3aaa (diff) | |
| download | linux-stable-6c52157fa9378efc0ff24c5f2602d500997f59db.tar.gz linux-stable-6c52157fa9378efc0ff24c5f2602d500997f59db.tar.bz2 linux-stable-6c52157fa9378efc0ff24c5f2602d500997f59db.zip | |
btrfs: sysfs: Use enum/define value for feature array definitions
Use existing named values instead of the raw numbers.
Signed-off-by: Tomohiro Misono <misono.tomohiro@jp.fujitsu.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
| -rw-r--r-- | fs/btrfs/sysfs.c | 11 | ||||
| -rw-r--r-- | fs/btrfs/sysfs.h | 4 |
2 files changed, 8 insertions, 7 deletions
diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c index fa6c8c88b250..217d401fe8ae 100644 --- a/fs/btrfs/sysfs.c +++ b/fs/btrfs/sysfs.c @@ -514,10 +514,11 @@ static inline struct btrfs_fs_info *to_fs_info(struct kobject *kobj) } #define NUM_FEATURE_BITS 64 -static char btrfs_unknown_feature_names[3][NUM_FEATURE_BITS][13]; -static struct btrfs_feature_attr btrfs_feature_attrs[3][NUM_FEATURE_BITS]; +#define BTRFS_FEATURE_NAME_MAX 13 +static char btrfs_unknown_feature_names[FEAT_MAX][NUM_FEATURE_BITS][BTRFS_FEATURE_NAME_MAX]; +static struct btrfs_feature_attr btrfs_feature_attrs[FEAT_MAX][NUM_FEATURE_BITS]; -static const u64 supported_feature_masks[3] = { +static const u64 supported_feature_masks[FEAT_MAX] = { [FEAT_COMPAT] = BTRFS_FEATURE_COMPAT_SUPP, [FEAT_COMPAT_RO] = BTRFS_FEATURE_COMPAT_RO_SUPP, [FEAT_INCOMPAT] = BTRFS_FEATURE_INCOMPAT_SUPP, @@ -609,7 +610,7 @@ void btrfs_sysfs_remove_mounted(struct btrfs_fs_info *fs_info) btrfs_sysfs_rm_device_link(fs_info->fs_devices, NULL); } -const char * const btrfs_feature_set_names[3] = { +const char * const btrfs_feature_set_names[FEAT_MAX] = { [FEAT_COMPAT] = "compat", [FEAT_COMPAT_RO] = "compat_ro", [FEAT_INCOMPAT] = "incompat", @@ -673,7 +674,7 @@ static void init_feature_attrs(void) if (fa->kobj_attr.attr.name) continue; - snprintf(name, 13, "%s:%u", + snprintf(name, BTRFS_FEATURE_NAME_MAX, "%s:%u", btrfs_feature_set_names[set], i); fa->kobj_attr.attr.name = name; diff --git a/fs/btrfs/sysfs.h b/fs/btrfs/sysfs.h index b567560d9aa9..c6ee600aff89 100644 --- a/fs/btrfs/sysfs.h +++ b/fs/btrfs/sysfs.h @@ -9,7 +9,7 @@ extern u64 btrfs_debugfs_test; enum btrfs_feature_set { - FEAT_COMPAT, + FEAT_COMPAT = 0, FEAT_COMPAT_RO, FEAT_INCOMPAT, FEAT_MAX @@ -77,7 +77,7 @@ attr_to_btrfs_feature_attr(struct attribute *attr) } char *btrfs_printable_features(enum btrfs_feature_set set, u64 flags); -extern const char * const btrfs_feature_set_names[3]; +extern const char * const btrfs_feature_set_names[FEAT_MAX]; extern struct kobj_type space_info_ktype; extern struct kobj_type btrfs_raid_ktype; int btrfs_sysfs_add_device_link(struct btrfs_fs_devices *fs_devices, |