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bcachefs: bch2_check_set_feature()

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New helper function for setting incompatible feature bits

Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2019-11-29 13:47:42 -05:00 committed by Kent Overstreet
parent 9ba68f6cdc
commit ba239c954e
6 changed files with 23 additions and 45 deletions
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2
fs/bcachefs/io.c
View File

@ -1141,6 +1141,8 @@ static void bch2_write_data_inline(struct bch_write_op *op, unsigned data_len)
unsigned sectors;
int ret;
bch2_check_set_feature(op->c, BCH_FEATURE_INLINE_DATA);
ret = bch2_keylist_realloc(&op->insert_keys, op->inline_keys,
ARRAY_SIZE(op->inline_keys),
BKEY_U64s + DIV_ROUND_UP(data_len, 8));

11
fs/bcachefs/opts.c
View File

@ -299,15 +299,8 @@ int bch2_opt_check_may_set(struct bch_fs *c, int id, u64 v)
ret = bch2_check_set_has_compressed_data(c, v);
break;
case Opt_erasure_code:
if (v &&
!(c->sb.features & (1ULL << BCH_FEATURE_EC))) {
mutex_lock(&c->sb_lock);
c->disk_sb.sb->features[0] |=
cpu_to_le64(1ULL << BCH_FEATURE_EC);
bch2_write_super(c);
mutex_unlock(&c->sb_lock);
}
if (v)
bch2_check_set_feature(c, BCH_FEATURE_EC);
break;
}

6
fs/bcachefs/recovery.c
View File

@ -913,12 +913,6 @@ int bch2_fs_recovery(struct bch_fs *c)
write_sb = true;
}
if (!(c->sb.features & (1ULL << BCH_FEATURE_INLINE_DATA))) {
c->disk_sb.sb->features[0] |=
cpu_to_le64(1ULL << BCH_FEATURE_INLINE_DATA);
write_sb = true;
}
if (!test_bit(BCH_FS_ERROR, &c->flags)) {
c->disk_sb.sb->compat[0] |= 1ULL << BCH_COMPAT_FEAT_ALLOC_INFO;
write_sb = true;

11
fs/bcachefs/reflink.c
View File

@ -171,16 +171,7 @@ s64 bch2_remap_range(struct bch_fs *c,
if (!percpu_ref_tryget(&c->writes))
return -EROFS;
if (!(c->sb.features & (1ULL << BCH_FEATURE_REFLINK))) {
mutex_lock(&c->sb_lock);
if (!(c->sb.features & (1ULL << BCH_FEATURE_REFLINK))) {
c->disk_sb.sb->features[0] |=
cpu_to_le64(1ULL << BCH_FEATURE_REFLINK);
bch2_write_super(c);
}
mutex_unlock(&c->sb_lock);
}
bch2_check_set_feature(c, BCH_FEATURE_REFLINK);
dst_end.offset += remap_sectors;
src_end.offset += remap_sectors;

11
fs/bcachefs/super-io.c
View File

@ -795,6 +795,17 @@ out:
return ret;
}
void __bch2_check_set_feature(struct bch_fs *c, unsigned feat)
{
mutex_lock(&c->sb_lock);
if (!(c->sb.features & (1ULL << feat))) {
c->disk_sb.sb->features[0] |= cpu_to_le64(1ULL << feat);
bch2_write_super(c);
}
mutex_unlock(&c->sb_lock);
}
/* BCH_SB_FIELD_journal: */
static int u64_cmp(const void *_l, const void *_r)

27
fs/bcachefs/super-io.h
View File

@ -43,26 +43,6 @@ struct bch_sb_field_ops {
struct bch_sb_field *);
};
static inline bool bch2_sb_test_feature(struct bch_sb *sb,
enum bch_sb_features f)
{
unsigned w = f / 64;
unsigned b = f % 64;
return le64_to_cpu(sb->features[w]) & (1ULL << b);
}
static inline void bch2_sb_set_feature(struct bch_sb *sb,
enum bch_sb_features f)
{
if (!bch2_sb_test_feature(sb, f)) {
unsigned w = f / 64;
unsigned b = f % 64;
le64_add_cpu(&sb->features[w], 1ULL << b);
}
}
static inline __le64 bch2_sb_magic(struct bch_fs *c)
{
__le64 ret;
@ -90,6 +70,13 @@ const char *bch2_sb_validate(struct bch_sb_handle *);
int bch2_read_super(const char *, struct bch_opts *, struct bch_sb_handle *);
int bch2_write_super(struct bch_fs *);
void __bch2_check_set_feature(struct bch_fs *, unsigned);
static inline void bch2_check_set_feature(struct bch_fs *c, unsigned feat)
{
if (!(c->sb.features & (1ULL << feat)))
__bch2_check_set_feature(c, feat);
}
/* BCH_SB_FIELD_journal: */