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| author | Kent Overstreet <kent.overstreet@gmail.com> | 2018-11-01 15:13:19 -0400 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2023-10-22 17:08:11 -0400 |
| commit | cd575ddf57af004913ff5a994aa5f3203216fa68 (patch) | |
| tree | 15fafb5d59b359aef897a2296f1ce7f8bc33f55a /fs/bcachefs/opts.c | |
| parent | 91f8b5677b5d831cff34b25ef03322ae49e03256 (diff) | |
| download | linux-cd575ddf57af004913ff5a994aa5f3203216fa68.tar.gz linux-cd575ddf57af004913ff5a994aa5f3203216fa68.tar.bz2 linux-cd575ddf57af004913ff5a994aa5f3203216fa68.zip | |
bcachefs: Erasure coding
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'fs/bcachefs/opts.c')
| -rw-r--r-- | fs/bcachefs/opts.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/fs/bcachefs/opts.c b/fs/bcachefs/opts.c index 74e92a196ccd..4d86c4bc4a5f 100644 --- a/fs/bcachefs/opts.c +++ b/fs/bcachefs/opts.c @@ -279,11 +279,37 @@ int bch2_opt_check_may_set(struct bch_fs *c, int id, u64 v) case Opt_background_compression: 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); + } + break; } return ret; } +int bch2_opts_check_may_set(struct bch_fs *c) +{ + unsigned i; + int ret; + + for (i = 0; i < bch2_opts_nr; i++) { + ret = bch2_opt_check_may_set(c, i, + bch2_opt_get_by_id(&c->opts, i)); + if (ret) + return ret; + } + + return 0; +} + int bch2_parse_mount_opts(struct bch_opts *opts, char *options) { char *opt, *name, *val; |