diff options
| author | Adam Borowski <kilobyte@angband.pl> | 2017-09-15 17:36:59 +0200 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2018-04-05 19:25:35 +0200 |
| commit | e37739baf4015e21148f04725765686362ca1150 (patch) | |
| tree | dbab26134d439cc967671b4a45d2ded240ca843b /fs/btrfs/super.c | |
| parent | 57599c7e7722daf5f8c2dba4b0e4628f5c500771 (diff) | |
| download | linux-next-e37739baf4015e21148f04725765686362ca1150.tar.gz | |
btrfs: allow setting zstd level
Capped at 15 because of currently used encoding, which is also a reasonable
limit because highest levels shine only on blocks much bigger than btrfs'
128KB.
Memory is allocated for the biggest supported level rather than for
what is actually used.
Signed-off-by: Adam Borowski <kilobyte@angband.pl>
[ refresh after changes in previous patch ]
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/super.c')
| -rw-r--r-- | fs/btrfs/super.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index 170baef49fae..fa1420a3f0cf 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -556,9 +556,10 @@ int btrfs_parse_options(struct btrfs_fs_info *info, char *options, btrfs_clear_opt(info->mount_opt, NODATASUM); btrfs_set_fs_incompat(info, COMPRESS_LZO); no_compress = 0; - } else if (strcmp(args[0].from, "zstd") == 0) { + } else if (strncmp(args[0].from, "zstd", 4) == 0) { compress_type = "zstd"; info->compress_type = BTRFS_COMPRESS_ZSTD; + info->compress_level = btrfs_compress_str2level(args[0].from); btrfs_set_opt(info->mount_opt, COMPRESS); btrfs_clear_opt(info->mount_opt, NODATACOW); btrfs_clear_opt(info->mount_opt, NODATASUM); |