diff options
Diffstat (limited to 'fs/btrfs/compression.c')
| -rw-r--r-- | fs/btrfs/compression.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c index 1fe154e7cc02..e7f8ee5d48a4 100644 --- a/fs/btrfs/compression.c +++ b/fs/btrfs/compression.c @@ -980,6 +980,16 @@ static int btrfs_compress_set_level(unsigned int type, int level) return level; } +/* + * Check whether the @level is within the valid range for the given type. + */ +bool btrfs_compress_level_valid(unsigned int type, int level) +{ + const struct btrfs_compress_op *ops = btrfs_compress_op[type]; + + return ops->min_level <= level && level <= ops->max_level; +} + /* Wrapper around find_get_page(), with extra error message. */ int btrfs_compress_filemap_get_folio(struct address_space *mapping, u64 start, struct folio **in_folio_ret) |