diff options
Diffstat (limited to 'fs/btrfs/sysfs.c')
| -rw-r--r-- | fs/btrfs/sysfs.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c index 9d398f7a36ad..81f52c1f55ce 100644 --- a/fs/btrfs/sysfs.c +++ b/fs/btrfs/sysfs.c @@ -409,13 +409,17 @@ static ssize_t supported_sectorsizes_show(struct kobject *kobj, char *buf) { ssize_t ret = 0; + bool has_output = false; - if (BTRFS_MIN_BLOCKSIZE != SZ_4K && BTRFS_MIN_BLOCKSIZE != PAGE_SIZE) - ret += sysfs_emit_at(buf, ret, "%u ", BTRFS_MIN_BLOCKSIZE); - if (PAGE_SIZE > SZ_4K) - ret += sysfs_emit_at(buf, ret, "%u ", SZ_4K); - ret += sysfs_emit_at(buf, ret, "%lu\n", PAGE_SIZE); - + for (u32 cur = BTRFS_MIN_BLOCKSIZE; cur <= BTRFS_MAX_BLOCKSIZE; cur *= 2) { + if (!btrfs_supported_blocksize(cur)) + continue; + if (has_output) + ret += sysfs_emit_at(buf, ret, " "); + ret += sysfs_emit_at(buf, ret, "%u", cur); + has_output = true; + } + ret += sysfs_emit_at(buf, ret, "\n"); return ret; } BTRFS_ATTR(static_feature, supported_sectorsizes, |