diff options
Diffstat (limited to 'fs/ext4/super.c')
| -rw-r--r-- | fs/ext4/super.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 05fcecc36244..39591fb78c1d 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -5297,6 +5297,19 @@ static int __ext4_fill_super(struct fs_context *fc, struct super_block *sb) goto failed_mount3; sbi->s_stripe = ext4_get_stripe_size(sbi); + /* + * It's hard to get stripe aligned blocks if stripe is not aligned with + * cluster, just disable stripe and alert user to simpfy code and avoid + * stripe aligned allocation which will rarely successes. + */ + if (sbi->s_stripe > 0 && sbi->s_cluster_ratio > 1 && + sbi->s_stripe % sbi->s_cluster_ratio != 0) { + ext4_msg(sb, KERN_WARNING, + "stripe (%lu) is not aligned with cluster size (%u), " + "stripe is disabled", + sbi->s_stripe, sbi->s_cluster_ratio); + sbi->s_stripe = 0; + } sbi->s_extent_max_zeroout_kb = 32; /* |