diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/ext4/ioctl.c | 2 | ||||
| -rw-r--r-- | fs/ext4/mballoc.c | 8 |
2 files changed, 8 insertions, 2 deletions
diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c index 84f8d07302ef..a224d6efb5a6 100644 --- a/fs/ext4/ioctl.c +++ b/fs/ext4/ioctl.c @@ -610,8 +610,6 @@ resizefs_out: sizeof(range))) return -EFAULT; - range.minlen = max((unsigned int)range.minlen, - q->limits.discard_granularity); ret = ext4_trim_fs(sb, &range); if (ret < 0) return ret; diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index ac87f7e5d6a4..c7be47ed7114 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -5223,6 +5223,7 @@ out: */ int ext4_trim_fs(struct super_block *sb, struct fstrim_range *range) { + struct request_queue *q = bdev_get_queue(sb->s_bdev); struct ext4_group_info *grp; ext4_group_t group, first_group, last_group; ext4_grpblk_t cnt = 0, first_cluster, last_cluster; @@ -5241,6 +5242,13 @@ int ext4_trim_fs(struct super_block *sb, struct fstrim_range *range) start >= max_blks || range->len < sb->s_blocksize) return -EINVAL; + /* No point to try to trim less than discard granularity */ + if (range->minlen < q->limits.discard_granularity) { + minlen = EXT4_NUM_B2C(EXT4_SB(sb), + q->limits.discard_granularity >> sb->s_blocksize_bits); + if (minlen > EXT4_CLUSTERS_PER_GROUP(sb)) + goto out; + } if (end >= max_blks) end = max_blks - 1; if (end <= first_data_blk) |