A cleanup patch, use need_full_stripe() to replace the open code.
Signed-off-by: Anand Jain <anand.jain@xxxxxxxxxx>
---
fs/btrfs/volumes.c | 16 ++++++----------
1 file changed, 6 insertions(+), 10 deletions(-)
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 3b3ba1ecd88b..f5dee43f8f3f 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -5673,10 +5673,10 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info,
if (map->type & BTRFS_BLOCK_GROUP_RAID0) {
stripe_nr = div_u64_rem(stripe_nr, map->num_stripes,
&stripe_index);
- if (op != BTRFS_MAP_WRITE && op != BTRFS_MAP_GET_READ_MIRRORS)
+ if (!need_full_stripe(op))
mirror_num = 1;
} else if (map->type & BTRFS_BLOCK_GROUP_RAID1) {
- if (op == BTRFS_MAP_WRITE || op == BTRFS_MAP_GET_READ_MIRRORS)
+ if (need_full_stripe(op))
num_stripes = map->num_stripes;
else if (mirror_num)
stripe_index = mirror_num - 1;
@@ -5689,7 +5689,7 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info,
}
} else if (map->type & BTRFS_BLOCK_GROUP_DUP) {
- if (op == BTRFS_MAP_WRITE || op == BTRFS_MAP_GET_READ_MIRRORS) {
+ if (need_full_stripe(op)) {
num_stripes = map->num_stripes;
} else if (mirror_num) {
stripe_index = mirror_num - 1;
@@ -5703,7 +5703,7 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info,
stripe_nr = div_u64_rem(stripe_nr, factor, &stripe_index);
stripe_index *= map->sub_stripes;
- if (op == BTRFS_MAP_WRITE || op == BTRFS_MAP_GET_READ_MIRRORS)
+ if (need_full_stripe(op))
num_stripes = map->sub_stripes;
else if (mirror_num)
stripe_index += mirror_num - 1;
@@ -5718,9 +5718,7 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info,
}
} else if (map->type & BTRFS_BLOCK_GROUP_RAID56_MASK) {
- if (need_raid_map &&
- (op == BTRFS_MAP_WRITE || op == BTRFS_MAP_GET_READ_MIRRORS ||
- mirror_num > 1)) {
+ if (need_raid_map && (need_full_stripe(op) || mirror_num > 1)) {
/* push stripe_nr back to the start of the full stripe */
stripe_nr = div64_u64(raid56_full_stripe_start,
stripe_len * nr_data_stripes(map));
@@ -5747,9 +5745,7 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info,
/* We distribute the parity blocks across stripes */
div_u64_rem(stripe_nr + stripe_index, map->num_stripes,
&stripe_index);
- if ((op != BTRFS_MAP_WRITE &&
- op != BTRFS_MAP_GET_READ_MIRRORS) &&
- mirror_num <= 1)
+ if (!need_full_stripe(op) && mirror_num <= 1)
mirror_num = 1;
}
} else {
--
2.13.1
--
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