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authorZhao Lei <zhaolei@cn.fujitsu.com>2016-01-12 17:52:13 +0800
committerChris Mason <clm@fb.com>2016-01-20 07:22:18 -0800
commita6111d11b8b5364d02ea2e881c81ce39d004eb32 (patch)
tree0a0aa9c0ee14665dbe0f3d436aaeedb90f6d198a /fs/btrfs/raid56.c
parent748f4ef4c6708e733da077a1980923b9d19db78a (diff)
btrfs: raid56: Use raid_write_end_io for scrub
No need to create additional end_io function for scrub, it increased code size and introduced some un-unified lines, as: raid_write_parity_end_io(): int err = bio->bi_error; if (bio->bi_error) raid_write_end_io(): int err = bio->bi_error; if (err) This patch combines them. Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com> Signed-off-by: Chris Mason <clm@fb.com>
Diffstat (limited to 'fs/btrfs/raid56.c')
-rw-r--r--fs/btrfs/raid56.c32
1 files changed, 5 insertions, 27 deletions
diff --git a/fs/btrfs/raid56.c b/fs/btrfs/raid56.c
index 2bc34e91b62e..55161369fab1 100644
--- a/fs/btrfs/raid56.c
+++ b/fs/btrfs/raid56.c
@@ -901,6 +901,7 @@ static void raid_write_end_io(struct bio *bio)
{
struct btrfs_raid_bio *rbio = bio->bi_private;
int err = bio->bi_error;
+ int max_errors;
if (err)
fail_bio_stripe(rbio, bio);
@@ -913,7 +914,9 @@ static void raid_write_end_io(struct bio *bio)
err = 0;
/* OK, we have read all the stripes we need to. */
- if (atomic_read(&rbio->error) > rbio->bbio->max_errors)
+ max_errors = (rbio->operation == BTRFS_RBIO_PARITY_SCRUB) ?
+ 0 : rbio->bbio->max_errors;
+ if (atomic_read(&rbio->error) > max_errors)
err = -EIO;
rbio_orig_end_io(rbio, err);
@@ -2277,31 +2280,6 @@ static int alloc_rbio_essential_pages(struct btrfs_raid_bio *rbio)
return 0;
}
-/*
- * end io function used by finish_rmw. When we finally
- * get here, we've written a full stripe
- */
-static void raid_write_parity_end_io(struct bio *bio)
-{
- struct btrfs_raid_bio *rbio = bio->bi_private;
- int err = bio->bi_error;
-
- if (bio->bi_error)
- fail_bio_stripe(rbio, bio);
-
- bio_put(bio);
-
- if (!atomic_dec_and_test(&rbio->stripes_pending))
- return;
-
- err = 0;
-
- if (atomic_read(&rbio->error))
- err = -EIO;
-
- rbio_orig_end_io(rbio, err);
-}
-
static noinline void finish_parity_scrub(struct btrfs_raid_bio *rbio,
int need_check)
{
@@ -2454,7 +2432,7 @@ submit_write:
break;
bio->bi_private = rbio;
- bio->bi_end_io = raid_write_parity_end_io;
+ bio->bi_end_io = raid_write_end_io;
submit_bio(WRITE, bio);
}
return;