From d3fac6ba7dccc54f52087bb9d7b9be27aa6fa622 Mon Sep 17 00:00:00 2001
From: Nikolay Borisov <nborisov@suse.com>
Date: Tue, 24 Oct 2017 11:50:39 +0300
Patch-mainline: v4.16
Git-commit: d3fac6ba7dccc54f52087bb9d7b9be27aa6fa622
References: bsc#1168273
Subject: [PATCH] btrfs: Remove redundant mirror_num arg
The following callpath is always invoked with mirror_num set to 0, so
let's remove it as an argument and directly pass 0 to __do_redpage. No
functional change.
extent_readpages
__extent_readpages
__do_contiguous_readpages
__do_readpage
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
---
fs/btrfs/extent_io.c | 16 +++++++---------
1 file changed, 7 insertions(+), 9 deletions(-)
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 012d63870b99..c6e82a3e706d 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -3094,7 +3094,7 @@ static inline void __do_contiguous_readpages(struct extent_io_tree *tree,
u64 start, u64 end,
get_extent_t *get_extent,
struct extent_map **em_cached,
- struct bio **bio, int mirror_num,
+ struct bio **bio,
unsigned long *bio_flags,
u64 *prev_em_start)
{
@@ -3116,7 +3116,7 @@ static inline void __do_contiguous_readpages(struct extent_io_tree *tree,
for (index = 0; index < nr_pages; index++) {
__do_readpage(tree, pages[index], get_extent, em_cached, bio,
- mirror_num, bio_flags, 0, prev_em_start);
+ 0, bio_flags, 0, prev_em_start);
put_page(pages[index]);
}
}
@@ -3125,8 +3125,7 @@ static void __extent_readpages(struct extent_io_tree *tree,
struct page *pages[],
int nr_pages, get_extent_t *get_extent,
struct extent_map **em_cached,
- struct bio **bio, int mirror_num,
- unsigned long *bio_flags,
+ struct bio **bio, unsigned long *bio_flags,
u64 *prev_em_start)
{
u64 start = 0;
@@ -3147,7 +3146,7 @@ static void __extent_readpages(struct extent_io_tree *tree,
__do_contiguous_readpages(tree, &pages[first_index],
index - first_index, start,
end, get_extent, em_cached,
- bio, mirror_num, bio_flags,
+ bio, bio_flags,
prev_em_start);
start = page_start;
end = start + PAGE_SIZE - 1;
@@ -3159,8 +3158,7 @@ static void __extent_readpages(struct extent_io_tree *tree,
__do_contiguous_readpages(tree, &pages[first_index],
index - first_index, start,
end, get_extent, em_cached, bio,
- mirror_num, bio_flags,
- prev_em_start);
+ bio_flags, prev_em_start);
}
static int __extent_read_full_page(struct extent_io_tree *tree,
@@ -4171,12 +4169,12 @@ int extent_readpages(struct extent_io_tree *tree,
if (nr < ARRAY_SIZE(pagepool))
continue;
__extent_readpages(tree, pagepool, nr, get_extent, &em_cached,
- &bio, 0, &bio_flags, &prev_em_start);
+ &bio, &bio_flags, &prev_em_start);
nr = 0;
}
if (nr)
__extent_readpages(tree, pagepool, nr, get_extent, &em_cached,
- &bio, 0, &bio_flags, &prev_em_start);
+ &bio, &bio_flags, &prev_em_start);
if (em_cached)
free_extent_map(em_cached);
--
2.26.0