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btrfs: remove redundant parameter from btree_readahead_hook 

We can read fs_info from eb.

Reviewed-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>
hifive-unleashed-5.1
David Sterba 2017-03-02 19:43:30 +01:00
parent 7ef70b4d99
commit d48d71aa99
3 changed files with 5 additions and 6 deletions
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3
fs/btrfs/ctree.h
View File

@ -3672,8 +3672,7 @@ struct reada_control *btrfs_reada_add(struct btrfs_root *root,
struct btrfs_key *start, struct btrfs_key *end);
int btrfs_reada_wait(void *handle);
void btrfs_reada_detach(void *handle);
int btree_readahead_hook(struct btrfs_fs_info *fs_info,
struct extent_buffer *eb, int err);
int btree_readahead_hook(struct extent_buffer *eb, int err);
static inline int is_fstree(u64 rootid)
{

4
fs/btrfs/disk-io.c
View File

@ -762,7 +762,7 @@ static int btree_readpage_end_io_hook(struct btrfs_io_bio *io_bio,
err:
if (reads_done &&
test_and_clear_bit(EXTENT_BUFFER_READAHEAD, &eb->bflags))
btree_readahead_hook(fs_info, eb, ret);
btree_readahead_hook(eb, ret);
if (ret) {
/*
@ -787,7 +787,7 @@ static int btree_io_failed_hook(struct page *page, int failed_mirror)
eb->read_mirror = failed_mirror;
atomic_dec(&eb->io_pages);
if (test_and_clear_bit(EXTENT_BUFFER_READAHEAD, &eb->bflags))
btree_readahead_hook(eb->fs_info, eb, -EIO);
btree_readahead_hook(eb, -EIO);
return -EIO; /* we fixed nothing */
}

4
fs/btrfs/reada.c
View File

@ -209,9 +209,9 @@ cleanup:
return;
}
int btree_readahead_hook(struct btrfs_fs_info *fs_info,
struct extent_buffer *eb, int err)
int btree_readahead_hook(struct extent_buffer *eb, int err)
{
struct btrfs_fs_info *fs_info = eb->fs_info;
int ret = 0;
struct reada_extent *re;