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Btrfs: Cleanup unused variant and argument of IO failure handlers 

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>
This commit is contained in:
Miao Xie 2014-09-12 18:43:58 +08:00 коммит произвёл Chris Mason
Родитель 6c387ab20d
Коммит 454ff3de42
1 изменённых файлов: 10 добавлений и 16 удалений
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26
fs/btrfs/extent_io.c
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@ -1981,8 +1981,7 @@ struct io_failure_record {
int in_validation;
};
static int free_io_failure(struct inode *inode, struct io_failure_record *rec,
int did_repair)
static int free_io_failure(struct inode *inode, struct io_failure_record *rec)
{
int ret;
int err = 0;
@ -2109,7 +2108,6 @@ static int clean_io_failure(u64 start, struct page *page)
struct btrfs_fs_info *fs_info = BTRFS_I(inode)->root->fs_info;
struct extent_state *state;
int num_copies;
int did_repair = 0;
int ret;
private = 0;
@ -2130,7 +2128,6 @@ static int clean_io_failure(u64 start, struct page *page)
/* there was no real error, just free the record */
pr_debug("clean_io_failure: freeing dummy error at %llu\n",
failrec->start);
did_repair = 1;
goto out;
}
if (fs_info->sb->s_flags & MS_RDONLY)
@ -2147,19 +2144,16 @@ static int clean_io_failure(u64 start, struct page *page)
num_copies = btrfs_num_copies(fs_info, failrec->logical,
failrec->len);
if (num_copies > 1) {
ret = repair_io_failure(fs_info, start, failrec->len,
failrec->logical, page,
failrec->failed_mirror);
did_repair = !ret;
repair_io_failure(fs_info, start, failrec->len,
failrec->logical, page,
failrec->failed_mirror);
}
ret = 0;
}
out:
if (!ret)
ret = free_io_failure(inode, failrec, did_repair);
free_io_failure(inode, failrec);
return ret;
return 0;
}
/*
@ -2269,7 +2263,7 @@ static int bio_readpage_error(struct bio *failed_bio, u64 phy_offset,
*/
pr_debug("bio_readpage_error: cannot repair, num_copies=%d, next_mirror %d, failed_mirror %d\n",
num_copies, failrec->this_mirror, failed_mirror);
free_io_failure(inode, failrec, 0);
free_io_failure(inode, failrec);
return -EIO;
}
@ -2312,13 +2306,13 @@ static int bio_readpage_error(struct bio *failed_bio, u64 phy_offset,
if (failrec->this_mirror > num_copies) {
pr_debug("bio_readpage_error: (fail) num_copies=%d, next_mirror %d, failed_mirror %d\n",
num_copies, failrec->this_mirror, failed_mirror);
free_io_failure(inode, failrec, 0);
free_io_failure(inode, failrec);
return -EIO;
}
bio = btrfs_io_bio_alloc(GFP_NOFS, 1);
if (!bio) {
free_io_failure(inode, failrec, 0);
free_io_failure(inode, failrec);
return -EIO;
}
bio->bi_end_io = failed_bio->bi_end_io;
@ -2349,7 +2343,7 @@ static int bio_readpage_error(struct bio *failed_bio, u64 phy_offset,
failrec->this_mirror,
failrec->bio_flags, 0);
if (ret) {
free_io_failure(inode, failrec, 0);
free_io_failure(inode, failrec);
bio_put(bio);
}