Merge branch 'for-3.14/core' of git://git.kernel.dk/linux-block

[~andy/linux] / fs / btrfs / inode.c

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 514b291b135405dd1fbd21f9a8e4edc1b161f5af..d546d8c3038baa4451aa2f338a0c24592a3ea48f 100644 (file)
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -1577,7 +1577,7 @@ int btrfs_merge_bio_hook(int rw, struct page *page, unsigned long offset,
                         unsigned long bio_flags)
 {
        struct btrfs_root *root = BTRFS_I(page->mapping->host)->root;
-       u64 logical = (u64)bio->bi_sector << 9;
+       u64 logical = (u64)bio->bi_iter.bi_sector << 9;
        u64 length = 0;
        u64 map_length;
        int ret;
@@ -1585,7 +1585,7 @@ int btrfs_merge_bio_hook(int rw, struct page *page, unsigned long offset,
        if (bio_flags & EXTENT_BIO_COMPRESSED)
                return 0;
 
-       length = bio->bi_size;
+       length = bio->bi_iter.bi_size;
        map_length = length;
        ret = btrfs_map_block(root->fs_info, rw, logical,
                              &map_length, NULL, 0);
@@ -6783,17 +6783,16 @@ unlock_err:
 static void btrfs_endio_direct_read(struct bio *bio, int err)
 {
        struct btrfs_dio_private *dip = bio->bi_private;
-       struct bio_vec *bvec_end = bio->bi_io_vec + bio->bi_vcnt - 1;
-       struct bio_vec *bvec = bio->bi_io_vec;
+       struct bio_vec *bvec;
        struct inode *inode = dip->inode;
        struct btrfs_root *root = BTRFS_I(inode)->root;
        struct bio *dio_bio;
        u32 *csums = (u32 *)dip->csum;
-       int index = 0;
        u64 start;
+       int i;
 
        start = dip->logical_offset;
-       do {
+       bio_for_each_segment_all(bvec, bio, i) {
                if (!(BTRFS_I(inode)->flags & BTRFS_INODE_NODATASUM)) {
                        struct page *page = bvec->bv_page;
                        char *kaddr;
@@ -6809,18 +6808,16 @@ static void btrfs_endio_direct_read(struct bio *bio, int err)
                        local_irq_restore(flags);
 
                        flush_dcache_page(bvec->bv_page);
-                       if (csum != csums[index]) {
+                       if (csum != csums[i]) {
                                btrfs_err(root->fs_info, "csum failed ino %llu off %llu csum %u expected csum %u",
                                          btrfs_ino(inode), start, csum,
-                                         csums[index]);
+                                         csums[i]);
                                err = -EIO;
                        }
                }
 
                start += bvec->bv_len;
-               bvec++;
-               index++;
-       } while (bvec <= bvec_end);
+       }
 
        unlock_extent(&BTRFS_I(inode)->io_tree, dip->logical_offset,
                      dip->logical_offset + dip->bytes - 1);
@@ -6901,7 +6898,8 @@ static void btrfs_end_dio_bio(struct bio *bio, int err)
                printk(KERN_ERR "btrfs direct IO failed ino %llu rw %lu "
                      "sector %#Lx len %u err no %d\n",
                      btrfs_ino(dip->inode), bio->bi_rw,
-                     (unsigned long long)bio->bi_sector, bio->bi_size, err);
+                     (unsigned long long)bio->bi_iter.bi_sector,
+                     bio->bi_iter.bi_size, err);
                dip->errors = 1;
 
                /*
@@ -6992,7 +6990,7 @@ static int btrfs_submit_direct_hook(int rw, struct btrfs_dio_private *dip,
        struct bio *bio;
        struct bio *orig_bio = dip->orig_bio;
        struct bio_vec *bvec = orig_bio->bi_io_vec;
-       u64 start_sector = orig_bio->bi_sector;
+       u64 start_sector = orig_bio->bi_iter.bi_sector;
        u64 file_offset = dip->logical_offset;
        u64 submit_len = 0;
        u64 map_length;
@@ -7000,7 +6998,7 @@ static int btrfs_submit_direct_hook(int rw, struct btrfs_dio_private *dip,
        int ret = 0;
        int async_submit = 0;
 
-       map_length = orig_bio->bi_size;
+       map_length = orig_bio->bi_iter.bi_size;
        ret = btrfs_map_block(root->fs_info, rw, start_sector << 9,
                              &map_length, NULL, 0);
        if (ret) {
@@ -7008,7 +7006,7 @@ static int btrfs_submit_direct_hook(int rw, struct btrfs_dio_private *dip,
                return -EIO;
        }
 
-       if (map_length >= orig_bio->bi_size) {
+       if (map_length >= orig_bio->bi_iter.bi_size) {
                bio = orig_bio;
                goto submit;
        }
@@ -7060,7 +7058,7 @@ static int btrfs_submit_direct_hook(int rw, struct btrfs_dio_private *dip,
                        bio->bi_private = dip;
                        bio->bi_end_io = btrfs_end_dio_bio;
 
-                       map_length = orig_bio->bi_size;
+                       map_length = orig_bio->bi_iter.bi_size;
                        ret = btrfs_map_block(root->fs_info, rw,
                                              start_sector << 9,
                                              &map_length, NULL, 0);
@@ -7118,7 +7116,8 @@ static void btrfs_submit_direct(int rw, struct bio *dio_bio,
 
        if (!skip_sum && !write) {
                csum_size = btrfs_super_csum_size(root->fs_info->super_copy);
-               sum_len = dio_bio->bi_size >> inode->i_sb->s_blocksize_bits;
+               sum_len = dio_bio->bi_iter.bi_size >>
+                       inode->i_sb->s_blocksize_bits;
                sum_len *= csum_size;
        } else {
                sum_len = 0;
@@ -7133,8 +7132,8 @@ static void btrfs_submit_direct(int rw, struct bio *dio_bio,
        dip->private = dio_bio->bi_private;
        dip->inode = inode;
        dip->logical_offset = file_offset;
-       dip->bytes = dio_bio->bi_size;
-       dip->disk_bytenr = (u64)dio_bio->bi_sector << 9;
+       dip->bytes = dio_bio->bi_iter.bi_size;
+       dip->disk_bytenr = (u64)dio_bio->bi_iter.bi_sector << 9;
        io_bio->bi_private = dip;
        dip->errors = 0;
        dip->orig_bio = io_bio;