diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/btrfs/extent_io.c | 35 | ||||
| -rw-r--r-- | fs/btrfs/extent_io.h | 3 |
2 files changed, 11 insertions, 27 deletions
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index b9019c847c58..5c00d6aeae75 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -2646,6 +2646,8 @@ static int __extent_read_full_page(struct extent_io_tree *tree, } } while (cur <= end) { + unsigned long pnr = (last_byte >> PAGE_CACHE_SHIFT) + 1; + if (cur >= last_byte) { char *userpage; struct extent_state *cached = NULL; @@ -2733,26 +2735,17 @@ static int __extent_read_full_page(struct extent_io_tree *tree, continue; } - ret = 0; - if (tree->ops && tree->ops->readpage_io_hook) { - ret = tree->ops->readpage_io_hook(page, cur, - cur + iosize - 1); - } - if (!ret) { - unsigned long pnr = (last_byte >> PAGE_CACHE_SHIFT) + 1; - pnr -= page->index; - ret = submit_extent_page(READ, tree, page, + pnr -= page->index; + ret = submit_extent_page(READ, tree, page, sector, disk_io_size, pg_offset, bdev, bio, pnr, end_bio_extent_readpage, mirror_num, *bio_flags, this_bio_flag); - if (!ret) { - nr++; - *bio_flags = this_bio_flag; - } - } - if (ret) { + if (!ret) { + nr++; + *bio_flags = this_bio_flag; + } else { SetPageError(page); unlock_extent(tree, cur, cur + iosize - 1); } @@ -3441,15 +3434,9 @@ retry: * swizzled back from swapper_space to tmpfs file * mapping */ - if (tree->ops && - tree->ops->write_cache_pages_lock_hook) { - tree->ops->write_cache_pages_lock_hook(page, - data, flush_fn); - } else { - if (!trylock_page(page)) { - flush_fn(data); - lock_page(page); - } + if (!trylock_page(page)) { + flush_fn(data); + lock_page(page); } if (unlikely(page->mapping != mapping)) { diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h index 2eacfabd3263..ff182322d112 100644 --- a/fs/btrfs/extent_io.h +++ b/fs/btrfs/extent_io.h @@ -75,7 +75,6 @@ struct extent_io_ops { int (*merge_bio_hook)(struct page *page, unsigned long offset, size_t size, struct bio *bio, unsigned long bio_flags); - int (*readpage_io_hook)(struct page *page, u64 start, u64 end); int (*readpage_io_failed_hook)(struct page *page, int failed_mirror); int (*readpage_end_io_hook)(struct page *page, u64 start, u64 end, struct extent_state *state, int mirror); @@ -90,8 +89,6 @@ struct extent_io_ops { struct extent_state *other); void (*split_extent_hook)(struct inode *inode, struct extent_state *orig, u64 split); - int (*write_cache_pages_lock_hook)(struct page *page, void *data, - void (*flush_fn)(void *)); }; struct extent_io_tree { |