There several functions which open code
btrfs_lock_and_flush_ordered_range, just replace them with a call
to the function. No functional changes.
Signed-off-by: Nikolay Borisov <nbori...@suse.com>
---
fs/btrfs/extent_io.c | 27 +++------------------------
fs/btrfs/file.c | 14 ++------------
fs/btrfs/inode.c | 17 ++---------------
3 files changed, 7 insertions(+), 51 deletions(-)
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 9aa79ad794c9..bf5712249986 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -3206,21 +3206,10 @@ static inline void contiguous_readpages(struct
extent_io_tree *tree,
unsigned long *bio_flags,
u64 *prev_em_start)
{
- struct inode *inode;
- struct btrfs_ordered_extent *ordered;
+ struct inode *inode = pages[0]->mapping->host;
int index;
- inode = pages[0]->mapping->host;
- while (1) {
- lock_extent(tree, start, end);
- ordered = btrfs_lookup_ordered_range(BTRFS_I(inode), start,
- end - start + 1);
- if (!ordered)
- break;
- unlock_extent(tree, start, end);
- btrfs_start_ordered_extent(inode, ordered, 1);
- btrfs_put_ordered_extent(ordered);
- }
+ btrfs_lock_and_flush_ordered_range(tree, inode, start, end, NULL);
for (index = 0; index < nr_pages; index++) {
__do_readpage(tree, pages[index], btrfs_get_extent, em_cached,
@@ -3237,21 +3226,11 @@ static int __extent_read_full_page(struct
extent_io_tree *tree,
unsigned int read_flags)
{
struct inode *inode = page->mapping->host;
- struct btrfs_ordered_extent *ordered;
u64 start = page_offset(page);
u64 end = start + PAGE_SIZE - 1;
int ret;
- while (1) {
- lock_extent(tree, start, end);
- ordered = btrfs_lookup_ordered_range(BTRFS_I(inode), start,
- PAGE_SIZE);
- if (!ordered)
- break;
- unlock_extent(tree, start, end);
- btrfs_start_ordered_extent(inode, ordered, 1);
- btrfs_put_ordered_extent(ordered);
- }
+ btrfs_lock_and_flush_ordered_range(tree, inode, start, end, NULL);
ret = __do_readpage(tree, page, get_extent, NULL, bio, mirror_num,
bio_flags, read_flags, NULL);
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index c857a884a90f..2030b9bcb977 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -1541,7 +1541,6 @@ static noinline int check_can_nocow(struct btrfs_inode
*inode, loff_t pos,
{
struct btrfs_fs_info *fs_info = inode->root->fs_info;
struct btrfs_root *root = inode->root;
- struct btrfs_ordered_extent *ordered;
u64 lockstart, lockend;
u64 num_bytes;
int ret;
@@ -1554,17 +1553,8 @@ static noinline int check_can_nocow(struct btrfs_inode
*inode, loff_t pos,
lockend = round_up(pos + *write_bytes,
fs_info->sectorsize) - 1;
- while (1) {
- lock_extent(&inode->io_tree, lockstart, lockend);
- ordered = btrfs_lookup_ordered_range(inode, lockstart,
- lockend - lockstart + 1);
- if (!ordered) {
- break;
- }
- unlock_extent(&inode->io_tree, lockstart, lockend);
- btrfs_start_ordered_extent(&inode->vfs_inode, ordered, 1);
- btrfs_put_ordered_extent(ordered);
- }
+ btrfs_lock_and_flush_ordered_range(&inode->io_tree, &inode->vfs_inode,
+ lockstart, lockend, NULL);
num_bytes = lockend - lockstart + 1;
ret = can_nocow_extent(&inode->vfs_inode, lockstart, &num_bytes,
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 5afb1648276f..58d320b168e9 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -4985,21 +4985,8 @@ int btrfs_cont_expand(struct inode *inode, loff_t
oldsize, loff_t size)
if (size <= hole_start)
return 0;
- while (1) {
- struct btrfs_ordered_extent *ordered;
-
- lock_extent_bits(io_tree, hole_start, block_end - 1,
- &cached_state);
- ordered = btrfs_lookup_ordered_range(BTRFS_I(inode), hole_start,
- block_end - hole_start);
- if (!ordered)
- break;
- unlock_extent_cached(io_tree, hole_start, block_end - 1,
- &cached_state);
- btrfs_start_ordered_extent(inode, ordered, 1);
- btrfs_put_ordered_extent(ordered);
- }
-
+ btrfs_lock_and_flush_ordered_range(io_tree, inode, hole_start,
+ block_end - 1, &cached_state);
cur_offset = hole_start;
while (1) {
em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, cur_offset,
--
2.17.1
