kill wait_on_page_writeback_range

All callers really want the more logical filemap_fdatawait_range interface,
so convert them to use it and merge wait_on_page_writeback_range into
filemap_fdatawait_range.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jan Kara <jack@suse.cz>

2 files changed, 3 insertions, 7 deletions

diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c
index d4cfd6d2779e..c5edc13ccdd0 100644
--- a/fs/jbd2/commit.c
+++ b/fs/jbd2/commit.c
@@ -286,7 +286,7 @@ static int journal_finish_inode_data_buffers(journal_t *journal,
                 if (err) {
                         /*
                          * Because AS_EIO is cleared by
-                         * wait_on_page_writeback_range(), set it again so
+                         * filemap_fdatawait_range(), set it again so
                          * that user process can get -EIO from fsync().
                          */
                         set_bit(AS_EIO,
diff --git a/fs/sync.c b/fs/sync.c
index b75ca68dc081..36752a683481 100644
--- a/fs/sync.c
+++ b/fs/sync.c
@@ -453,9 +453,7 @@ int do_sync_mapping_range(struct address_space *mapping, loff_t offset,
 
         ret = 0;
         if (flags & SYNC_FILE_RANGE_WAIT_BEFORE) {
-                ret = wait_on_page_writeback_range(mapping,
-                                        offset >> PAGE_CACHE_SHIFT,
-                                        endbyte >> PAGE_CACHE_SHIFT);
+                ret = filemap_fdatawait_range(mapping, offset, endbyte);
                 if (ret < 0)
                         goto out;
         }
@@ -468,9 +466,7 @@ int do_sync_mapping_range(struct address_space *mapping, loff_t offset,
         }
 
         if (flags & SYNC_FILE_RANGE_WAIT_AFTER) {
-                ret = wait_on_page_writeback_range(mapping,
-                                        offset >> PAGE_CACHE_SHIFT,
-                                        endbyte >> PAGE_CACHE_SHIFT);
+                ret = filemap_fdatawait_range(mapping, offset, endbyte);
         }
 out:
         return ret;