[PATCH 1/8] ext4: add extra_flags param to ext4_convert_unwritten_extents()

[Ojaswin Mujoo <ojaswin@linux.ibm.com>]

Let callers pass in additional flags for ext4_map_blocks(). This is in
preparation of the upcoming changes.

Signed-off-by: Ojaswin Mujoo <ojaswin@linux.ibm.com>
---
 fs/ext4/ext4.h    | 3 ++-
 fs/ext4/extents.c | 8 ++++----
 fs/ext4/file.c    | 2 +-
 fs/ext4/page-io.c | 2 +-
 4 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 8d3af062a830..b72f90b6375b 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -3971,7 +3971,8 @@ extern long ext4_fallocate(struct file *file, int mode, loff_t offset,
 			  loff_t len);
 extern int ext4_convert_unwritten_extents(handle_t *handle, struct inode *inode,
 					  loff_t offset, ssize_t len,
-					  ext4_lblk_t *converted);
+					  ext4_lblk_t *converted,
+					  int extra_flags);
 extern int ext4_convert_unwritten_extents_atomic(handle_t *handle,
 			struct inode *inode, loff_t offset, ssize_t len);
 extern int ext4_convert_unwritten_io_end_vec(handle_t *handle,
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 7193429a05e1..a229983f91dd 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -4704,7 +4704,7 @@ static int ext4_alloc_file_blocks(struct file *file, loff_t offset, loff_t len,
 			ret = ext4_convert_unwritten_extents(handle,
 					inode, (loff_t)map.m_lblk << blkbits,
 					(loff_t)map.m_len << blkbits,
-					&converted);
+					&converted, 0);
 			if (ret)
 				map.m_len = converted;
 
@@ -5152,7 +5152,7 @@ int ext4_convert_unwritten_extents_atomic(handle_t *handle, struct inode *inode,
  */
 int ext4_convert_unwritten_extents(handle_t *handle, struct inode *inode,
 				   loff_t offset, ssize_t len,
-				   ext4_lblk_t *converted)
+				   ext4_lblk_t *converted, int extra_flags)
 {
 	ext4_lblk_t max_blocks, conv_blocks = 0;
 	int ret = 0, ret2 = 0, ret3 = 0;
@@ -5195,7 +5195,7 @@ int ext4_convert_unwritten_extents(handle_t *handle, struct inode *inode,
 		 */
 		ret = ext4_map_blocks(handle, inode, &map,
 				      EXT4_GET_BLOCKS_IO_CONVERT_EXT |
-				      EXT4_EX_NOCACHE);
+				      EXT4_EX_NOCACHE | extra_flags);
 		if (ret <= 0) {
 			ext4_warning(inode->i_sb,
 				     "inode #%llu: block %u: len %u: ext4_map_blocks returned %d",
@@ -5248,7 +5248,7 @@ int ext4_convert_unwritten_io_end_vec(handle_t *handle, ext4_io_end_t *io_end)
 	list_for_each_entry(io_end_vec, &io_end->list_vec, list) {
 		ret = ext4_convert_unwritten_extents(handle, io_end->inode,
 						     io_end_vec->offset,
-						     io_end_vec->size, NULL);
+						     io_end_vec->size, NULL, 0);
 		if (ret)
 			break;
 	}
diff --git a/fs/ext4/file.c b/fs/ext4/file.c
index 50d3c92709c8..06ef7a9b9f83 100644
--- a/fs/ext4/file.c
+++ b/fs/ext4/file.c
@@ -457,7 +457,7 @@ static int ext4_dio_write_end_io(struct kiocb *iocb, ssize_t size,
 							      size);
 	else if (!error && size && flags & IOMAP_DIO_UNWRITTEN)
 		error = ext4_convert_unwritten_extents(NULL, inode, pos, size,
-						       NULL);
+						       NULL, 0);
 	if (error)
 		return error;
 	/*
diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c
index 734d856a6d47..4c5c77da2a5e 100644
--- a/fs/ext4/page-io.c
+++ b/fs/ext4/page-io.c
@@ -685,7 +685,7 @@ static void ext4_iomap_finish_ioend(struct iomap_ioend *ioend)
 
 	if (ioend->io_flags & IOMAP_IOEND_UNWRITTEN)
 		ret = ext4_convert_unwritten_extents(handle, inode, pos,
-						     size, NULL);
+						     size, NULL, 0);
 
 out_journal:
 	err = ext4_journal_stop(handle);

-- 
2.55.0