Commit 621b9ff1 authored by Qu Wenruo's avatar Qu Wenruo Committed by David Sterba
Browse files

btrfs: unexport btrfs_subpage_start_writer() and btrfs_subpage_end_and_test_writer() 



Both functions were introduced in commit 1e1de387 ("btrfs: make
process_one_page() to handle subpage locking"), but they have never
been utilized out of subpage code.  So just unexport them.

Signed-off-by: default avatarQu Wenruo <wqu@suse.com>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 970ea374

fs/btrfs/subpage.c

+4 −4
Original line number Diff line number Diff line
@@ -290,7 +290,7 @@ static void btrfs_subpage_clamp_range(struct folio *folio, u64 *start, u32 *len) 
			     orig_start + orig_len) - *start;

}



void btrfs_subpage_start_writer(const struct btrfs_fs_info *fs_info,

static void btrfs_subpage_start_writer(const struct btrfs_fs_info *fs_info,

				       struct folio *folio, u64 start, u32 len)

{

	struct btrfs_subpage *subpage = folio_get_private(folio);
@@ -304,7 +304,7 @@ void btrfs_subpage_start_writer(const struct btrfs_fs_info *fs_info, 
	ASSERT(ret == nbits);

}



bool btrfs_subpage_end_and_test_writer(const struct btrfs_fs_info *fs_info,

static bool btrfs_subpage_end_and_test_writer(const struct btrfs_fs_info *fs_info,

					      struct folio *folio, u64 start, u32 len)

{

	struct btrfs_subpage *subpage = folio_get_private(folio);

fs/btrfs/subpage.h

+0 −4
Original line number Diff line number Diff line
@@ -98,10 +98,6 @@ void btrfs_subpage_start_reader(const struct btrfs_fs_info *fs_info, 
void btrfs_subpage_end_reader(const struct btrfs_fs_info *fs_info,

			      struct folio *folio, u64 start, u32 len);



void btrfs_subpage_start_writer(const struct btrfs_fs_info *fs_info,

				struct folio *folio, u64 start, u32 len);

bool btrfs_subpage_end_and_test_writer(const struct btrfs_fs_info *fs_info,

				       struct folio *folio, u64 start, u32 len);

int btrfs_folio_start_writer_lock(const struct btrfs_fs_info *fs_info,

				  struct folio *folio, u64 start, u32 len);

void btrfs_folio_end_writer_lock(const struct btrfs_fs_info *fs_info,