Commit c8dc3047 authored by Chao Yu's avatar Chao Yu Committed by Jaegeuk Kim
Browse files

f2fs: fix to unmap pages from userspace process in punch_hole() 



We need to unmap pages from userspace process before removing pagecache
in punch_hole() like we did in f2fs_setattr().

Similar change:
commit 5e44f8c3 ("ext4: hole-punch use truncate_pagecache_range")

Fixes: fbfa2cc5 ("f2fs: add file operations")
Signed-off-by: default avatarChao Yu <chao@kernel.org>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent adf9ea89

fs/f2fs/file.c

+1 −3
Original line number Diff line number Diff line
@@ -1107,7 +1107,6 @@ static int punch_hole(struct inode *inode, loff_t offset, loff_t len) 
		}



		if (pg_start < pg_end) {

			struct address_space *mapping = inode->i_mapping;

			loff_t blk_start, blk_end;

			struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
@@ -1119,8 +1118,7 @@ static int punch_hole(struct inode *inode, loff_t offset, loff_t len) 
			down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);

			down_write(&F2FS_I(inode)->i_mmap_sem);



			truncate_inode_pages_range(mapping, blk_start,

					blk_end - 1);

			truncate_pagecache_range(inode, blk_start, blk_end - 1);



			f2fs_lock_op(sbi);

			ret = f2fs_truncate_hole(inode, pg_start, pg_end);