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Commit edb27dee authored by Jaegeuk Kim's avatar Jaegeuk Kim
Browse files

f2fs: handle error cases in commit_inmem_pages 



This patch adds to handle error cases in commit_inmem_pages.
If an error occurs, it stops to write the pages and return the error right
away.

Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent a6d494b6

fs/f2fs/f2fs.h

+1 −1
Original line number Diff line number Diff line
@@ -1697,7 +1697,7 @@ void destroy_node_manager_caches(void); 
 * segment.c

 */

void register_inmem_page(struct inode *, struct page *);

void commit_inmem_pages(struct inode *, bool);

int commit_inmem_pages(struct inode *, bool);

void f2fs_balance_fs(struct f2fs_sb_info *);

void f2fs_balance_fs_bg(struct f2fs_sb_info *);

int f2fs_issue_flush(struct f2fs_sb_info *);

fs/f2fs/file.c

+5 −2
Original line number Diff line number Diff line
@@ -1358,10 +1358,13 @@ static int f2fs_ioc_commit_atomic_write(struct file *filp) 


	if (f2fs_is_atomic_file(inode)) {

		clear_inode_flag(F2FS_I(inode), FI_ATOMIC_FILE);

		commit_inmem_pages(inode, false);

		ret = commit_inmem_pages(inode, false);

		if (ret)

			goto err_out;

	}



	ret = f2fs_sync_file(filp, 0, LLONG_MAX, 0);

err_out:

	mnt_drop_write_file(filp);

	return ret;

}
@@ -1418,7 +1421,7 @@ static int f2fs_ioc_abort_volatile_write(struct file *filp) 


	if (f2fs_is_atomic_file(inode)) {

		clear_inode_flag(F2FS_I(inode), FI_ATOMIC_FILE);

		commit_inmem_pages(inode, false);

		commit_inmem_pages(inode, true);

	}



	if (f2fs_is_volatile_file(inode))

fs/f2fs/segment.c

+8 −2
Original line number Diff line number Diff line
@@ -227,7 +227,7 @@ void register_inmem_page(struct inode *inode, struct page *page) 
	trace_f2fs_register_inmem_page(page, INMEM);

}



void commit_inmem_pages(struct inode *inode, bool abort)

int commit_inmem_pages(struct inode *inode, bool abort)

{

	struct f2fs_sb_info *sbi = F2FS_I_SB(inode);

	struct f2fs_inode_info *fi = F2FS_I(inode);
@@ -239,6 +239,7 @@ void commit_inmem_pages(struct inode *inode, bool abort) 
		.rw = WRITE_SYNC | REQ_PRIO,

		.encrypted_page = NULL,

	};

	int err = 0;



	/*

	 * The abort is true only when f2fs_evict_inode is called.
@@ -263,8 +264,12 @@ void commit_inmem_pages(struct inode *inode, bool abort) 
					inode_dec_dirty_pages(inode);

				trace_f2fs_commit_inmem_page(cur->page, INMEM);

				fio.page = cur->page;

				do_write_data_page(&fio);

				err = do_write_data_page(&fio);

				submit_bio = true;

				if (err) {

					unlock_page(cur->page);

					break;

				}

			}

			f2fs_put_page(cur->page, 1);

		} else {
@@ -283,6 +288,7 @@ void commit_inmem_pages(struct inode *inode, bool abort) 
		if (submit_bio)

			f2fs_submit_merged_bio(sbi, DATA, WRITE);

	}

	return err;

}



/*