f2fs: fix f2fs_ioc_abort_volatile_write (732d5648) · Commits · 戴 / test

There are two rules to handle aborting volatile or atomic writes. 1. drop atomic writes - we don't need to keep any stale db data. 2. write journal data - we should keep the journal data with fsync for db recovery. Signed-off-by:

Jaegeuk Kim <jaegeuk@kernel.org>

fs/f2fs/file.c

+8 −3

Original line number	Diff line number	Diff line
		@@ -1433,9 +1433,14 @@ static int f2fs_ioc_abort_volatile_write(struct file *filp)
		if (ret)
		return ret;

		if (f2fs_is_atomic_file(inode)) {
		clear_inode_flag(F2FS_I(inode), FI_ATOMIC_FILE);
		clear_inode_flag(F2FS_I(inode), FI_VOLATILE_FILE);
		commit_inmem_pages(inode, true);
		}
		if (f2fs_is_volatile_file(inode)) {
		clear_inode_flag(F2FS_I(inode), FI_VOLATILE_FILE);
		ret = f2fs_sync_file(filp, 0, LLONG_MAX, 0);
		}

		mnt_drop_write_file(filp);
		return ret;

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