[PATCH 3/4] fsfreeze: use sb_start_write_killable instead of sb_start_write

[Gmail <marco.stornelli@gmail.com>]

Replace sb_start_write with sb_start_write_killable where
possible.

Signed-off-by: Marco Stornelli <marco.stornelli@gmail.com>
Reviewed-by: Jan Kara <jack@suse.cz>
---
 fs/open.c |    8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/fs/open.c b/fs/open.c
index 8c74100..d621d76 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -182,7 +182,9 @@ static long do_sys_ftruncate(unsigned int fd, loff_t length, int small)
 	if (IS_APPEND(inode))
 		goto out_putf;
 
-	sb_start_write(inode->i_sb);
+	error = sb_start_write_killable(inode->i_sb);
+	if (error < 0)
+		return error;
 	error = locks_verify_truncate(inode, f.file, length);
 	if (!error)
 		error = security_path_truncate(&f.file->f_path);
@@ -273,7 +275,9 @@ int do_fallocate(struct file *file, int mode, loff_t offset, loff_t len)
 	if (!file->f_op->fallocate)
 		return -EOPNOTSUPP;
 
-	sb_start_write(inode->i_sb);
+	ret = sb_start_write_killable(inode->i_sb);
+	if (ret < 0)
+		return ret;
 	ret = file->f_op->fallocate(file, mode, offset, len);
 	sb_end_write(inode->i_sb);
 	return ret;
-- 
1.7.3.4