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794378
2010 Jun 07
0
[PATCH] btrfs: fix cannot use the loop device
...ement either ->write_begin or ->write
the VFS API, so we fix it by setting ->write to do_sync_write().
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
---
fs/btrfs/file.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 79437c5..abcb918 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -1197,6 +1197,7 @@ static int btrfs_file_mmap(struct file *filp, struct vm_area_struct *vma)
const struct file_operations btrfs_file_operations = {
.llseek = generic_file_llseek,
.read = do_sync_read,
+ .write = do_sync_write,...