Displaying 1 result from an estimated 1 matches for "c1faded".
Did you mean:
c1fa3e4
2010 Dec 07
9
[PATCH] Btrfs: pwrite blocked when writing from the mmaped buffer of the same page
...cked. And also disable page fault in critical region in
btrfs_copy_from_user().
Signed-off-by: Xin Zhong <xin.zhong@intel.com>
---
fs/btrfs/file.c | 23 +++++------------------
1 files changed, 5 insertions(+), 18 deletions(-)
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index dfe15dc..c1faded 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -57,15 +57,11 @@ static noinline int btrfs_copy_from_user(loff_t pos, int num_pages,
PAGE_CACHE_SIZE - offset, write_bytes);
struct page *page = prepared_pages[pg];
again:
- /*
- * Copy data from userspace to the current page...