From: jim owens <jowens@hp.com>
To: linux-btrfs <linux-btrfs@vger.kernel.org>
Subject: [RFC PATCH 03/03] Btrfs: enable direct I/O read support.
Date: Tue, 19 Jan 2010 16:58:51 -0500 [thread overview]
Message-ID: <4B562B1B.4010502@hp.com> (raw)
Signed-off-by: jim owens <jowens@hp.com>
---
fs/btrfs/Makefile | 2 +-
fs/btrfs/inode.c | 7 ++-----
2 files changed, 3 insertions(+), 6 deletions(-)
diff --git a/fs/btrfs/Makefile b/fs/btrfs/Makefile
index a35eb36..5cbe798 100644
--- a/fs/btrfs/Makefile
+++ b/fs/btrfs/Makefile
@@ -7,4 +7,4 @@ btrfs-y += super.o ctree.o extent-tree.o print-tree.o root-tree.o dir-item.o \
extent_map.o sysfs.o struct-funcs.o xattr.o ordered-data.o \
extent_io.o volumes.o async-thread.o ioctl.o locking.o orphan.o \
export.o tree-log.o acl.o free-space-cache.o zlib.o \
- compression.o delayed-ref.o relocation.o
+ compression.o delayed-ref.o relocation.o dio.o
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index fbc5bd1..09a4d8e 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -4935,12 +4935,9 @@ out:
return em;
}
-static ssize_t btrfs_direct_IO(int rw, struct kiocb *iocb,
+extern ssize_t btrfs_direct_IO(int rw, struct kiocb *iocb,
const struct iovec *iov, loff_t offset,
- unsigned long nr_segs)
-{
- return -EINVAL;
-}
+ unsigned long nr_segs);
static int btrfs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
__u64 start, __u64 len)
--
1.5.6.3
reply other threads:[~2010-01-19 21:58 UTC|newest]
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