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authorLinus Torvalds <torvalds@linux-foundation.org>2010-05-27 10:43:44 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-05-27 10:43:44 -0700
commit105a048a4f35f7a74c7cc20b36dd83658b6ec232 (patch)
tree043b1110cda0042ba35d8aae59382bb094d0af3f /include
parent00b9b0af5887fed54e899e3b7f5c2ccf5e739def (diff)
parent9aeead73782c4b8e2a91def36dbf95db28605c95 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable
* git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable: (27 commits) Btrfs: add more error checking to btrfs_dirty_inode Btrfs: allow unaligned DIO Btrfs: drop verbose enospc printk Btrfs: Fix block generation verification race Btrfs: fix preallocation and nodatacow checks in O_DIRECT Btrfs: avoid ENOSPC errors in btrfs_dirty_inode Btrfs: move O_DIRECT space reservation to btrfs_direct_IO Btrfs: rework O_DIRECT enospc handling Btrfs: use async helpers for DIO write checksumming Btrfs: don't walk around with task->state != TASK_RUNNING Btrfs: do aio_write instead of write Btrfs: add basic DIO read/write support direct-io: do not merge logically non-contiguous requests direct-io: add a hook for the fs to provide its own submit_bio function fs: allow short direct-io reads to be completed via buffered IO Btrfs: Metadata ENOSPC handling for balance Btrfs: Pre-allocate space for data relocation Btrfs: Metadata ENOSPC handling for tree log Btrfs: Metadata reservation for orphan inodes Btrfs: Introduce global metadata reservation ...
Diffstat (limited to 'include')
-rw-r--r--include/linux/fs.h11
1 files changed, 8 insertions, 3 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 9682d52d1507..85e823adcd4a 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2251,10 +2251,15 @@ static inline int xip_truncate_page(struct address_space *mapping, loff_t from)
#endif
#ifdef CONFIG_BLOCK
+struct bio;
+typedef void (dio_submit_t)(int rw, struct bio *bio, struct inode *inode,
+ loff_t file_offset);
+void dio_end_io(struct bio *bio, int error);
+
ssize_t __blockdev_direct_IO(int rw, struct kiocb *iocb, struct inode *inode,
struct block_device *bdev, const struct iovec *iov, loff_t offset,
unsigned long nr_segs, get_block_t get_block, dio_iodone_t end_io,
- int lock_type);
+ dio_submit_t submit_io, int lock_type);
enum {
/* need locking between buffered and direct access */
@@ -2270,7 +2275,7 @@ static inline ssize_t blockdev_direct_IO(int rw, struct kiocb *iocb,
dio_iodone_t end_io)
{
return __blockdev_direct_IO(rw, iocb, inode, bdev, iov, offset,
- nr_segs, get_block, end_io,
+ nr_segs, get_block, end_io, NULL,
DIO_LOCKING | DIO_SKIP_HOLES);
}
@@ -2280,7 +2285,7 @@ static inline ssize_t blockdev_direct_IO_no_locking(int rw, struct kiocb *iocb,
dio_iodone_t end_io)
{
return __blockdev_direct_IO(rw, iocb, inode, bdev, iov, offset,
- nr_segs, get_block, end_io, 0);
+ nr_segs, get_block, end_io, NULL, 0);
}
#endif