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authorLinus Torvalds <torvalds@linux-foundation.org>2016-05-17 15:05:23 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-05-17 15:05:23 -0700
commitc2e7b207058d4ff6a9010430763fb561f307eb67 (patch)
tree8983947c4d62365de3d98113662ff9e643a42a0f /fs/btrfs
parentc52b76185b7a1b300e5f15ff871c8f45ced3dee9 (diff)
parent24368aad47dc65b45040d6a31bfd6df1d6f3ec97 (diff)
Merge branch 'work.preadv2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs cleanups from Al Viro: "More cleanups from Christoph" * 'work.preadv2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: nfsd: use RWF_SYNC fs: add RWF_DSYNC aand RWF_SYNC ceph: use generic_write_sync fs: simplify the generic_write_sync prototype fs: add IOCB_SYNC and IOCB_DSYNC direct-io: remove the offset argument to dio_complete direct-io: eliminate the offset argument to ->direct_IO xfs: eliminate the pos variable in xfs_file_dio_aio_write filemap: remove the pos argument to generic_file_direct_write filemap: remove pos variables in generic_file_read_iter
Diffstat (limited to 'fs/btrfs')
-rw-r--r--fs/btrfs/file.c16
-rw-r--r--fs/btrfs/inode.c6
2 files changed, 9 insertions, 13 deletions
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 8d7b5a45c005..ea9f10bb089c 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -1703,18 +1703,17 @@ again:
return num_written ? num_written : ret;
}
-static ssize_t __btrfs_direct_write(struct kiocb *iocb,
- struct iov_iter *from,
- loff_t pos)
+static ssize_t __btrfs_direct_write(struct kiocb *iocb, struct iov_iter *from)
{
struct file *file = iocb->ki_filp;
struct inode *inode = file_inode(file);
+ loff_t pos = iocb->ki_pos;
ssize_t written;
ssize_t written_buffered;
loff_t endbyte;
int err;
- written = generic_file_direct_write(iocb, from, pos);
+ written = generic_file_direct_write(iocb, from);
if (written < 0 || !iov_iter_count(from))
return written;
@@ -1832,7 +1831,7 @@ static ssize_t btrfs_file_write_iter(struct kiocb *iocb,
atomic_inc(&BTRFS_I(inode)->sync_writers);
if (iocb->ki_flags & IOCB_DIRECT) {
- num_written = __btrfs_direct_write(iocb, from, pos);
+ num_written = __btrfs_direct_write(iocb, from);
} else {
num_written = __btrfs_buffered_write(file, from, pos);
if (num_written > 0)
@@ -1852,11 +1851,8 @@ static ssize_t btrfs_file_write_iter(struct kiocb *iocb,
spin_lock(&BTRFS_I(inode)->lock);
BTRFS_I(inode)->last_sub_trans = root->log_transid;
spin_unlock(&BTRFS_I(inode)->lock);
- if (num_written > 0) {
- err = generic_write_sync(file, pos, num_written);
- if (err < 0)
- num_written = err;
- }
+ if (num_written > 0)
+ num_written = generic_write_sync(iocb, num_written);
if (sync)
atomic_dec(&BTRFS_I(inode)->sync_writers);
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 3e2ada1267f3..da5799c56160 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -8541,13 +8541,13 @@ out:
return retval;
}
-static ssize_t btrfs_direct_IO(struct kiocb *iocb, struct iov_iter *iter,
- loff_t offset)
+static ssize_t btrfs_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
{
struct file *file = iocb->ki_filp;
struct inode *inode = file->f_mapping->host;
struct btrfs_root *root = BTRFS_I(inode)->root;
struct btrfs_dio_data dio_data = { 0 };
+ loff_t offset = iocb->ki_pos;
size_t count = 0;
int flags = 0;
bool wakeup = true;
@@ -8607,7 +8607,7 @@ static ssize_t btrfs_direct_IO(struct kiocb *iocb, struct iov_iter *iter,
ret = __blockdev_direct_IO(iocb, inode,
BTRFS_I(inode)->root->fs_info->fs_devices->latest_bdev,
- iter, offset, btrfs_get_blocks_direct, NULL,
+ iter, btrfs_get_blocks_direct, NULL,
btrfs_submit_direct, flags);
if (iov_iter_rw(iter) == WRITE) {
current->journal_info = NULL;