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-rw-r--r--fs/block_dev.c8
-rw-r--r--fs/btrfs/file.c7
-rw-r--r--fs/cifs/file.c7
-rw-r--r--fs/direct-io.c17
-rw-r--r--fs/ext4/file.c9
-rw-r--r--fs/f2fs/file.c9
-rw-r--r--fs/nfs/direct.c4
-rw-r--r--fs/ntfs/file.c7
-rw-r--r--fs/udf/file.c4
-rw-r--r--fs/xfs/xfs_file.c6
10 files changed, 26 insertions, 52 deletions
diff --git a/fs/block_dev.c b/fs/block_dev.c
index d8dc351..a063d4d 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -1660,12 +1660,8 @@ ssize_t blkdev_write_iter(struct kiocb *iocb, struct iov_iter *from)
blk_start_plug(&plug);
ret = __generic_file_write_iter(iocb, from);
- if (ret > 0) {
- ssize_t err;
- err = generic_write_sync(iocb, iocb->ki_pos - ret, ret);
- if (err < 0)
- ret = err;
- }
+ if (ret > 0)
+ ret = generic_write_sync(iocb, ret);
blk_finish_plug(&plug);
return ret;
}
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 35ce146..ea9f10b 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -1851,11 +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(iocb, 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/cifs/file.c b/fs/cifs/file.c
index b22b68c..9b51d49 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -2687,11 +2687,8 @@ cifs_writev(struct kiocb *iocb, struct iov_iter *from)
out:
inode_unlock(inode);
- if (rc > 0) {
- ssize_t err = generic_write_sync(iocb, iocb->ki_pos - rc, rc);
- if (err < 0)
- rc = err;
- }
+ if (rc > 0)
+ rc = generic_write_sync(iocb, rc);
up_read(&cinode->lock_sem);
return rc;
}
diff --git a/fs/direct-io.c b/fs/direct-io.c
index f7bcc01..3bf3f20 100644
--- a/fs/direct-io.c
+++ b/fs/direct-io.c
@@ -256,6 +256,7 @@ static ssize_t dio_complete(struct dio *dio, ssize_t ret, bool is_async)
if (dio->end_io) {
int err;
+ // XXX: ki_pos??
err = dio->end_io(dio->iocb, offset, ret, dio->private);
if (err)
ret = err;
@@ -265,15 +266,15 @@ static ssize_t dio_complete(struct dio *dio, ssize_t ret, bool is_async)
inode_dio_end(dio->inode);
if (is_async) {
- if (dio->rw & WRITE) {
- int err;
-
- err = generic_write_sync(dio->iocb, offset,
- transferred);
- if (err < 0 && ret > 0)
- ret = err;
- }
+ /*
+ * generic_write_sync expects ki_pos to have been updated
+ * already, but the submission path only does this for
+ * synchronous I/O.
+ */
+ dio->iocb->ki_pos += transferred;
+ if (dio->rw & WRITE)
+ ret = generic_write_sync(dio->iocb, transferred);
dio->iocb->ki_complete(dio->iocb, ret, 0);
}
diff --git a/fs/ext4/file.c b/fs/ext4/file.c
index 1417e12..00ff691 100644
--- a/fs/ext4/file.c
+++ b/fs/ext4/file.c
@@ -169,13 +169,8 @@ ext4_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
ret = __generic_file_write_iter(iocb, from);
inode_unlock(inode);
- if (ret > 0) {
- ssize_t err;
-
- err = generic_write_sync(iocb, iocb->ki_pos - ret, ret);
- if (err < 0)
- ret = err;
- }
+ if (ret > 0)
+ ret = generic_write_sync(iocb, ret);
if (o_direct)
blk_finish_plug(&plug);
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 51ed838..28f75a1 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -1882,13 +1882,8 @@ static ssize_t f2fs_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
}
inode_unlock(inode);
- if (ret > 0) {
- ssize_t err;
-
- err = generic_write_sync(iocb, iocb->ki_pos - ret, ret);
- if (err < 0)
- ret = err;
- }
+ if (ret > 0)
+ ret = generic_write_sync(iocb, ret);
return ret;
}
diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c
index be86de9..0b9fca0 100644
--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -1054,7 +1054,9 @@ ssize_t nfs_file_direct_write(struct kiocb *iocb, struct iov_iter *iter)
if (i_size_read(inode) < iocb->ki_pos)
i_size_write(inode, iocb->ki_pos);
spin_unlock(&inode->i_lock);
- generic_write_sync(iocb, pos, result);
+
+ /* XXX: should check the generic_write_sync retval */
+ generic_write_sync(iocb, result);
}
}
nfs_direct_req_release(dreq);
diff --git a/fs/ntfs/file.c b/fs/ntfs/file.c
index 10dc38c..5622ed5 100644
--- a/fs/ntfs/file.c
+++ b/fs/ntfs/file.c
@@ -1952,12 +1952,9 @@ static ssize_t ntfs_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
written = ntfs_perform_write(file, from, iocb->ki_pos);
current->backing_dev_info = NULL;
inode_unlock(vi);
- if (likely(written > 0)) {
- err = generic_write_sync(iocb, iocb->ki_pos, written);
- if (err < 0)
- written = 0;
- }
iocb->ki_pos += written;
+ if (likely(written > 0))
+ written = generic_write_sync(iocb, written);
return written ? written : err;
}
diff --git a/fs/udf/file.c b/fs/udf/file.c
index 8e3d1ae..6325706 100644
--- a/fs/udf/file.c
+++ b/fs/udf/file.c
@@ -152,9 +152,7 @@ out:
if (retval > 0) {
mark_inode_dirty(inode);
- err = generic_write_sync(iocb, iocb->ki_pos - retval, retval);
- if (err < 0)
- retval = err;
+ retval = generic_write_sync(iocb, retval);
}
return retval;
diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index b5d70e7..cd35409 100644
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -903,14 +903,10 @@ xfs_file_write_iter(
ret = xfs_file_buffered_aio_write(iocb, from);
if (ret > 0) {
- ssize_t err;
-
XFS_STATS_ADD(ip->i_mount, xs_write_bytes, ret);
/* Handle various SYNC-type writes */
- err = generic_write_sync(iocb, iocb->ki_pos - ret, ret);
- if (err < 0)
- ret = err;
+ ret = generic_write_sync(iocb, ret);
}
return ret;
}
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