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authorChristoph Hellwig <hch@lst.de>2016-04-07 08:52:00 -0700
committerAl Viro <viro@zeniv.linux.org.uk>2016-05-01 19:58:39 -0400
commitdde0c2e79848298cc25621ad080d47f94dbd7cce (patch)
tree678f9ff7cba4bb170db9985266efd62521561f46 /fs
parent716b9bc0cb50b1c2c15ef6a255c88508350e3462 (diff)
downloadop-kernel-dev-dde0c2e79848298cc25621ad080d47f94dbd7cce.zip
op-kernel-dev-dde0c2e79848298cc25621ad080d47f94dbd7cce.tar.gz
fs: add IOCB_SYNC and IOCB_DSYNC
This will allow us to do per-I/O sync file writes, as required by a lot of fileservers or storage targets. XXX: Will need a few additional audits for O_DSYNC Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs')
-rw-r--r--fs/block_dev.c2
-rw-r--r--fs/btrfs/file.c2
-rw-r--r--fs/cifs/file.c2
-rw-r--r--fs/direct-io.c2
-rw-r--r--fs/ext4/file.c2
-rw-r--r--fs/f2fs/file.c2
-rw-r--r--fs/gfs2/file.c5
-rw-r--r--fs/nfs/direct.c2
-rw-r--r--fs/ntfs/file.c2
-rw-r--r--fs/udf/file.c2
-rw-r--r--fs/xfs/xfs_file.c2
11 files changed, 14 insertions, 11 deletions
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 9e1f3fe..d8dc351 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -1662,7 +1662,7 @@ ssize_t blkdev_write_iter(struct kiocb *iocb, struct iov_iter *from)
ret = __generic_file_write_iter(iocb, from);
if (ret > 0) {
ssize_t err;
- err = generic_write_sync(file, iocb->ki_pos - ret, ret);
+ err = generic_write_sync(iocb, iocb->ki_pos - ret, ret);
if (err < 0)
ret = err;
}
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 6c37631..35ce146 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -1852,7 +1852,7 @@ static ssize_t btrfs_file_write_iter(struct kiocb *iocb,
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);
+ err = generic_write_sync(iocb, pos, num_written);
if (err < 0)
num_written = err;
}
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index cb070aa..b22b68c 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -2688,7 +2688,7 @@ out:
inode_unlock(inode);
if (rc > 0) {
- ssize_t err = generic_write_sync(file, iocb->ki_pos - rc, rc);
+ ssize_t err = generic_write_sync(iocb, iocb->ki_pos - rc, rc);
if (err < 0)
rc = err;
}
diff --git a/fs/direct-io.c b/fs/direct-io.c
index c61314b..f7bcc01 100644
--- a/fs/direct-io.c
+++ b/fs/direct-io.c
@@ -268,7 +268,7 @@ static ssize_t dio_complete(struct dio *dio, ssize_t ret, bool is_async)
if (dio->rw & WRITE) {
int err;
- err = generic_write_sync(dio->iocb->ki_filp, offset,
+ err = generic_write_sync(dio->iocb, offset,
transferred);
if (err < 0 && ret > 0)
ret = err;
diff --git a/fs/ext4/file.c b/fs/ext4/file.c
index fa2208b..1417e12 100644
--- a/fs/ext4/file.c
+++ b/fs/ext4/file.c
@@ -172,7 +172,7 @@ ext4_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
if (ret > 0) {
ssize_t err;
- err = generic_write_sync(file, iocb->ki_pos - ret, ret);
+ err = generic_write_sync(iocb, iocb->ki_pos - ret, ret);
if (err < 0)
ret = err;
}
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 443e077..51ed838 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -1885,7 +1885,7 @@ static ssize_t f2fs_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
if (ret > 0) {
ssize_t err;
- err = generic_write_sync(file, iocb->ki_pos - ret, ret);
+ err = generic_write_sync(iocb, iocb->ki_pos - ret, ret);
if (err < 0)
ret = err;
}
diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c
index 208efc7..5a7d696 100644
--- a/fs/gfs2/file.c
+++ b/fs/gfs2/file.c
@@ -895,7 +895,10 @@ static long __gfs2_fallocate(struct file *file, int mode, loff_t offset, loff_t
mark_inode_dirty(inode);
}
- return generic_write_sync(file, pos, count);
+ if ((file->f_flags & O_DSYNC) || IS_SYNC(file->f_mapping->host))
+ return vfs_fsync_range(file, pos, pos + count - 1,
+ (file->f_flags & __O_SYNC) ? 0 : 1);
+ return 0;
out_trans_fail:
gfs2_inplace_release(ip);
diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c
index 346b5d8..be86de9 100644
--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -1054,7 +1054,7 @@ 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(file, pos, result);
+ generic_write_sync(iocb, pos, result);
}
}
nfs_direct_req_release(dreq);
diff --git a/fs/ntfs/file.c b/fs/ntfs/file.c
index 91117ad..10dc38c 100644
--- a/fs/ntfs/file.c
+++ b/fs/ntfs/file.c
@@ -1953,7 +1953,7 @@ static ssize_t ntfs_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
current->backing_dev_info = NULL;
inode_unlock(vi);
if (likely(written > 0)) {
- err = generic_write_sync(file, iocb->ki_pos, written);
+ err = generic_write_sync(iocb, iocb->ki_pos, written);
if (err < 0)
written = 0;
}
diff --git a/fs/udf/file.c b/fs/udf/file.c
index 7ab8d81..8e3d1ae 100644
--- a/fs/udf/file.c
+++ b/fs/udf/file.c
@@ -152,7 +152,7 @@ out:
if (retval > 0) {
mark_inode_dirty(inode);
- err = generic_write_sync(file, iocb->ki_pos - retval, retval);
+ err = generic_write_sync(iocb, iocb->ki_pos - retval, retval);
if (err < 0)
retval = err;
}
diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index 5de047a..b5d70e7 100644
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -908,7 +908,7 @@ xfs_file_write_iter(
XFS_STATS_ADD(ip->i_mount, xs_write_bytes, ret);
/* Handle various SYNC-type writes */
- err = generic_write_sync(file, iocb->ki_pos - ret, ret);
+ err = generic_write_sync(iocb, iocb->ki_pos - ret, ret);
if (err < 0)
ret = err;
}
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