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authorPavel Shilovsky2011-01-24 20:16:35 +0100
committerSteve French2011-01-25 20:30:13 +0100
commit72432ffcf555decbbae47f1be338e1d2f210aa69 (patch)
tree4293cb6e5b880071099756b7523f8f36bb7e16cc /fs/cifs/cifsfs.c
parent[CIFS] Replace cifs md5 hashing functions with kernel crypto APIs (diff)
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CIFS: Implement cifs_strict_writev (try #4)
If we don't have Exclusive oplock we write a data to the server. Also set invalidate_mapping flag on the inode if we wrote something to the server. Add cifs_iovec_write to let the client write iovec buffers through CIFSSMBWrite2. Signed-off-by: Pavel Shilovsky <piastryyy@gmail.com> Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'fs/cifs/cifsfs.c')
-rw-r--r--fs/cifs/cifsfs.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index a8323f1dc1c4..f2970136d17d 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -600,10 +600,17 @@ static ssize_t cifs_file_aio_write(struct kiocb *iocb, const struct iovec *iov,
{
struct inode *inode = iocb->ki_filp->f_path.dentry->d_inode;
ssize_t written;
+ int rc;
written = generic_file_aio_write(iocb, iov, nr_segs, pos);
- if (!CIFS_I(inode)->clientCanCacheAll)
- filemap_fdatawrite(inode->i_mapping);
+
+ if (CIFS_I(inode)->clientCanCacheAll)
+ return written;
+
+ rc = filemap_fdatawrite(inode->i_mapping);
+ if (rc)
+ cFYI(1, "cifs_file_aio_write: %d rc on %p inode", rc, inode);
+
return written;
}
@@ -737,7 +744,7 @@ const struct file_operations cifs_file_strict_ops = {
.read = do_sync_read,
.write = do_sync_write,
.aio_read = cifs_strict_readv,
- .aio_write = cifs_file_aio_write,
+ .aio_write = cifs_strict_writev,
.open = cifs_open,
.release = cifs_close,
.lock = cifs_lock,
@@ -793,7 +800,7 @@ const struct file_operations cifs_file_strict_nobrl_ops = {
.read = do_sync_read,
.write = do_sync_write,
.aio_read = cifs_strict_readv,
- .aio_write = cifs_file_aio_write,
+ .aio_write = cifs_strict_writev,
.open = cifs_open,
.release = cifs_close,
.fsync = cifs_strict_fsync,