Signed-off-by: Pavel Shilovsky <pshilovsky@xxxxxxxxx>
---
fs/cifs/cifsglob.h | 3 +++
fs/cifs/file.c | 8 +++++++-
fs/cifs/smb1ops.c | 1 +
fs/cifs/smb2maperror.c | 3 ++-
4 files changed, 13 insertions(+), 2 deletions(-)
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 797c17a..e71ab49 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -172,6 +172,7 @@ struct dfs_info3_param;
struct cifs_fattr;
struct smb_vol;
struct cifs_fid;
+struct cifs_readdata;
struct smb_version_operations {
int (*send_cancel)(struct TCP_Server_Info *, void *,
@@ -280,6 +281,8 @@ struct smb_version_operations {
int (*close)(const unsigned int, struct cifs_tcon *, struct cifs_fid *);
/* send a flush request to the server */
int (*flush)(const unsigned int, struct cifs_tcon *, struct cifs_fid *);
+ /* async read from the server */
+ int (*async_readv)(struct cifs_readdata *);
};
struct smb_version_values {
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 3f2cfb3..81403ad 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -2481,6 +2481,9 @@ static int
cifs_retry_async_readv(struct cifs_readdata *rdata)
{
int rc;
+ struct TCP_Server_Info *server;
+
+ server = tlink_tcon(rdata->cfile->tlink)->ses->server;
do {
if (rdata->cfile->invalidHandle) {
@@ -2488,7 +2491,7 @@ cifs_retry_async_readv(struct cifs_readdata *rdata)
if (rc != 0)
continue;
}
- rc = cifs_async_readv(rdata);
+ rc = server->ops->async_readv(rdata);
} while (rc == -EAGAIN);
return rc;
@@ -2640,6 +2643,9 @@ cifs_iovec_read(struct file *file, const struct iovec *iov,
open_file = file->private_data;
tcon = tlink_tcon(open_file->tlink);
+ if (!tcon->ses->server->ops->async_readv)
+ return -ENOSYS;
+
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_RWPIDFORWARD)
pid = open_file->pid;
else
diff --git a/fs/cifs/smb1ops.c b/fs/cifs/smb1ops.c
index 7e8a2bd..e2dbd22 100644
--- a/fs/cifs/smb1ops.c
+++ b/fs/cifs/smb1ops.c
@@ -785,6 +785,7 @@ struct smb_version_operations smb1_operations = {
.set_fid = cifs_set_fid,
.close = cifs_close_file,
.flush = cifs_flush_file,
+ .async_readv = cifs_async_readv,
};
struct smb_version_values smb1_values = {
diff --git a/fs/cifs/smb2maperror.c b/fs/cifs/smb2maperror.c
index be41478..eaf5466 100644
--- a/fs/cifs/smb2maperror.c
+++ b/fs/cifs/smb2maperror.c
@@ -2455,7 +2455,8 @@ map_smb2_to_linux_error(char *buf, bool log_err)
return 0;
/* mask facility */
- if (log_err && (smb2err != (STATUS_MORE_PROCESSING_REQUIRED)))
+ if (log_err && (smb2err != STATUS_MORE_PROCESSING_REQUIRED) &&
+ (smb2err != STATUS_END_OF_FILE))
smb2_print_status(smb2err);
else if (cifsFYI & CIFS_RC)
smb2_print_status(smb2err);
--
1.7.1
--
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