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-rw-r--r--fs/cifs/connect.c11
-rw-r--r--fs/cifs/file.c8
-rw-r--r--fs/cifs/transport.c1
3 files changed, 17 insertions, 3 deletions
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 88f60aa52058..e488603fb1e7 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -1785,7 +1785,16 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
} else if(volume_info.wsize)
cifs_sb->wsize = volume_info.wsize;
else
- cifs_sb->wsize = CIFSMaxBufSize; /* default */
+ cifs_sb->wsize =
+ min_t(const int, PAGEVEC_SIZE * PAGE_CACHE_SIZE,
+ 127*1024);
+ /* old default of CIFSMaxBufSize was too small now
+ that SMB Write2 can send multiple pages in kvec.
+ RFC1001 does not describe what happens when frame
+ bigger than 128K is sent so use that as max in
+ conjunction with 52K kvec constraint on arch with 4K
+ page size */
+
if(cifs_sb->rsize < PAGE_CACHE_SIZE) {
cifs_sb->rsize = PAGE_CACHE_SIZE;
/* Windows ME does this */
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 77c990f0cb98..d17c97d07c80 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -1190,7 +1190,6 @@ retry:
/* BB what if continued retry is
requested via mount flags? */
set_bit(AS_EIO, &mapping->flags);
- SetPageError(page);
} else {
cifs_stats_bytes_written(cifs_sb->tcon,
bytes_written);
@@ -1198,6 +1197,13 @@ retry:
}
for (i = 0; i < n_iov; i++) {
page = pvec.pages[first + i];
+ /* Should we also set page error on
+ success rc but too little data written? */
+ /* BB investigate retry logic on temporary
+ server crash cases and how recovery works
+ when page marked as error */
+ if(rc)
+ SetPageError(page);
kunmap(page);
unlock_page(page);
page_cache_release(page);
diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c
index 7b98792150ea..b12cb8a7da7c 100644
--- a/fs/cifs/transport.c
+++ b/fs/cifs/transport.c
@@ -498,7 +498,6 @@ SendReceive2(const unsigned int xid, struct cifsSesInfo *ses,
else
*pRespBufType = CIFS_SMALL_BUFFER;
iov[0].iov_len = receive_len + 4;
- iov[1].iov_len = 0;
dump_smb(midQ->resp_buf, 80);
/* convert the length into a more usable form */