diff options
Diffstat (limited to 'fs/cifs/file.c')
| -rw-r--r-- | fs/cifs/file.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/fs/cifs/file.c b/fs/cifs/file.c index 8f6917816fe..a3b545ff525 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -1758,6 +1758,7 @@ cifs_iovec_read(struct file *file, const struct iovec *iov, struct smb_com_read_rsp *pSMBr; struct cifs_io_parms io_parms; char *read_data; + unsigned int rsize; __u32 pid; if (!nr_segs) @@ -1770,6 +1771,9 @@ cifs_iovec_read(struct file *file, const struct iovec *iov, xid = GetXid(); cifs_sb = CIFS_SB(file->f_path.dentry->d_sb); + /* FIXME: set up handlers for larger reads and/or convert to async */ + rsize = min_t(unsigned int, cifs_sb->rsize, CIFSMaxBufSize); + open_file = file->private_data; pTcon = tlink_tcon(open_file->tlink); @@ -1782,7 +1786,7 @@ cifs_iovec_read(struct file *file, const struct iovec *iov, cFYI(1, "attempting read on write only file instance"); for (total_read = 0; total_read < len; total_read += bytes_read) { - cur_len = min_t(const size_t, len - total_read, cifs_sb->rsize); + cur_len = min_t(const size_t, len - total_read, rsize); rc = -EAGAIN; read_data = NULL; @@ -1874,6 +1878,7 @@ static ssize_t cifs_read(struct file *file, char *read_data, size_t read_size, unsigned int bytes_read = 0; unsigned int total_read; unsigned int current_read_size; + unsigned int rsize; struct cifs_sb_info *cifs_sb; struct cifs_tcon *pTcon; int xid; @@ -1886,6 +1891,9 @@ static ssize_t cifs_read(struct file *file, char *read_data, size_t read_size, xid = GetXid(); cifs_sb = CIFS_SB(file->f_path.dentry->d_sb); + /* FIXME: set up handlers for larger reads and/or convert to async */ + rsize = min_t(unsigned int, cifs_sb->rsize, CIFSMaxBufSize); + if (file->private_data == NULL) { rc = -EBADF; FreeXid(xid); @@ -1905,8 +1913,8 @@ static ssize_t cifs_read(struct file *file, char *read_data, size_t read_size, for (total_read = 0, current_offset = read_data; read_size > total_read; total_read += bytes_read, current_offset += bytes_read) { - current_read_size = min_t(uint, read_size - total_read, - cifs_sb->rsize); + current_read_size = min_t(uint, read_size - total_read, rsize); + /* For windows me and 9x we do not want to request more than it negotiated since it will refuse the read then */ if ((pTcon->ses) && |