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OpenCloudOS-Kernel
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fold cifs_iovec_read() into its (only) caller 

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2014-02-04 14:19:48 -05:00
parent 7f25bba819
commit 0165e8100b
1 changed files with 9 additions and 18 deletions
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27
fs/cifs/file.c
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@ -2808,14 +2808,14 @@ cifs_uncached_read_into_pages(struct TCP_Server_Info *server,
return total_read > 0 ? total_read : result;
}
static ssize_t
cifs_iovec_read(struct file *file, const struct iovec *iov,
unsigned long nr_segs, loff_t *poffset)
ssize_t cifs_user_readv(struct kiocb *iocb, const struct iovec *iov,
unsigned long nr_segs, loff_t pos)
{
struct file *file = iocb->ki_filp;
ssize_t rc;
size_t len, cur_len;
ssize_t total_read = 0;
loff_t offset = *poffset;
loff_t offset = pos;
unsigned int npages;
struct cifs_sb_info *cifs_sb;
struct cifs_tcon *tcon;
@ -2919,25 +2919,16 @@ error:
total_read = len - iov_iter_count(&to);
cifs_stats_bytes_read(tcon, total_read);
*poffset += total_read;
/* mask nodata case */
if (rc == -ENODATA)
rc = 0;
return total_read ? total_read : rc;
}
ssize_t cifs_user_readv(struct kiocb *iocb, const struct iovec *iov,
unsigned long nr_segs, loff_t pos)
{
ssize_t read;
read = cifs_iovec_read(iocb->ki_filp, iov, nr_segs, &pos);
if (read > 0)
iocb->ki_pos = pos;
return read;
if (total_read) {
iocb->ki_pos = pos + total_read;
return total_read;
}
return rc;
}
ssize_t