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Merge git://git.samba.org/sfrench/cifs-2.6

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Pull CIFS fixes from Steve French.

* git://git.samba.org/sfrench/cifs-2.6:
  fs/cifs: fix parsing of dfs referrals
  cifs: make sure we ignore the credentials= and cred= options
  [CIFS] Update cifs version to 1.78
  cifs - check S_AUTOMOUNT in revalidate
  cifs: add missing initialization of server->req_lock
  cifs: don't cap ra_pages at the same level as default_backing_dev_info
  CIFS: Fix indentation in cifs_show_options
This commit is contained in:
Linus Torvalds 2012-05-04 15:34:21 -07:00
commit c6de1687f5
5 changed files with 23 additions and 25 deletions
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2
fs/cifs/cifsfs.c
View File

@ -442,7 +442,7 @@ cifs_show_options(struct seq_file *s, struct dentry *root)
seq_printf(s, ",rsize=%u", cifs_sb->rsize);
seq_printf(s, ",wsize=%u", cifs_sb->wsize);
/* convert actimeo and display it in seconds */
seq_printf(s, ",actimeo=%lu", cifs_sb->actimeo / HZ);
seq_printf(s, ",actimeo=%lu", cifs_sb->actimeo / HZ);
return 0;
}

2
fs/cifs/cifsfs.h
View File

@ -125,5 +125,5 @@ extern long cifs_ioctl(struct file *filep, unsigned int cmd, unsigned long arg);
extern const struct export_operations cifs_export_ops;
#endif /* CONFIG_CIFS_NFSD_EXPORT */
#define CIFS_VERSION "1.77"
#define CIFS_VERSION "1.78"
#endif /* _CIFSFS_H */

6
fs/cifs/cifssmb.c
View File

@ -4844,8 +4844,12 @@ parse_DFS_referrals(TRANSACTION2_GET_DFS_REFER_RSP *pSMBr,
max_len = data_end - temp;
node->node_name = cifs_strndup_from_utf16(temp, max_len,
is_unicode, nls_codepage);
if (!node->node_name)
if (!node->node_name) {
rc = -ENOMEM;
goto parse_DFS_referrals_exit;
}
ref++;
}
parse_DFS_referrals_exit:

21
fs/cifs/connect.c
View File

@ -215,6 +215,8 @@ static const match_table_t cifs_mount_option_tokens = {
{ Opt_ignore, "cred" },
{ Opt_ignore, "credentials" },
{ Opt_ignore, "cred=%s" },
{ Opt_ignore, "credentials=%s" },
{ Opt_ignore, "guest" },
{ Opt_ignore, "rw" },
{ Opt_ignore, "ro" },
@ -2183,6 +2185,7 @@ cifs_get_tcp_session(struct smb_vol *volume_info)
tcp_ses->session_estab = false;
tcp_ses->sequence_number = 0;
tcp_ses->lstrp = jiffies;
spin_lock_init(&tcp_ses->req_lock);
INIT_LIST_HEAD(&tcp_ses->tcp_ses_list);
INIT_LIST_HEAD(&tcp_ses->smb_ses_list);
INIT_DELAYED_WORK(&tcp_ses->echo, cifs_echo_request);
@ -3614,22 +3617,6 @@ cifs_get_volume_info(char *mount_data, const char *devname)
return volume_info;
}
/* make sure ra_pages is a multiple of rsize */
static inline unsigned int
cifs_ra_pages(struct cifs_sb_info *cifs_sb)
{
unsigned int reads;
unsigned int rsize_pages = cifs_sb->rsize / PAGE_CACHE_SIZE;
if (rsize_pages >= default_backing_dev_info.ra_pages)
return default_backing_dev_info.ra_pages;
else if (rsize_pages == 0)
return rsize_pages;
reads = default_backing_dev_info.ra_pages / rsize_pages;
return reads * rsize_pages;
}
int
cifs_mount(struct cifs_sb_info *cifs_sb, struct smb_vol *volume_info)
{
@ -3717,7 +3704,7 @@ cifs_mount(struct cifs_sb_info *cifs_sb, struct smb_vol *volume_info)
cifs_sb->rsize = cifs_negotiate_rsize(tcon, volume_info);
/* tune readahead according to rsize */
cifs_sb->bdi.ra_pages = cifs_ra_pages(cifs_sb);
cifs_sb->bdi.ra_pages = cifs_sb->rsize / PAGE_CACHE_SIZE;
remote_path_check:
#ifdef CONFIG_CIFS_DFS_UPCALL

17
fs/cifs/dir.c
View File

@ -668,12 +668,19 @@ cifs_d_revalidate(struct dentry *direntry, struct nameidata *nd)
return 0;
else {
/*
* Forcibly invalidate automounting directory inodes
* (remote DFS directories) so to have them
* instantiated again for automount
* If the inode wasn't known to be a dfs entry when
* the dentry was instantiated, such as when created
* via ->readdir(), it needs to be set now since the
* attributes will have been updated by
* cifs_revalidate_dentry().
*/
if (IS_AUTOMOUNT(direntry->d_inode))
return 0;
if (IS_AUTOMOUNT(direntry->d_inode) &&
!(direntry->d_flags & DCACHE_NEED_AUTOMOUNT)) {
spin_lock(&direntry->d_lock);
direntry->d_flags |= DCACHE_NEED_AUTOMOUNT;
spin_unlock(&direntry->d_lock);
}
return 1;
}
}