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cifs: pull cifs_mount() call up 

... to the point prior to sget().  Now we have cifs_sb set up early
enough.

Acked-by: Pavel Shilovsky <piastryyy@gmail.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2011-06-17 09:29:57 -04:00
parent 2a9b99516c
commit 97d1152ace
1 changed files with 15 additions and 12 deletions
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27
fs/cifs/cifsfs.c
View File

@ -104,8 +104,7 @@ cifs_sb_deactive(struct super_block *sb)
}
static int
cifs_read_super(struct super_block *sb, struct smb_vol *volume_info,
const char *devname, int silent)
cifs_read_super(struct super_block *sb)
{
struct inode *inode;
struct cifs_sb_info *cifs_sb;
@ -113,14 +112,6 @@ cifs_read_super(struct super_block *sb, struct smb_vol *volume_info,
cifs_sb = CIFS_SB(sb);
rc = cifs_mount(cifs_sb, volume_info);
if (rc) {
if (!silent)
cERROR(1, "cifs_mount failed w/return code = %d", rc);
return rc;
}
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_POSIXACL)
sb->s_flags |= MS_POSIXACL;
@ -692,6 +683,17 @@ cifs_do_mount(struct file_system_type *fs_type,
cifs_setup_cifs_sb(volume_info, cifs_sb);
rc = cifs_mount(cifs_sb, volume_info);
if (rc) {
if (!(flags & MS_SILENT))
cERROR(1, "cifs_mount failed w/return code = %d", rc);
root = ERR_PTR(rc);
unload_nls(volume_info->local_nls);
kfree(cifs_sb->mountdata);
kfree(cifs_sb);
goto out;
}
mnt_data.vol = volume_info;
mnt_data.cifs_sb = cifs_sb;
mnt_data.flags = flags;
@ -699,11 +701,13 @@ cifs_do_mount(struct file_system_type *fs_type,
sb = sget(fs_type, cifs_match_super, set_anon_super, &mnt_data);
if (IS_ERR(sb)) {
root = ERR_CAST(sb);
cifs_umount(cifs_sb);
goto out_cifs_sb;
}
if (sb->s_fs_info) {
cFYI(1, "Use existing superblock");
cifs_umount(cifs_sb);
kfree(cifs_sb->mountdata);
unload_nls(cifs_sb->local_nls);
kfree(cifs_sb);
@ -715,8 +719,7 @@ cifs_do_mount(struct file_system_type *fs_type,
sb->s_flags |= MS_NODIRATIME | MS_NOATIME;
sb->s_fs_info = cifs_sb;
rc = cifs_read_super(sb, volume_info, dev_name,
flags & MS_SILENT ? 1 : 0);
rc = cifs_read_super(sb);
if (rc) {
root = ERR_PTR(rc);
goto out_super;