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cifs: wait for tcon resource_id before getting fscache super

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The logic for initializing tcon->resource_id is done inside
cifs_root_iget. fscache super cookie relies on this for aux
data. So we need to push the fscache initialization to this
later point during mount.

Signed-off-by: Shyam Prasad N <sprasad@microsoft.com>
Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Signed-off-by: Steve French <stfrench@microsoft.com>
This commit is contained in:
Shyam Prasad N 2021-12-02 07:14:42 +00:00 committed by Steve French
parent 65de262a20
commit 5bf91ef03d
3 changed files with 8 additions and 7 deletions
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6
fs/cifs/connect.c
View File

@ -3046,12 +3046,6 @@ static int mount_get_conns(struct mount_ctx *mnt_ctx)
cifs_dbg(VFS, "read only mount of RW share\n");
/* no need to log a RW mount of a typical RW share */
}
/*
* The cookie is initialized from volume info returned above.
* Inside cifs_fscache_get_super_cookie it checks
* that we do not get super cookie twice.
*/
cifs_fscache_get_super_cookie(tcon);
}
/*

2
fs/cifs/fscache.c
View File

@ -92,7 +92,7 @@ void cifs_fscache_get_super_cookie(struct cifs_tcon *tcon)
* In the future, as we integrate with newer fscache features,
* we may want to instead add a check if cookie has changed
*/
if (tcon->fscache == NULL)
if (tcon->fscache)
return;
sharename = extract_sharename(tcon->treeName);

7
fs/cifs/inode.c
View File

@ -1376,6 +1376,13 @@ iget_no_retry:
inode = ERR_PTR(rc);
}
/*
* The cookie is initialized from volume info returned above.
* Inside cifs_fscache_get_super_cookie it checks
* that we do not get super cookie twice.
*/
cifs_fscache_get_super_cookie(tcon);
out:
kfree(path);
free_xid(xid);