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author | Jeff Layton <jlayton@redhat.com> | 2010-09-29 23:51:11 (GMT) |
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committer | Steve French <sfrench@us.ibm.com> | 2010-10-06 16:12:44 (GMT) |
commit | 7ffec372458d163492e56e663a1b3a2d7be0a0a2 (patch) | |
tree | e404e3d1000ff41e9b27d0ecb4d6a47187e110d7 /fs/cifs/file.c | |
parent | f3983c2133e9bea9c8b4f690737d15e3e9b02491 (diff) | |
download | linux-fsl-qoriq-7ffec372458d163492e56e663a1b3a2d7be0a0a2.tar.xz |
cifs: add refcounted and timestamped container for holding tcons
Eventually, we'll need to track the use of tcons on a per-sb basis, so that
we know when it's ok to tear them down. Begin this conversion by adding a
new "tcon_link" struct and accessors that get it. For now, the core data
structures are untouched -- cifs_sb still just points to a single tcon and
the pointers are just cast to deal with the accessor functions. A later
patch will flesh this out.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'fs/cifs/file.c')
-rw-r--r-- | fs/cifs/file.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/fs/cifs/file.c b/fs/cifs/file.c index de046e1..1e375ab 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -224,6 +224,7 @@ int cifs_open(struct inode *inode, struct file *file) __u32 oplock; struct cifs_sb_info *cifs_sb; struct cifsTconInfo *tcon; + struct tcon_link *tlink; struct cifsFileInfo *pCifsFile = NULL; struct cifsInodeInfo *pCifsInode; char *full_path = NULL; @@ -235,7 +236,12 @@ int cifs_open(struct inode *inode, struct file *file) xid = GetXid(); cifs_sb = CIFS_SB(inode->i_sb); - tcon = cifs_sb_tcon(cifs_sb); + tlink = cifs_sb_tlink(cifs_sb); + if (IS_ERR(tlink)) { + FreeXid(xid); + return PTR_ERR(tlink); + } + tcon = tlink_tcon(tlink); pCifsInode = CIFS_I(file->f_path.dentry->d_inode); @@ -402,6 +408,7 @@ out: kfree(buf); kfree(full_path); FreeXid(xid); + cifs_put_tlink(tlink); return rc; } |