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-rw-r--r--fs/cifs/cifsglob.h2
-rw-r--r--fs/cifs/file.c2
-rw-r--r--fs/cifs/misc.c2
-rw-r--r--fs/cifs/smb2ops.c3
-rw-r--r--fs/cifs/smb2pdu.c5
5 files changed, 13 insertions, 1 deletions
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 26f497bd97df..ed1e0fcb69e3 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -932,6 +932,8 @@ struct cifs_tcon {
struct list_head tcon_list;
int tc_count;
struct list_head rlist; /* reconnect list */
+ atomic_t num_local_opens; /* num of all opens including disconnected */
+ atomic_t num_remote_opens; /* num of all network opens on server */
struct list_head openFileList;
spinlock_t open_file_lock; /* protects list above */
struct cifs_ses *ses; /* pointer to session associated with */
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 84477e995246..c620d4b5d5d4 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -334,6 +334,7 @@ cifs_new_fileinfo(struct cifs_fid *fid, struct file *file,
server->ops->set_fid(cfile, fid, oplock);
list_add(&cfile->tlist, &tcon->openFileList);
+ atomic_inc(&tcon->num_local_opens);
/* if readable file instance put first in list*/
if (file->f_mode & FMODE_READ)
@@ -395,6 +396,7 @@ void cifsFileInfo_put(struct cifsFileInfo *cifs_file)
/* remove it from the lists */
list_del(&cifs_file->flist);
list_del(&cifs_file->tlist);
+ atomic_dec(&tcon->num_local_opens);
if (list_empty(&cifsi->openFileList)) {
cifs_dbg(FYI, "closing last open instance for inode %p\n",
diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c
index 6926685e513c..fc43d5d25d1d 100644
--- a/fs/cifs/misc.c
+++ b/fs/cifs/misc.c
@@ -123,6 +123,8 @@ tconInfoAlloc(void)
ret_buf->crfid.fid = kzalloc(sizeof(struct cifs_fid),
GFP_KERNEL);
spin_lock_init(&ret_buf->stat_lock);
+ atomic_set(&ret_buf->num_local_opens, 0);
+ atomic_set(&ret_buf->num_remote_opens, 0);
}
return ret_buf;
}
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index e35a753eca20..f85fc5aa2710 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -1023,6 +1023,9 @@ smb2_print_stats(struct seq_file *m, struct cifs_tcon *tcon)
seq_printf(m, "\nBytes read: %llu Bytes written: %llu",
(long long)(tcon->bytes_read),
(long long)(tcon->bytes_written));
+ seq_printf(m, "\nOpen files: %d total (local), %d open on server",
+ atomic_read(&tcon->num_local_opens),
+ atomic_read(&tcon->num_remote_opens));
seq_printf(m, "\nTreeConnects: %d total %d failed",
atomic_read(&sent[SMB2_TREE_CONNECT_HE]),
atomic_read(&failed[SMB2_TREE_CONNECT_HE]));
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 1310bb355e32..5a08c8f6a322 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -1478,7 +1478,7 @@ SMB2_tcon(const unsigned int xid, struct cifs_ses *ses, const char *tree,
/* SMB2 TREE_CONNECT request must be called with TreeId == 0 */
tcon->tid = 0;
-
+ atomic_set(&tcon->num_remote_opens, 0);
rc = smb2_plain_req_init(SMB2_TREE_CONNECT, tcon, (void **) &req,
&total_len);
if (rc) {
@@ -2303,6 +2303,7 @@ SMB2_open(const unsigned int xid, struct cifs_open_parms *oparms, __le16 *path,
ses->Suid, oparms->create_options,
oparms->desired_access);
+ atomic_inc(&tcon->num_remote_opens);
oparms->fid->persistent_fid = rsp->PersistentFileId;
oparms->fid->volatile_fid = rsp->VolatileFileId;
@@ -2577,6 +2578,8 @@ SMB2_close_flags(const unsigned int xid, struct cifs_tcon *tcon,
goto close_exit;
}
+ atomic_dec(&tcon->num_remote_opens);
+
/* BB FIXME - decode close response, update inode for caching */
close_exit: