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smb: client: introduce DFS_CACHE_TGT_LIST()

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Add new helper which declares and initialises target list of a DFS
referral rather having to do both separately.

No functional changes.

Signed-off-by: Paulo Alcantara (SUSE) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
This commit is contained in:
Paulo Alcantara 2023-08-17 12:33:59 -03:00 committed by Steve French
parent 706a741595
commit 3fea12f3c6
4 changed files with 12 additions and 8 deletions
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4
fs/smb/client/connect.c
View File

@ -453,10 +453,10 @@ static int reconnect_target_unlocked(struct TCP_Server_Info *server, struct dfs_
static int reconnect_dfs_server(struct TCP_Server_Info *server)
{
int rc = 0;
struct dfs_cache_tgt_list tl = DFS_CACHE_TGT_LIST_INIT(tl);
struct dfs_cache_tgt_iterator *target_hint = NULL;
DFS_CACHE_TGT_LIST(tl);
int num_targets = 0;
int rc = 0;
/*
* Determine the number of dfs targets the referral path in @cifs_sb resolves to.

6
fs/smb/client/dfs.c
View File

@ -174,7 +174,7 @@ static int __dfs_mount_share(struct cifs_mount_ctx *mnt_ctx)
}
do {
struct dfs_cache_tgt_list tl = DFS_CACHE_TGT_LIST_INIT(tl);
DFS_CACHE_TGT_LIST(tl);
rc = dfs_get_referral(mnt_ctx, ref_path + 1, NULL, &tl);
if (rc) {
@ -426,7 +426,7 @@ static int __tree_connect_dfs_target(const unsigned int xid, struct cifs_tcon *t
/* Try to tree connect to all dfs targets */
for (; tit; tit = dfs_cache_get_next_tgt(tl, tit)) {
const char *target = dfs_cache_get_tgt_name(tit);
struct dfs_cache_tgt_list ntl = DFS_CACHE_TGT_LIST_INIT(ntl);
DFS_CACHE_TGT_LIST(ntl);
kfree(share);
kfree(prefix);
@ -520,7 +520,7 @@ int cifs_tree_connect(const unsigned int xid, struct cifs_tcon *tcon, const stru
int rc;
struct TCP_Server_Info *server = tcon->ses->server;
const struct smb_version_operations *ops = server->ops;
struct dfs_cache_tgt_list tl = DFS_CACHE_TGT_LIST_INIT(tl);
DFS_CACHE_TGT_LIST(tl);
struct cifs_sb_info *cifs_sb = NULL;
struct super_block *sb = NULL;
struct dfs_info3_param ref = {0};

4
fs/smb/client/dfs_cache.c
View File

@ -1177,9 +1177,9 @@ static bool is_ses_good(struct cifs_ses *ses)
/* Refresh dfs referral of tcon and mark it for reconnect if needed */
static int __refresh_tcon(const char *path, struct cifs_ses *ses, bool force_refresh)
{
struct dfs_cache_tgt_list old_tl = DFS_CACHE_TGT_LIST_INIT(old_tl);
struct dfs_cache_tgt_list new_tl = DFS_CACHE_TGT_LIST_INIT(new_tl);
struct TCP_Server_Info *server = ses->server;
DFS_CACHE_TGT_LIST(old_tl);
DFS_CACHE_TGT_LIST(new_tl);
bool needs_refresh = false;
struct cache_entry *ce;
unsigned int xid;

6
fs/smb/client/dfs_cache.h
View File

@ -16,7 +16,11 @@
extern struct workqueue_struct *dfscache_wq;
extern atomic_t dfs_cache_ttl;
#define DFS_CACHE_TGT_LIST_INIT(var) { .tl_numtgts = 0, .tl_list = LIST_HEAD_INIT((var).tl_list), }
#define DFS_CACHE_TGT_LIST_INIT(var) \
{ .tl_numtgts = 0, .tl_list = LIST_HEAD_INIT((var).tl_list), }
#define DFS_CACHE_TGT_LIST(var) \
struct dfs_cache_tgt_list var = DFS_CACHE_TGT_LIST_INIT(var)
struct dfs_cache_tgt_list {
int tl_numtgts;