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cifs: move the check for nohandlecache into open_shroot 

instead of doing it in the callsites for open_shroot.

Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
This commit is contained in:
Ronnie Sahlberg 2021-03-09 09:07:27 +10:00 committed by Steve French
parent 991e72eb0e
commit 4df3d976dd
2 changed files with 19 additions and 21 deletions
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24
fs/cifs/smb2inode.c
View File

@ -512,7 +512,6 @@ smb2_query_path_info(const unsigned int xid, struct cifs_tcon *tcon,
int rc;
struct smb2_file_all_info *smb2_data;
__u32 create_options = 0;
bool no_cached_open = tcon->nohandlecache;
struct cifsFileInfo *cfile;
struct cached_fid *cfid = NULL;
@ -525,23 +524,22 @@ smb2_query_path_info(const unsigned int xid, struct cifs_tcon *tcon,
return -ENOMEM;
/* If it is a root and its handle is cached then use it */
if (!strlen(full_path) && !no_cached_open) {
if (!strlen(full_path)) {
rc = open_shroot(xid, tcon, cifs_sb, &cfid);
if (rc)
goto out;
if (tcon->crfid.file_all_info_is_valid) {
move_smb2_info_to_cifs(data,
if (!rc) {
if (tcon->crfid.file_all_info_is_valid) {
move_smb2_info_to_cifs(data,
&tcon->crfid.file_all_info);
} else {
rc = SMB2_query_info(xid, tcon,
} else {
rc = SMB2_query_info(xid, tcon,
cfid->fid->persistent_fid,
cfid->fid->volatile_fid, smb2_data);
if (!rc)
move_smb2_info_to_cifs(data, smb2_data);
if (!rc)
move_smb2_info_to_cifs(data, smb2_data);
}
close_shroot(cfid);
goto out;
}
close_shroot(cfid);
goto out;
}
cifs_get_readable_path(tcon, full_path, &cfile);

16
fs/cifs/smb2ops.c
View File

@ -746,6 +746,9 @@ int open_shroot(unsigned int xid, struct cifs_tcon *tcon,
u8 oplock = SMB2_OPLOCK_LEVEL_II;
struct cifs_fid *pfid;
if (tcon->nohandlecache)
return -ENOTSUPP;
mutex_lock(&tcon->crfid.fid_mutex);
if (tcon->crfid.is_valid) {
cifs_dbg(FYI, "found a cached root file handle\n");
@ -914,7 +917,6 @@ smb3_qfs_tcon(const unsigned int xid, struct cifs_tcon *tcon,
u8 oplock = SMB2_OPLOCK_LEVEL_NONE;
struct cifs_open_parms oparms;
struct cifs_fid fid;
bool no_cached_open = tcon->nohandlecache;
struct cached_fid *cfid = NULL;
oparms.tcon = tcon;
@ -924,14 +926,12 @@ smb3_qfs_tcon(const unsigned int xid, struct cifs_tcon *tcon,
oparms.fid = &fid;
oparms.reconnect = false;
if (no_cached_open) {
rc = open_shroot(xid, tcon, cifs_sb, &cfid);
if (rc == 0)
memcpy(&fid, cfid->fid, sizeof(struct cifs_fid));
else
rc = SMB2_open(xid, &oparms, &srch_path, &oplock, NULL, NULL,
NULL, NULL);
} else {
rc = open_shroot(xid, tcon, cifs_sb, &cfid);
if (rc == 0)
memcpy(&fid, cfid->fid, sizeof(struct cifs_fid));
}
if (rc)
return;
@ -945,7 +945,7 @@ smb3_qfs_tcon(const unsigned int xid, struct cifs_tcon *tcon,
FS_VOLUME_INFORMATION);
SMB2_QFS_attr(xid, tcon, fid.persistent_fid, fid.volatile_fid,
FS_SECTOR_SIZE_INFORMATION); /* SMB3 specific */
if (no_cached_open)
if (cfid == NULL)
SMB2_close(xid, tcon, fid.persistent_fid, fid.volatile_fid);
else
close_shroot(cfid);