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Diffstat (limited to 'fs/smb/client/smb2ops.c')
-rw-r--r--fs/smb/client/smb2ops.c126
1 files changed, 76 insertions, 50 deletions
diff --git a/fs/smb/client/smb2ops.c b/fs/smb/client/smb2ops.c
index 2ed456948f34..4ce6c3121a7e 100644
--- a/fs/smb/client/smb2ops.c
+++ b/fs/smb/client/smb2ops.c
@@ -217,8 +217,8 @@ smb2_get_credits(struct mid_q_entry *mid)
}
static int
-smb2_wait_mtu_credits(struct TCP_Server_Info *server, unsigned int size,
- unsigned int *num, struct cifs_credits *credits)
+smb2_wait_mtu_credits(struct TCP_Server_Info *server, size_t size,
+ size_t *num, struct cifs_credits *credits)
{
int rc = 0;
unsigned int scredits, in_flight;
@@ -1412,14 +1412,14 @@ smb2_set_fid(struct cifsFileInfo *cfile, struct cifs_fid *fid, __u32 oplock)
memcpy(cfile->fid.create_guid, fid->create_guid, 16);
}
-static void
+static int
smb2_close_file(const unsigned int xid, struct cifs_tcon *tcon,
struct cifs_fid *fid)
{
- SMB2_close(xid, tcon, fid->persistent_fid, fid->volatile_fid);
+ return SMB2_close(xid, tcon, fid->persistent_fid, fid->volatile_fid);
}
-static void
+static int
smb2_close_getattr(const unsigned int xid, struct cifs_tcon *tcon,
struct cifsFileInfo *cfile)
{
@@ -1430,7 +1430,7 @@ smb2_close_getattr(const unsigned int xid, struct cifs_tcon *tcon,
rc = __SMB2_close(xid, tcon, cfile->fid.persistent_fid,
cfile->fid.volatile_fid, &file_inf);
if (rc)
- return;
+ return rc;
inode = d_inode(cfile->dentry);
@@ -1459,6 +1459,7 @@ smb2_close_getattr(const unsigned int xid, struct cifs_tcon *tcon,
/* End of file and Attributes should not have to be updated on close */
spin_unlock(&inode->i_lock);
+ return rc;
}
static int
@@ -2027,6 +2028,7 @@ smb2_duplicate_extents(const unsigned int xid,
* size will be queried on next revalidate, but it is important
* to make sure that file's cached size is updated immediately
*/
+ netfs_resize_file(netfs_inode(inode), dest_off + len, true);
cifs_setsize(inode, dest_off + len);
}
rc = SMB2_ioctl(xid, tcon, trgtfile->fid.persistent_fid,
@@ -2480,6 +2482,8 @@ smb2_is_network_name_deleted(char *buf, struct TCP_Server_Info *server)
spin_lock(&cifs_tcp_ses_lock);
list_for_each_entry(ses, &pserver->smb_ses_list, smb_ses_list) {
+ if (cifs_ses_exiting(ses))
+ continue;
list_for_each_entry(tcon, &ses->tcon_list, tcon_list) {
if (tcon->tid == le32_to_cpu(shdr->Id.SyncId.TreeId)) {
spin_lock(&tcon->tc_lock);
@@ -2912,8 +2916,11 @@ smb2_get_dfs_refer(const unsigned int xid, struct cifs_ses *ses,
tcon = list_first_entry_or_null(&ses->tcon_list,
struct cifs_tcon,
tcon_list);
- if (tcon)
+ if (tcon) {
tcon->tc_count++;
+ trace_smb3_tcon_ref(tcon->debug_id, tcon->tc_count,
+ netfs_trace_tcon_ref_get_dfs_refer);
+ }
spin_unlock(&cifs_tcp_ses_lock);
}
@@ -2977,6 +2984,8 @@ smb2_get_dfs_refer(const unsigned int xid, struct cifs_ses *ses,
/* ipc tcons are not refcounted */
spin_lock(&cifs_tcp_ses_lock);
tcon->tc_count--;
+ trace_smb3_tcon_ref(tcon->debug_id, tcon->tc_count,
+ netfs_trace_tcon_ref_dec_dfs_refer);
/* tc_count can never go negative */
WARN_ON(tcon->tc_count < 0);
spin_unlock(&cifs_tcp_ses_lock);
@@ -3628,6 +3637,7 @@ static long smb3_insert_range(struct file *file, struct cifs_tcon *tcon,
rc = smb2_copychunk_range(xid, cfile, cfile, off, count, off + len);
if (rc < 0)
goto out_2;
+ cifsi->netfs.zero_point = new_eof;
rc = smb3_zero_data(file, tcon, off, len, xid);
if (rc < 0)
@@ -3913,7 +3923,7 @@ smb21_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock,
strcat(message, "W");
}
if (!new_oplock)
- strncpy(message, "None", sizeof(message));
+ strscpy(message, "None");
cinode->oplock = new_oplock;
cifs_dbg(FYI, "%s Lease granted on inode %p\n", message,
@@ -4482,7 +4492,7 @@ handle_read_data(struct TCP_Server_Info *server, struct mid_q_entry *mid,
unsigned int cur_off;
unsigned int cur_page_idx;
unsigned int pad_len;
- struct cifs_readdata *rdata = mid->callback_data;
+ struct cifs_io_subrequest *rdata = mid->callback_data;
struct smb2_hdr *shdr = (struct smb2_hdr *)buf;
int length;
bool use_rdma_mr = false;
@@ -4584,7 +4594,7 @@ handle_read_data(struct TCP_Server_Info *server, struct mid_q_entry *mid,
/* Copy the data to the output I/O iterator. */
rdata->result = cifs_copy_pages_to_iter(pages, pages_len,
- cur_off, &rdata->iter);
+ cur_off, &rdata->subreq.io_iter);
if (rdata->result != 0) {
if (is_offloaded)
mid->mid_state = MID_RESPONSE_MALFORMED;
@@ -4598,7 +4608,7 @@ handle_read_data(struct TCP_Server_Info *server, struct mid_q_entry *mid,
/* read response payload is in buf */
WARN_ONCE(pages && !xa_empty(pages),
"read data can be either in buf or in pages");
- length = copy_to_iter(buf + data_offset, data_len, &rdata->iter);
+ length = copy_to_iter(buf + data_offset, data_len, &rdata->subreq.io_iter);
if (length < 0)
return length;
rdata->got_bytes = data_len;
@@ -4961,68 +4971,84 @@ static int smb2_next_header(struct TCP_Server_Info *server, char *buf,
return 0;
}
-int cifs_sfu_make_node(unsigned int xid, struct inode *inode,
- struct dentry *dentry, struct cifs_tcon *tcon,
- const char *full_path, umode_t mode, dev_t dev)
+static int __cifs_sfu_make_node(unsigned int xid, struct inode *inode,
+ struct dentry *dentry, struct cifs_tcon *tcon,
+ const char *full_path, umode_t mode, dev_t dev)
{
- struct cifs_open_info_data buf = {};
struct TCP_Server_Info *server = tcon->ses->server;
struct cifs_open_parms oparms;
struct cifs_io_parms io_parms = {};
struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
struct cifs_fid fid;
unsigned int bytes_written;
- struct win_dev *pdev;
+ struct win_dev pdev = {};
struct kvec iov[2];
__u32 oplock = server->oplocks ? REQ_OPLOCK : 0;
int rc;
- if (!S_ISCHR(mode) && !S_ISBLK(mode) && !S_ISFIFO(mode))
+ switch (mode & S_IFMT) {
+ case S_IFCHR:
+ strscpy(pdev.type, "IntxCHR");
+ pdev.major = cpu_to_le64(MAJOR(dev));
+ pdev.minor = cpu_to_le64(MINOR(dev));
+ break;
+ case S_IFBLK:
+ strscpy(pdev.type, "IntxBLK");
+ pdev.major = cpu_to_le64(MAJOR(dev));
+ pdev.minor = cpu_to_le64(MINOR(dev));
+ break;
+ case S_IFIFO:
+ strscpy(pdev.type, "LnxFIFO");
+ break;
+ default:
return -EPERM;
+ }
- oparms = (struct cifs_open_parms) {
- .tcon = tcon,
- .cifs_sb = cifs_sb,
- .desired_access = GENERIC_WRITE,
- .create_options = cifs_create_options(cifs_sb, CREATE_NOT_DIR |
- CREATE_OPTION_SPECIAL),
- .disposition = FILE_CREATE,
- .path = full_path,
- .fid = &fid,
- };
+ oparms = CIFS_OPARMS(cifs_sb, tcon, full_path, GENERIC_WRITE,
+ FILE_CREATE, CREATE_NOT_DIR |
+ CREATE_OPTION_SPECIAL, ACL_NO_MODE);
+ oparms.fid = &fid;
- rc = server->ops->open(xid, &oparms, &oplock, &buf);
+ rc = server->ops->open(xid, &oparms, &oplock, NULL);
if (rc)
return rc;
- /*
- * BB Do not bother to decode buf since no local inode yet to put
- * timestamps in, but we can reuse it safely.
- */
- pdev = (struct win_dev *)&buf.fi;
io_parms.pid = current->tgid;
io_parms.tcon = tcon;
- io_parms.length = sizeof(*pdev);
- iov[1].iov_base = pdev;
- iov[1].iov_len = sizeof(*pdev);
- if (S_ISCHR(mode)) {
- memcpy(pdev->type, "IntxCHR", 8);
- pdev->major = cpu_to_le64(MAJOR(dev));
- pdev->minor = cpu_to_le64(MINOR(dev));
- } else if (S_ISBLK(mode)) {
- memcpy(pdev->type, "IntxBLK", 8);
- pdev->major = cpu_to_le64(MAJOR(dev));
- pdev->minor = cpu_to_le64(MINOR(dev));
- } else if (S_ISFIFO(mode)) {
- memcpy(pdev->type, "LnxFIFO", 8);
- }
+ io_parms.length = sizeof(pdev);
+ iov[1].iov_base = &pdev;
+ iov[1].iov_len = sizeof(pdev);
rc = server->ops->sync_write(xid, &fid, &io_parms,
&bytes_written, iov, 1);
server->ops->close(xid, tcon, &fid);
- d_drop(dentry);
- /* FIXME: add code here to set EAs */
- cifs_free_open_info(&buf);
+ return rc;
+}
+
+int cifs_sfu_make_node(unsigned int xid, struct inode *inode,
+ struct dentry *dentry, struct cifs_tcon *tcon,
+ const char *full_path, umode_t mode, dev_t dev)
+{
+ struct inode *new = NULL;
+ int rc;
+
+ rc = __cifs_sfu_make_node(xid, inode, dentry, tcon,
+ full_path, mode, dev);
+ if (rc)
+ return rc;
+
+ if (tcon->posix_extensions) {
+ rc = smb311_posix_get_inode_info(&new, full_path, NULL,
+ inode->i_sb, xid);
+ } else if (tcon->unix_ext) {
+ rc = cifs_get_inode_info_unix(&new, full_path,
+ inode->i_sb, xid);
+ } else {
+ rc = cifs_get_inode_info(&new, full_path, NULL,
+ inode->i_sb, xid, NULL);
+ }
+ if (!rc)
+ d_instantiate(dentry, new);
return rc;
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.