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-rw-r--r--fs/cifs/link.c739
1 files changed, 0 insertions, 739 deletions
diff --git a/fs/cifs/link.c b/fs/cifs/link.c
deleted file mode 100644
index 60b5a11ee11b..000000000000
--- a/fs/cifs/link.c
+++ /dev/null
@@ -1,739 +0,0 @@
-/*
- * fs/cifs/link.c
- *
- * Copyright (C) International Business Machines Corp., 2002,2008
- * Author(s): Steve French (sfrench@us.ibm.com)
- *
- * This library is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published
- * by the Free Software Foundation; either version 2.1 of the License, or
- * (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
- * the GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-#include <linux/fs.h>
-#include <linux/stat.h>
-#include <linux/slab.h>
-#include <linux/namei.h>
-#include "cifsfs.h"
-#include "cifspdu.h"
-#include "cifsglob.h"
-#include "cifsproto.h"
-#include "cifs_debug.h"
-#include "cifs_fs_sb.h"
-#include "cifs_unicode.h"
-#include "smb2proto.h"
-
-/*
- * M-F Symlink Functions - Begin
- */
-
-#define CIFS_MF_SYMLINK_LEN_OFFSET (4+1)
-#define CIFS_MF_SYMLINK_MD5_OFFSET (CIFS_MF_SYMLINK_LEN_OFFSET+(4+1))
-#define CIFS_MF_SYMLINK_LINK_OFFSET (CIFS_MF_SYMLINK_MD5_OFFSET+(32+1))
-#define CIFS_MF_SYMLINK_LINK_MAXLEN (1024)
-#define CIFS_MF_SYMLINK_FILE_SIZE \
- (CIFS_MF_SYMLINK_LINK_OFFSET + CIFS_MF_SYMLINK_LINK_MAXLEN)
-
-#define CIFS_MF_SYMLINK_LEN_FORMAT "XSym\n%04u\n"
-#define CIFS_MF_SYMLINK_MD5_FORMAT "%16phN\n"
-#define CIFS_MF_SYMLINK_MD5_ARGS(md5_hash) md5_hash
-
-static int
-symlink_hash(unsigned int link_len, const char *link_str, u8 *md5_hash)
-{
- int rc;
- unsigned int size;
- struct crypto_shash *md5;
- struct sdesc *sdescmd5;
-
- md5 = crypto_alloc_shash("md5", 0, 0);
- if (IS_ERR(md5)) {
- rc = PTR_ERR(md5);
- cifs_dbg(VFS, "%s: Crypto md5 allocation error %d\n",
- __func__, rc);
- return rc;
- }
- size = sizeof(struct shash_desc) + crypto_shash_descsize(md5);
- sdescmd5 = kmalloc(size, GFP_KERNEL);
- if (!sdescmd5) {
- rc = -ENOMEM;
- goto symlink_hash_err;
- }
- sdescmd5->shash.tfm = md5;
- sdescmd5->shash.flags = 0x0;
-
- rc = crypto_shash_init(&sdescmd5->shash);
- if (rc) {
- cifs_dbg(VFS, "%s: Could not init md5 shash\n", __func__);
- goto symlink_hash_err;
- }
- rc = crypto_shash_update(&sdescmd5->shash, link_str, link_len);
- if (rc) {
- cifs_dbg(VFS, "%s: Could not update with link_str\n", __func__);
- goto symlink_hash_err;
- }
- rc = crypto_shash_final(&sdescmd5->shash, md5_hash);
- if (rc)
- cifs_dbg(VFS, "%s: Could not generate md5 hash\n", __func__);
-
-symlink_hash_err:
- crypto_free_shash(md5);
- kfree(sdescmd5);
-
- return rc;
-}
-
-static int
-parse_mf_symlink(const u8 *buf, unsigned int buf_len, unsigned int *_link_len,
- char **_link_str)
-{
- int rc;
- unsigned int link_len;
- const char *md5_str1;
- const char *link_str;
- u8 md5_hash[16];
- char md5_str2[34];
-
- if (buf_len != CIFS_MF_SYMLINK_FILE_SIZE)
- return -EINVAL;
-
- md5_str1 = (const char *)&buf[CIFS_MF_SYMLINK_MD5_OFFSET];
- link_str = (const char *)&buf[CIFS_MF_SYMLINK_LINK_OFFSET];
-
- rc = sscanf(buf, CIFS_MF_SYMLINK_LEN_FORMAT, &link_len);
- if (rc != 1)
- return -EINVAL;
-
- rc = symlink_hash(link_len, link_str, md5_hash);
- if (rc) {
- cifs_dbg(FYI, "%s: MD5 hash failure: %d\n", __func__, rc);
- return rc;
- }
-
- snprintf(md5_str2, sizeof(md5_str2),
- CIFS_MF_SYMLINK_MD5_FORMAT,
- CIFS_MF_SYMLINK_MD5_ARGS(md5_hash));
-
- if (strncmp(md5_str1, md5_str2, 17) != 0)
- return -EINVAL;
-
- if (_link_str) {
- *_link_str = kstrndup(link_str, link_len, GFP_KERNEL);
- if (!*_link_str)
- return -ENOMEM;
- }
-
- *_link_len = link_len;
- return 0;
-}
-
-static int
-format_mf_symlink(u8 *buf, unsigned int buf_len, const char *link_str)
-{
- int rc;
- unsigned int link_len;
- unsigned int ofs;
- u8 md5_hash[16];
-
- if (buf_len != CIFS_MF_SYMLINK_FILE_SIZE)
- return -EINVAL;
-
- link_len = strlen(link_str);
-
- if (link_len > CIFS_MF_SYMLINK_LINK_MAXLEN)
- return -ENAMETOOLONG;
-
- rc = symlink_hash(link_len, link_str, md5_hash);
- if (rc) {
- cifs_dbg(FYI, "%s: MD5 hash failure: %d\n", __func__, rc);
- return rc;
- }
-
- snprintf(buf, buf_len,
- CIFS_MF_SYMLINK_LEN_FORMAT CIFS_MF_SYMLINK_MD5_FORMAT,
- link_len,
- CIFS_MF_SYMLINK_MD5_ARGS(md5_hash));
-
- ofs = CIFS_MF_SYMLINK_LINK_OFFSET;
- memcpy(buf + ofs, link_str, link_len);
-
- ofs += link_len;
- if (ofs < CIFS_MF_SYMLINK_FILE_SIZE) {
- buf[ofs] = '\n';
- ofs++;
- }
-
- while (ofs < CIFS_MF_SYMLINK_FILE_SIZE) {
- buf[ofs] = ' ';
- ofs++;
- }
-
- return 0;
-}
-
-bool
-couldbe_mf_symlink(const struct cifs_fattr *fattr)
-{
- if (!S_ISREG(fattr->cf_mode))
- /* it's not a symlink */
- return false;
-
- if (fattr->cf_eof != CIFS_MF_SYMLINK_FILE_SIZE)
- /* it's not a symlink */
- return false;
-
- return true;
-}
-
-static int
-create_mf_symlink(const unsigned int xid, struct cifs_tcon *tcon,
- struct cifs_sb_info *cifs_sb, const char *fromName,
- const char *toName)
-{
- int rc;
- u8 *buf;
- unsigned int bytes_written = 0;
-
- buf = kmalloc(CIFS_MF_SYMLINK_FILE_SIZE, GFP_KERNEL);
- if (!buf)
- return -ENOMEM;
-
- rc = format_mf_symlink(buf, CIFS_MF_SYMLINK_FILE_SIZE, toName);
- if (rc)
- goto out;
-
- if (tcon->ses->server->ops->create_mf_symlink)
- rc = tcon->ses->server->ops->create_mf_symlink(xid, tcon,
- cifs_sb, fromName, buf, &bytes_written);
- else
- rc = -EOPNOTSUPP;
-
- if (rc)
- goto out;
-
- if (bytes_written != CIFS_MF_SYMLINK_FILE_SIZE)
- rc = -EIO;
-out:
- kfree(buf);
- return rc;
-}
-
-static int
-query_mf_symlink(const unsigned int xid, struct cifs_tcon *tcon,
- struct cifs_sb_info *cifs_sb, const unsigned char *path,
- char **symlinkinfo)
-{
- int rc;
- u8 *buf = NULL;
- unsigned int link_len = 0;
- unsigned int bytes_read = 0;
-
- buf = kmalloc(CIFS_MF_SYMLINK_FILE_SIZE, GFP_KERNEL);
- if (!buf)
- return -ENOMEM;
-
- if (tcon->ses->server->ops->query_mf_symlink)
- rc = tcon->ses->server->ops->query_mf_symlink(xid, tcon,
- cifs_sb, path, buf, &bytes_read);
- else
- rc = -ENOSYS;
-
- if (rc)
- goto out;
-
- if (bytes_read == 0) { /* not a symlink */
- rc = -EINVAL;
- goto out;
- }
-
- rc = parse_mf_symlink(buf, bytes_read, &link_len, symlinkinfo);
-out:
- kfree(buf);
- return rc;
-}
-
-int
-check_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
- struct cifs_sb_info *cifs_sb, struct cifs_fattr *fattr,
- const unsigned char *path)
-{
- int rc;
- u8 *buf = NULL;
- unsigned int link_len = 0;
- unsigned int bytes_read = 0;
-
- if (!couldbe_mf_symlink(fattr))
- /* it's not a symlink */
- return 0;
-
- buf = kmalloc(CIFS_MF_SYMLINK_FILE_SIZE, GFP_KERNEL);
- if (!buf)
- return -ENOMEM;
-
- if (tcon->ses->server->ops->query_mf_symlink)
- rc = tcon->ses->server->ops->query_mf_symlink(xid, tcon,
- cifs_sb, path, buf, &bytes_read);
- else
- rc = -ENOSYS;
-
- if (rc)
- goto out;
-
- if (bytes_read == 0) /* not a symlink */
- goto out;
-
- rc = parse_mf_symlink(buf, bytes_read, &link_len, NULL);
- if (rc == -EINVAL) {
- /* it's not a symlink */
- rc = 0;
- goto out;
- }
-
- if (rc != 0)
- goto out;
-
- /* it is a symlink */
- fattr->cf_eof = link_len;
- fattr->cf_mode &= ~S_IFMT;
- fattr->cf_mode |= S_IFLNK | S_IRWXU | S_IRWXG | S_IRWXO;
- fattr->cf_dtype = DT_LNK;
-out:
- kfree(buf);
- return rc;
-}
-
-/*
- * SMB 1.0 Protocol specific functions
- */
-
-int
-cifs_query_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
- struct cifs_sb_info *cifs_sb, const unsigned char *path,
- char *pbuf, unsigned int *pbytes_read)
-{
- int rc;
- int oplock = 0;
- struct cifs_fid fid;
- struct cifs_open_parms oparms;
- struct cifs_io_parms io_parms;
- int buf_type = CIFS_NO_BUFFER;
- FILE_ALL_INFO file_info;
-
- oparms.tcon = tcon;
- oparms.cifs_sb = cifs_sb;
- oparms.desired_access = GENERIC_READ;
- oparms.create_options = CREATE_NOT_DIR;
- oparms.disposition = FILE_OPEN;
- oparms.path = path;
- oparms.fid = &fid;
- oparms.reconnect = false;
-
- rc = CIFS_open(xid, &oparms, &oplock, &file_info);
- if (rc)
- return rc;
-
- if (file_info.EndOfFile != cpu_to_le64(CIFS_MF_SYMLINK_FILE_SIZE)) {
- rc = -ENOENT;
- /* it's not a symlink */
- goto out;
- }
-
- io_parms.netfid = fid.netfid;
- io_parms.pid = current->tgid;
- io_parms.tcon = tcon;
- io_parms.offset = 0;
- io_parms.length = CIFS_MF_SYMLINK_FILE_SIZE;
-
- rc = CIFSSMBRead(xid, &io_parms, pbytes_read, &pbuf, &buf_type);
-out:
- CIFSSMBClose(xid, tcon, fid.netfid);
- return rc;
-}
-
-int
-cifs_create_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
- struct cifs_sb_info *cifs_sb, const unsigned char *path,
- char *pbuf, unsigned int *pbytes_written)
-{
- int rc;
- int oplock = 0;
- struct cifs_fid fid;
- struct cifs_open_parms oparms;
- struct cifs_io_parms io_parms;
- int create_options = CREATE_NOT_DIR;
-
- if (backup_cred(cifs_sb))
- create_options |= CREATE_OPEN_BACKUP_INTENT;
-
- oparms.tcon = tcon;
- oparms.cifs_sb = cifs_sb;
- oparms.desired_access = GENERIC_WRITE;
- oparms.create_options = create_options;
- oparms.disposition = FILE_CREATE;
- oparms.path = path;
- oparms.fid = &fid;
- oparms.reconnect = false;
-
- rc = CIFS_open(xid, &oparms, &oplock, NULL);
- if (rc)
- return rc;
-
- io_parms.netfid = fid.netfid;
- io_parms.pid = current->tgid;
- io_parms.tcon = tcon;
- io_parms.offset = 0;
- io_parms.length = CIFS_MF_SYMLINK_FILE_SIZE;
-
- rc = CIFSSMBWrite(xid, &io_parms, pbytes_written, pbuf);
- CIFSSMBClose(xid, tcon, fid.netfid);
- return rc;
-}
-
-/*
- * SMB 2.1/SMB3 Protocol specific functions
- */
-int
-smb3_query_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
- struct cifs_sb_info *cifs_sb, const unsigned char *path,
- char *pbuf, unsigned int *pbytes_read)
-{
- int rc;
- struct cifs_fid fid;
- struct cifs_open_parms oparms;
- struct cifs_io_parms io_parms;
- int buf_type = CIFS_NO_BUFFER;
- __le16 *utf16_path;
- __u8 oplock = SMB2_OPLOCK_LEVEL_II;
- struct smb2_file_all_info *pfile_info = NULL;
-
- oparms.tcon = tcon;
- oparms.cifs_sb = cifs_sb;
- oparms.desired_access = GENERIC_READ;
- oparms.create_options = CREATE_NOT_DIR;
- if (backup_cred(cifs_sb))
- oparms.create_options |= CREATE_OPEN_BACKUP_INTENT;
- oparms.disposition = FILE_OPEN;
- oparms.fid = &fid;
- oparms.reconnect = false;
-
- utf16_path = cifs_convert_path_to_utf16(path, cifs_sb);
- if (utf16_path == NULL)
- return -ENOMEM;
-
- pfile_info = kzalloc(sizeof(struct smb2_file_all_info) + PATH_MAX * 2,
- GFP_KERNEL);
-
- if (pfile_info == NULL) {
- kfree(utf16_path);
- return -ENOMEM;
- }
-
- rc = SMB2_open(xid, &oparms, utf16_path, &oplock, pfile_info, NULL);
- if (rc)
- goto qmf_out_open_fail;
-
- if (pfile_info->EndOfFile != cpu_to_le64(CIFS_MF_SYMLINK_FILE_SIZE)) {
- /* it's not a symlink */
- rc = -ENOENT; /* Is there a better rc to return? */
- goto qmf_out;
- }
-
- io_parms.netfid = fid.netfid;
- io_parms.pid = current->tgid;
- io_parms.tcon = tcon;
- io_parms.offset = 0;
- io_parms.length = CIFS_MF_SYMLINK_FILE_SIZE;
- io_parms.persistent_fid = fid.persistent_fid;
- io_parms.volatile_fid = fid.volatile_fid;
- rc = SMB2_read(xid, &io_parms, pbytes_read, &pbuf, &buf_type);
-qmf_out:
- SMB2_close(xid, tcon, fid.persistent_fid, fid.volatile_fid);
-qmf_out_open_fail:
- kfree(utf16_path);
- kfree(pfile_info);
- return rc;
-}
-
-int
-smb3_create_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
- struct cifs_sb_info *cifs_sb, const unsigned char *path,
- char *pbuf, unsigned int *pbytes_written)
-{
- int rc;
- struct cifs_fid fid;
- struct cifs_open_parms oparms;
- struct cifs_io_parms io_parms;
- int create_options = CREATE_NOT_DIR;
- __le16 *utf16_path;
- __u8 oplock = SMB2_OPLOCK_LEVEL_EXCLUSIVE;
- struct kvec iov[2];
-
- if (backup_cred(cifs_sb))
- create_options |= CREATE_OPEN_BACKUP_INTENT;
-
- cifs_dbg(FYI, "%s: path: %s\n", __func__, path);
-
- utf16_path = cifs_convert_path_to_utf16(path, cifs_sb);
- if (!utf16_path)
- return -ENOMEM;
-
- oparms.tcon = tcon;
- oparms.cifs_sb = cifs_sb;
- oparms.desired_access = GENERIC_WRITE;
- oparms.create_options = create_options;
- oparms.disposition = FILE_CREATE;
- oparms.fid = &fid;
- oparms.reconnect = false;
-
- rc = SMB2_open(xid, &oparms, utf16_path, &oplock, NULL, NULL);
- if (rc) {
- kfree(utf16_path);
- return rc;
- }
-
- io_parms.netfid = fid.netfid;
- io_parms.pid = current->tgid;
- io_parms.tcon = tcon;
- io_parms.offset = 0;
- io_parms.length = CIFS_MF_SYMLINK_FILE_SIZE;
- io_parms.persistent_fid = fid.persistent_fid;
- io_parms.volatile_fid = fid.volatile_fid;
-
- /* iov[0] is reserved for smb header */
- iov[1].iov_base = pbuf;
- iov[1].iov_len = CIFS_MF_SYMLINK_FILE_SIZE;
-
- rc = SMB2_write(xid, &io_parms, pbytes_written, iov, 1);
-
- /* Make sure we wrote all of the symlink data */
- if ((rc == 0) && (*pbytes_written != CIFS_MF_SYMLINK_FILE_SIZE))
- rc = -EIO;
-
- SMB2_close(xid, tcon, fid.persistent_fid, fid.volatile_fid);
-
- kfree(utf16_path);
- return rc;
-}
-
-/*
- * M-F Symlink Functions - End
- */
-
-int
-cifs_hardlink(struct dentry *old_file, struct inode *inode,
- struct dentry *direntry)
-{
- int rc = -EACCES;
- unsigned int xid;
- char *from_name = NULL;
- char *to_name = NULL;
- struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
- struct tcon_link *tlink;
- struct cifs_tcon *tcon;
- struct TCP_Server_Info *server;
- struct cifsInodeInfo *cifsInode;
-
- tlink = cifs_sb_tlink(cifs_sb);
- if (IS_ERR(tlink))
- return PTR_ERR(tlink);
- tcon = tlink_tcon(tlink);
-
- xid = get_xid();
-
- from_name = build_path_from_dentry(old_file);
- to_name = build_path_from_dentry(direntry);
- if ((from_name == NULL) || (to_name == NULL)) {
- rc = -ENOMEM;
- goto cifs_hl_exit;
- }
-
- if (tcon->unix_ext)
- rc = CIFSUnixCreateHardLink(xid, tcon, from_name, to_name,
- cifs_sb->local_nls,
- cifs_remap(cifs_sb));
- else {
- server = tcon->ses->server;
- if (!server->ops->create_hardlink) {
- rc = -ENOSYS;
- goto cifs_hl_exit;
- }
- rc = server->ops->create_hardlink(xid, tcon, from_name, to_name,
- cifs_sb);
- if ((rc == -EIO) || (rc == -EINVAL))
- rc = -EOPNOTSUPP;
- }
-
- d_drop(direntry); /* force new lookup from server of target */
-
- /*
- * if source file is cached (oplocked) revalidate will not go to server
- * until the file is closed or oplock broken so update nlinks locally
- */
- if (d_really_is_positive(old_file)) {
- cifsInode = CIFS_I(d_inode(old_file));
- if (rc == 0) {
- spin_lock(&d_inode(old_file)->i_lock);
- inc_nlink(d_inode(old_file));
- spin_unlock(&d_inode(old_file)->i_lock);
-
- /*
- * parent dir timestamps will update from srv within a
- * second, would it really be worth it to set the parent
- * dir cifs inode time to zero to force revalidate
- * (faster) for it too?
- */
- }
- /*
- * if not oplocked will force revalidate to get info on source
- * file from srv. Note Samba server prior to 4.2 has bug -
- * not updating src file ctime on hardlinks but Windows servers
- * handle it properly
- */
- cifsInode->time = 0;
-
- /*
- * Will update parent dir timestamps from srv within a second.
- * Would it really be worth it to set the parent dir (cifs
- * inode) time field to zero to force revalidate on parent
- * directory faster ie
- *
- * CIFS_I(inode)->time = 0;
- */
- }
-
-cifs_hl_exit:
- kfree(from_name);
- kfree(to_name);
- free_xid(xid);
- cifs_put_tlink(tlink);
- return rc;
-}
-
-const char *
-cifs_get_link(struct dentry *direntry, struct inode *inode,
- struct delayed_call *done)
-{
- int rc = -ENOMEM;
- unsigned int xid;
- char *full_path = NULL;
- char *target_path = NULL;
- struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
- struct tcon_link *tlink = NULL;
- struct cifs_tcon *tcon;
- struct TCP_Server_Info *server;
-
- if (!direntry)
- return ERR_PTR(-ECHILD);
-
- xid = get_xid();
-
- tlink = cifs_sb_tlink(cifs_sb);
- if (IS_ERR(tlink)) {
- free_xid(xid);
- return ERR_CAST(tlink);
- }
- tcon = tlink_tcon(tlink);
- server = tcon->ses->server;
-
- full_path = build_path_from_dentry(direntry);
- if (!full_path) {
- free_xid(xid);
- cifs_put_tlink(tlink);
- return ERR_PTR(-ENOMEM);
- }
-
- cifs_dbg(FYI, "Full path: %s inode = 0x%p\n", full_path, inode);
-
- rc = -EACCES;
- /*
- * First try Minshall+French Symlinks, if configured
- * and fallback to UNIX Extensions Symlinks.
- */
- if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MF_SYMLINKS)
- rc = query_mf_symlink(xid, tcon, cifs_sb, full_path,
- &target_path);
-
- if (rc != 0 && server->ops->query_symlink)
- rc = server->ops->query_symlink(xid, tcon, full_path,
- &target_path, cifs_sb);
-
- kfree(full_path);
- free_xid(xid);
- cifs_put_tlink(tlink);
- if (rc != 0) {
- kfree(target_path);
- return ERR_PTR(rc);
- }
- set_delayed_call(done, kfree_link, target_path);
- return target_path;
-}
-
-int
-cifs_symlink(struct inode *inode, struct dentry *direntry, const char *symname)
-{
- int rc = -EOPNOTSUPP;
- unsigned int xid;
- struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
- struct tcon_link *tlink;
- struct cifs_tcon *pTcon;
- char *full_path = NULL;
- struct inode *newinode = NULL;
-
- xid = get_xid();
-
- tlink = cifs_sb_tlink(cifs_sb);
- if (IS_ERR(tlink)) {
- rc = PTR_ERR(tlink);
- goto symlink_exit;
- }
- pTcon = tlink_tcon(tlink);
-
- full_path = build_path_from_dentry(direntry);
- if (full_path == NULL) {
- rc = -ENOMEM;
- goto symlink_exit;
- }
-
- cifs_dbg(FYI, "Full path: %s\n", full_path);
- cifs_dbg(FYI, "symname is %s\n", symname);
-
- /* BB what if DFS and this volume is on different share? BB */
- if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MF_SYMLINKS)
- rc = create_mf_symlink(xid, pTcon, cifs_sb, full_path, symname);
- else if (pTcon->unix_ext)
- rc = CIFSUnixCreateSymLink(xid, pTcon, full_path, symname,
- cifs_sb->local_nls,
- cifs_remap(cifs_sb));
- /* else
- rc = CIFSCreateReparseSymLink(xid, pTcon, fromName, toName,
- cifs_sb_target->local_nls); */
-
- if (rc == 0) {
- if (pTcon->unix_ext)
- rc = cifs_get_inode_info_unix(&newinode, full_path,
- inode->i_sb, xid);
- else
- rc = cifs_get_inode_info(&newinode, full_path, NULL,
- inode->i_sb, xid, NULL);
-
- if (rc != 0) {
- cifs_dbg(FYI, "Create symlink ok, getinodeinfo fail rc = %d\n",
- rc);
- } else {
- d_instantiate(direntry, newinode);
- }
- }
-symlink_exit:
- kfree(full_path);
- cifs_put_tlink(tlink);
- free_xid(xid);
- return rc;
-}
generated by cgit (git 2.34.1) at 2025-12-25 08:39:28 +0000