aboutsummaryrefslogtreecommitdiffstats
path: root/fs/cifs/file.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/cifs/file.c')
-rw-r--r--fs/cifs/file.c133
1 files changed, 68 insertions, 65 deletions
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index e9a8ac0047c7..93b3b1358409 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -107,7 +107,7 @@ static inline int cifs_get_disposition(unsigned int flags)
int cifs_posix_open(char *full_path, struct inode **pinode,
struct super_block *sb, int mode, unsigned int f_flags,
- __u32 *poplock, __u16 *pnetfid, int xid)
+ __u32 *poplock, __u16 *pnetfid, unsigned int xid)
{
int rc;
FILE_UNIX_BASIC_INFO *presp_data;
@@ -170,7 +170,7 @@ posix_open_ret:
static int
cifs_nt_open(char *full_path, struct inode *inode, struct cifs_sb_info *cifs_sb,
struct cifs_tcon *tcon, unsigned int f_flags, __u32 *poplock,
- __u16 *pnetfid, int xid)
+ __u16 *pnetfid, unsigned int xid)
{
int rc;
int desiredAccess;
@@ -324,11 +324,11 @@ void cifsFileInfo_put(struct cifsFileInfo *cifs_file)
cancel_work_sync(&cifs_file->oplock_break);
if (!tcon->need_reconnect && !cifs_file->invalidHandle) {
- int xid, rc;
-
- xid = GetXid();
+ unsigned int xid;
+ int rc;
+ xid = get_xid();
rc = CIFSSMBClose(xid, tcon, cifs_file->netfid);
- FreeXid(xid);
+ free_xid(xid);
}
/* Delete any outstanding lock records. We'll lose them when the file
@@ -350,7 +350,7 @@ void cifsFileInfo_put(struct cifsFileInfo *cifs_file)
int cifs_open(struct inode *inode, struct file *file)
{
int rc = -EACCES;
- int xid;
+ unsigned int xid;
__u32 oplock;
struct cifs_sb_info *cifs_sb;
struct cifs_tcon *tcon;
@@ -360,12 +360,12 @@ int cifs_open(struct inode *inode, struct file *file)
bool posix_open_ok = false;
__u16 netfid;
- xid = GetXid();
+ xid = get_xid();
cifs_sb = CIFS_SB(inode->i_sb);
tlink = cifs_sb_tlink(cifs_sb);
if (IS_ERR(tlink)) {
- FreeXid(xid);
+ free_xid(xid);
return PTR_ERR(tlink);
}
tcon = tlink_tcon(tlink);
@@ -445,7 +445,7 @@ int cifs_open(struct inode *inode, struct file *file)
out:
kfree(full_path);
- FreeXid(xid);
+ free_xid(xid);
cifs_put_tlink(tlink);
return rc;
}
@@ -464,7 +464,7 @@ static int cifs_relock_file(struct cifsFileInfo *cifsFile)
static int cifs_reopen_file(struct cifsFileInfo *pCifsFile, bool can_flush)
{
int rc = -EACCES;
- int xid;
+ unsigned int xid;
__u32 oplock;
struct cifs_sb_info *cifs_sb;
struct cifs_tcon *tcon;
@@ -476,12 +476,12 @@ static int cifs_reopen_file(struct cifsFileInfo *pCifsFile, bool can_flush)
int create_options = CREATE_NOT_DIR;
__u16 netfid;
- xid = GetXid();
+ xid = get_xid();
mutex_lock(&pCifsFile->fh_mutex);
if (!pCifsFile->invalidHandle) {
mutex_unlock(&pCifsFile->fh_mutex);
rc = 0;
- FreeXid(xid);
+ free_xid(xid);
return rc;
}
@@ -497,7 +497,7 @@ static int cifs_reopen_file(struct cifsFileInfo *pCifsFile, bool can_flush)
if (full_path == NULL) {
rc = -ENOMEM;
mutex_unlock(&pCifsFile->fh_mutex);
- FreeXid(xid);
+ free_xid(xid);
return rc;
}
@@ -583,7 +583,7 @@ reopen_success:
reopen_error_exit:
kfree(full_path);
- FreeXid(xid);
+ free_xid(xid);
return rc;
}
@@ -601,13 +601,13 @@ int cifs_close(struct inode *inode, struct file *file)
int cifs_closedir(struct inode *inode, struct file *file)
{
int rc = 0;
- int xid;
+ unsigned int xid;
struct cifsFileInfo *pCFileStruct = file->private_data;
char *ptmp;
cFYI(1, "Closedir inode = 0x%p", inode);
- xid = GetXid();
+ xid = get_xid();
if (pCFileStruct) {
struct cifs_tcon *pTcon = tlink_tcon(pCFileStruct->tlink);
@@ -639,7 +639,7 @@ int cifs_closedir(struct inode *inode, struct file *file)
file->private_data = NULL;
}
/* BB can we lock the filestruct while this is going on? */
- FreeXid(xid);
+ free_xid(xid);
return rc;
}
@@ -872,7 +872,8 @@ try_again:
static int
cifs_push_mandatory_locks(struct cifsFileInfo *cfile)
{
- int xid, rc = 0, stored_rc;
+ unsigned int xid;
+ int rc = 0, stored_rc;
struct cifsLockInfo *li, *tmp;
struct cifs_tcon *tcon;
struct cifsInodeInfo *cinode = CIFS_I(cfile->dentry->d_inode);
@@ -882,13 +883,13 @@ cifs_push_mandatory_locks(struct cifsFileInfo *cfile)
LOCKING_ANDX_SHARED_LOCK | LOCKING_ANDX_LARGE_FILES};
int i;
- xid = GetXid();
+ xid = get_xid();
tcon = tlink_tcon(cfile->tlink);
mutex_lock(&cinode->lock_mutex);
if (!cinode->can_cache_brlcks) {
mutex_unlock(&cinode->lock_mutex);
- FreeXid(xid);
+ free_xid(xid);
return rc;
}
@@ -899,7 +900,7 @@ cifs_push_mandatory_locks(struct cifsFileInfo *cfile)
max_buf = tcon->ses->server->maxBuf;
if (!max_buf) {
mutex_unlock(&cinode->lock_mutex);
- FreeXid(xid);
+ free_xid(xid);
return -EINVAL;
}
@@ -908,7 +909,7 @@ cifs_push_mandatory_locks(struct cifsFileInfo *cfile)
buf = kzalloc(max_num * sizeof(LOCKING_ANDX_RANGE), GFP_KERNEL);
if (!buf) {
mutex_unlock(&cinode->lock_mutex);
- FreeXid(xid);
+ free_xid(xid);
return rc;
}
@@ -947,7 +948,7 @@ cifs_push_mandatory_locks(struct cifsFileInfo *cfile)
mutex_unlock(&cinode->lock_mutex);
kfree(buf);
- FreeXid(xid);
+ free_xid(xid);
return rc;
}
@@ -977,12 +978,12 @@ cifs_push_posix_locks(struct cifsFileInfo *cfile)
struct lock_to_push *lck, *tmp;
__u64 length;
- xid = GetXid();
+ xid = get_xid();
mutex_lock(&cinode->lock_mutex);
if (!cinode->can_cache_brlcks) {
mutex_unlock(&cinode->lock_mutex);
- FreeXid(xid);
+ free_xid(xid);
return rc;
}
@@ -1054,7 +1055,7 @@ out:
cinode->can_cache_brlcks = false;
mutex_unlock(&cinode->lock_mutex);
- FreeXid(xid);
+ free_xid(xid);
return rc;
err_out:
list_for_each_entry_safe(lck, tmp, &locks_to_send, llist) {
@@ -1126,7 +1127,7 @@ cifs_read_flock(struct file_lock *flock, __u32 *type, int *lock, int *unlock,
}
static int
-cifs_mandatory_lock(int xid, struct cifsFileInfo *cfile, __u64 offset,
+cifs_mandatory_lock(unsigned int xid, struct cifsFileInfo *cfile, __u64 offset,
__u64 length, __u32 type, int lock, int unlock, bool wait)
{
return CIFSSMBLock(xid, tlink_tcon(cfile->tlink), cfile->netfid,
@@ -1136,7 +1137,7 @@ cifs_mandatory_lock(int xid, struct cifsFileInfo *cfile, __u64 offset,
static int
cifs_getlk(struct file *file, struct file_lock *flock, __u32 type,
- bool wait_flag, bool posix_lck, int xid)
+ bool wait_flag, bool posix_lck, unsigned int xid)
{
int rc = 0;
__u64 length = 1 + flock->fl_end - flock->fl_start;
@@ -1221,7 +1222,8 @@ cifs_free_llist(struct list_head *llist)
}
static int
-cifs_unlock_range(struct cifsFileInfo *cfile, struct file_lock *flock, int xid)
+cifs_unlock_range(struct cifsFileInfo *cfile, struct file_lock *flock,
+ unsigned int xid)
{
int rc = 0, stored_rc;
int types[] = {LOCKING_ANDX_LARGE_FILES,
@@ -1326,7 +1328,8 @@ cifs_unlock_range(struct cifsFileInfo *cfile, struct file_lock *flock, int xid)
static int
cifs_setlk(struct file *file, struct file_lock *flock, __u32 type,
- bool wait_flag, bool posix_lck, int lock, int unlock, int xid)
+ bool wait_flag, bool posix_lck, int lock, int unlock,
+ unsigned int xid)
{
int rc = 0;
__u64 length = 1 + flock->fl_end - flock->fl_start;
@@ -1400,7 +1403,7 @@ int cifs_lock(struct file *file, int cmd, struct file_lock *flock)
__u32 type;
rc = -EACCES;
- xid = GetXid();
+ xid = get_xid();
cFYI(1, "Lock parm: 0x%x flockflags: 0x%x flocktype: 0x%x start: %lld "
"end: %lld", cmd, flock->fl_flags, flock->fl_type,
@@ -1426,7 +1429,7 @@ int cifs_lock(struct file *file, int cmd, struct file_lock *flock)
*/
if (IS_GETLK(cmd)) {
rc = cifs_getlk(file, flock, type, wait_flag, posix_lck, xid);
- FreeXid(xid);
+ free_xid(xid);
return rc;
}
@@ -1435,13 +1438,13 @@ int cifs_lock(struct file *file, int cmd, struct file_lock *flock)
* if no lock or unlock then nothing to do since we do not
* know what it is
*/
- FreeXid(xid);
+ free_xid(xid);
return -EOPNOTSUPP;
}
rc = cifs_setlk(file, flock, type, wait_flag, posix_lck, lock, unlock,
xid);
- FreeXid(xid);
+ free_xid(xid);
return rc;
}
@@ -1468,7 +1471,7 @@ static ssize_t cifs_write(struct cifsFileInfo *open_file, __u32 pid,
unsigned int total_written;
struct cifs_sb_info *cifs_sb;
struct cifs_tcon *pTcon;
- int xid;
+ unsigned int xid;
struct dentry *dentry = open_file->dentry;
struct cifsInodeInfo *cifsi = CIFS_I(dentry->d_inode);
struct cifs_io_parms io_parms;
@@ -1480,7 +1483,7 @@ static ssize_t cifs_write(struct cifsFileInfo *open_file, __u32 pid,
pTcon = tlink_tcon(open_file->tlink);
- xid = GetXid();
+ xid = get_xid();
for (total_written = 0; write_size > total_written;
total_written += bytes_written) {
@@ -1516,7 +1519,7 @@ static ssize_t cifs_write(struct cifsFileInfo *open_file, __u32 pid,
if (total_written)
break;
else {
- FreeXid(xid);
+ free_xid(xid);
return rc;
}
} else {
@@ -1536,7 +1539,7 @@ static ssize_t cifs_write(struct cifsFileInfo *open_file, __u32 pid,
spin_unlock(&dentry->d_inode->i_lock);
}
mark_inode_dirty_sync(dentry->d_inode);
- FreeXid(xid);
+ free_xid(xid);
return total_written;
}
@@ -1935,9 +1938,9 @@ static int
cifs_writepage_locked(struct page *page, struct writeback_control *wbc)
{
int rc;
- int xid;
+ unsigned int xid;
- xid = GetXid();
+ xid = get_xid();
/* BB add check for wbc flags */
page_cache_get(page);
if (!PageUptodate(page))
@@ -1966,7 +1969,7 @@ retry_write:
SetPageUptodate(page);
end_page_writeback(page);
page_cache_release(page);
- FreeXid(xid);
+ free_xid(xid);
return rc;
}
@@ -2005,9 +2008,9 @@ static int cifs_write_end(struct file *file, struct address_space *mapping,
if (!PageUptodate(page)) {
char *page_data;
unsigned offset = pos & (PAGE_CACHE_SIZE - 1);
- int xid;
+ unsigned int xid;
- xid = GetXid();
+ xid = get_xid();
/* this is probably better than directly calling
partialpage_write since in this function the file handle is
known which we might as well leverage */
@@ -2018,7 +2021,7 @@ static int cifs_write_end(struct file *file, struct address_space *mapping,
/* if (rc < 0) should we set writebehind rc? */
kunmap(page);
- FreeXid(xid);
+ free_xid(xid);
} else {
rc = copied;
pos += copied;
@@ -2041,7 +2044,7 @@ static int cifs_write_end(struct file *file, struct address_space *mapping,
int cifs_strict_fsync(struct file *file, loff_t start, loff_t end,
int datasync)
{
- int xid;
+ unsigned int xid;
int rc = 0;
struct cifs_tcon *tcon;
struct cifsFileInfo *smbfile = file->private_data;
@@ -2053,7 +2056,7 @@ int cifs_strict_fsync(struct file *file, loff_t start, loff_t end,
return rc;
mutex_lock(&inode->i_mutex);
- xid = GetXid();
+ xid = get_xid();
cFYI(1, "Sync file - name: %s datasync: 0x%x",
file->f_path.dentry->d_name.name, datasync);
@@ -2070,14 +2073,14 @@ int cifs_strict_fsync(struct file *file, loff_t start, loff_t end,
if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NOSSYNC))
rc = CIFSSMBFlush(xid, tcon, smbfile->netfid);
- FreeXid(xid);
+ free_xid(xid);
mutex_unlock(&inode->i_mutex);
return rc;
}
int cifs_fsync(struct file *file, loff_t start, loff_t end, int datasync)
{
- int xid;
+ unsigned int xid;
int rc = 0;
struct cifs_tcon *tcon;
struct cifsFileInfo *smbfile = file->private_data;
@@ -2089,7 +2092,7 @@ int cifs_fsync(struct file *file, loff_t start, loff_t end, int datasync)
return rc;
mutex_lock(&inode->i_mutex);
- xid = GetXid();
+ xid = get_xid();
cFYI(1, "Sync file - name: %s datasync: 0x%x",
file->f_path.dentry->d_name.name, datasync);
@@ -2098,7 +2101,7 @@ int cifs_fsync(struct file *file, loff_t start, loff_t end, int datasync)
if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NOSSYNC))
rc = CIFSSMBFlush(xid, tcon, smbfile->netfid);
- FreeXid(xid);
+ free_xid(xid);
mutex_unlock(&inode->i_mutex);
return rc;
}
@@ -2743,14 +2746,14 @@ static ssize_t cifs_read(struct file *file, char *read_data, size_t read_size,
unsigned int rsize;
struct cifs_sb_info *cifs_sb;
struct cifs_tcon *pTcon;
- int xid;
+ unsigned int xid;
char *current_offset;
struct cifsFileInfo *open_file;
struct cifs_io_parms io_parms;
int buf_type = CIFS_NO_BUFFER;
__u32 pid;
- xid = GetXid();
+ xid = get_xid();
cifs_sb = CIFS_SB(file->f_path.dentry->d_sb);
/* FIXME: set up handlers for larger reads and/or convert to async */
@@ -2758,7 +2761,7 @@ static ssize_t cifs_read(struct file *file, char *read_data, size_t read_size,
if (file->private_data == NULL) {
rc = -EBADF;
- FreeXid(xid);
+ free_xid(xid);
return rc;
}
open_file = file->private_data;
@@ -2803,7 +2806,7 @@ static ssize_t cifs_read(struct file *file, char *read_data, size_t read_size,
if (total_read) {
break;
} else {
- FreeXid(xid);
+ free_xid(xid);
return rc;
}
} else {
@@ -2811,7 +2814,7 @@ static ssize_t cifs_read(struct file *file, char *read_data, size_t read_size,
*poffset += bytes_read;
}
}
- FreeXid(xid);
+ free_xid(xid);
return total_read;
}
@@ -2838,7 +2841,7 @@ int cifs_file_strict_mmap(struct file *file, struct vm_area_struct *vma)
int rc, xid;
struct inode *inode = file->f_path.dentry->d_inode;
- xid = GetXid();
+ xid = get_xid();
if (!CIFS_I(inode)->clientCanCacheRead) {
rc = cifs_invalidate_mapping(inode);
@@ -2849,7 +2852,7 @@ int cifs_file_strict_mmap(struct file *file, struct vm_area_struct *vma)
rc = generic_file_mmap(file, vma);
if (rc == 0)
vma->vm_ops = &cifs_file_vm_ops;
- FreeXid(xid);
+ free_xid(xid);
return rc;
}
@@ -2857,17 +2860,17 @@ int cifs_file_mmap(struct file *file, struct vm_area_struct *vma)
{
int rc, xid;
- xid = GetXid();
+ xid = get_xid();
rc = cifs_revalidate_file(file);
if (rc) {
cFYI(1, "Validation prior to mmap failed, error=%d", rc);
- FreeXid(xid);
+ free_xid(xid);
return rc;
}
rc = generic_file_mmap(file, vma);
if (rc == 0)
vma->vm_ops = &cifs_file_vm_ops;
- FreeXid(xid);
+ free_xid(xid);
return rc;
}
@@ -3157,13 +3160,13 @@ static int cifs_readpage(struct file *file, struct page *page)
{
loff_t offset = (loff_t)page->index << PAGE_CACHE_SHIFT;
int rc = -EACCES;
- int xid;
+ unsigned int xid;
- xid = GetXid();
+ xid = get_xid();
if (file->private_data == NULL) {
rc = -EBADF;
- FreeXid(xid);
+ free_xid(xid);
return rc;
}
@@ -3174,7 +3177,7 @@ static int cifs_readpage(struct file *file, struct page *page)
unlock_page(page);
- FreeXid(xid);
+ free_xid(xid);
return rc;
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.