char *tmp_path;
pTcon = cifs_sb->tcon;
- cFYI(1, (" Getting info on %s ", search_path));
+ cFYI(1, ("Getting info on %s", search_path));
/* could have done a find first instead but this returns more info */
rc = CIFSSMBUnixQPathInfo(xid, pTcon, search_path, &findData,
cifs_sb->local_nls, cifs_sb->mnt_cifs_flags &
inode = *pinode;
cifsInfo = CIFS_I(inode);
- cFYI(1, (" Old time %ld ", cifsInfo->time));
+ cFYI(1, ("Old time %ld", cifsInfo->time));
cifsInfo->time = jiffies;
- cFYI(1, (" New time %ld ", cifsInfo->time));
+ cFYI(1, ("New time %ld", cifsInfo->time));
/* this is ok to set on every inode revalidate */
atomic_set(&cifsInfo->inUse,1);
inode->i_ctime =
cifs_NTtimeToUnix(le64_to_cpu(findData.LastStatusChange));
inode->i_mode = le64_to_cpu(findData.Permissions);
+ /* since we set the inode type below we need to mask off
+ to avoid strange results if bits set above */
+ inode->i_mode &= ~S_IFMT;
if (type == UNIX_FILE) {
inode->i_mode |= S_IFREG;
} else if (type == UNIX_SYMLINK) {
inode->i_mode |= S_IFIFO;
} else if (type == UNIX_SOCKET) {
inode->i_mode |= S_IFSOCK;
+ } else {
+ /* safest to call it a file if we do not know */
+ inode->i_mode |= S_IFREG;
+ cFYI(1,("unknown type %d",type));
}
inode->i_uid = le64_to_cpu(findData.Uid);
inode->i_gid = le64_to_cpu(findData.Gid);
if (num_of_bytes < end_of_file)
cFYI(1, ("allocation size less than end of file"));
- cFYI(1,
- ("Size %ld and blocks %ld",
- (unsigned long) inode->i_size, inode->i_blocks));
+ cFYI(1, ("Size %ld and blocks %llu",
+ (unsigned long) inode->i_size,
+ (unsigned long long)inode->i_blocks));
if (S_ISREG(inode->i_mode)) {
cFYI(1, ("File inode"));
inode->i_op = &cifs_file_inode_ops;
else /* not direct, send byte range locks */
inode->i_fop = &cifs_file_ops;
- inode->i_data.a_ops = &cifs_addr_ops;
/* check if server can support readpages */
if(pTcon->ses->server->maxBuf <
- 4096 + MAX_CIFS_HDR_SIZE)
- inode->i_data.a_ops->readpages = NULL;
+ PAGE_CACHE_SIZE + MAX_CIFS_HDR_SIZE)
+ inode->i_data.a_ops = &cifs_addr_ops_smallbuf;
+ else
+ inode->i_data.a_ops = &cifs_addr_ops;
} else if (S_ISDIR(inode->i_mode)) {
cFYI(1, ("Directory inode"));
inode->i_op = &cifs_dir_inode_ops;
return rc;
}
+static int decode_sfu_inode(struct inode * inode, __u64 size,
+ const unsigned char *path,
+ struct cifs_sb_info *cifs_sb, int xid)
+{
+ int rc;
+ int oplock = FALSE;
+ __u16 netfid;
+ struct cifsTconInfo *pTcon = cifs_sb->tcon;
+ char buf[24];
+ unsigned int bytes_read;
+ char * pbuf;
+
+ pbuf = buf;
+
+ if(size == 0) {
+ inode->i_mode |= S_IFIFO;
+ return 0;
+ } else if (size < 8) {
+ return -EINVAL; /* EOPNOTSUPP? */
+ }
+
+ rc = CIFSSMBOpen(xid, pTcon, path, FILE_OPEN, GENERIC_READ,
+ CREATE_NOT_DIR, &netfid, &oplock, NULL,
+ cifs_sb->local_nls,
+ cifs_sb->mnt_cifs_flags &
+ CIFS_MOUNT_MAP_SPECIAL_CHR);
+ if (rc==0) {
+ int buf_type = CIFS_NO_BUFFER;
+ /* Read header */
+ rc = CIFSSMBRead(xid, pTcon,
+ netfid,
+ 24 /* length */, 0 /* offset */,
+ &bytes_read, &pbuf, &buf_type);
+ if((rc == 0) && (bytes_read >= 8)) {
+ if(memcmp("IntxBLK", pbuf, 8) == 0) {
+ cFYI(1,("Block device"));
+ inode->i_mode |= S_IFBLK;
+ if(bytes_read == 24) {
+ /* we have enough to decode dev num */
+ __u64 mjr; /* major */
+ __u64 mnr; /* minor */
+ mjr = le64_to_cpu(*(__le64 *)(pbuf+8));
+ mnr = le64_to_cpu(*(__le64 *)(pbuf+16));
+ inode->i_rdev = MKDEV(mjr, mnr);
+ }
+ } else if(memcmp("IntxCHR", pbuf, 8) == 0) {
+ cFYI(1,("Char device"));
+ inode->i_mode |= S_IFCHR;
+ if(bytes_read == 24) {
+ /* we have enough to decode dev num */
+ __u64 mjr; /* major */
+ __u64 mnr; /* minor */
+ mjr = le64_to_cpu(*(__le64 *)(pbuf+8));
+ mnr = le64_to_cpu(*(__le64 *)(pbuf+16));
+ inode->i_rdev = MKDEV(mjr, mnr);
+ }
+ } else if(memcmp("IntxLNK", pbuf, 7) == 0) {
+ cFYI(1,("Symlink"));
+ inode->i_mode |= S_IFLNK;
+ } else {
+ inode->i_mode |= S_IFREG; /* file? */
+ rc = -EOPNOTSUPP;
+ }
+ } else {
+ inode->i_mode |= S_IFREG; /* then it is a file */
+ rc = -EOPNOTSUPP; /* or some unknown SFU type */
+ }
+ CIFSSMBClose(xid, pTcon, netfid);
+ }
+ return rc;
+
+}
+
+#define SFBITS_MASK (S_ISVTX | S_ISGID | S_ISUID) /* SETFILEBITS valid bits */
+
+static int get_sfu_uid_mode(struct inode * inode,
+ const unsigned char *path,
+ struct cifs_sb_info *cifs_sb, int xid)
+{
+#ifdef CONFIG_CIFS_XATTR
+ ssize_t rc;
+ char ea_value[4];
+ __u32 mode;
+
+ rc = CIFSSMBQueryEA(xid, cifs_sb->tcon, path, "SETFILEBITS",
+ ea_value, 4 /* size of buf */, cifs_sb->local_nls,
+ cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
+ if(rc < 0)
+ return (int)rc;
+ else if (rc > 3) {
+ mode = le32_to_cpu(*((__le32 *)ea_value));
+ inode->i_mode &= ~SFBITS_MASK;
+ cFYI(1,("special bits 0%o org mode 0%o", mode, inode->i_mode));
+ inode->i_mode = (mode & SFBITS_MASK) | inode->i_mode;
+ cFYI(1,("special mode bits 0%o", mode));
+ return 0;
+ } else {
+ return 0;
+ }
+#else
+ return -EOPNOTSUPP;
+#endif
+
+
+}
+
int cifs_get_inode_info(struct inode **pinode,
const unsigned char *search_path, FILE_ALL_INFO *pfindData,
struct super_block *sb, int xid)
char *buf = NULL;
pTcon = cifs_sb->tcon;
- cFYI(1,("Getting info on %s ", search_path));
+ cFYI(1,("Getting info on %s", search_path));
if ((pfindData == NULL) && (*pinode != NULL)) {
if (CIFS_I(*pinode)->clientCanCacheRead) {
pfindData = (FILE_ALL_INFO *)buf;
/* could do find first instead but this returns more info */
rc = CIFSSMBQPathInfo(xid, pTcon, search_path, pfindData,
+ 0 /* not legacy */,
cifs_sb->local_nls, cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
/* BB optimize code so we do not make the above call
/* get new inode */
if (*pinode == NULL) {
*pinode = new_inode(sb);
- if (*pinode == NULL)
+ if (*pinode == NULL) {
+ kfree(buf);
return -ENOMEM;
+ }
/* Is an i_ino of zero legal? Can we use that to check
if the server supports returning inode numbers? Are
there other sanity checks we can use to ensure that
inode = *pinode;
cifsInfo = CIFS_I(inode);
cifsInfo->cifsAttrs = attr;
- cFYI(1, (" Old time %ld ", cifsInfo->time));
+ cFYI(1, ("Old time %ld", cifsInfo->time));
cifsInfo->time = jiffies;
- cFYI(1, (" New time %ld ", cifsInfo->time));
+ cFYI(1, ("New time %ld", cifsInfo->time));
/* blksize needs to be multiple of two. So safer to default to
blksize and blkbits set in superblock so 2**blkbits and blksize
will match rather than setting to:
(pTcon->ses->server->maxBuf - MAX_CIFS_HDR_SIZE) & 0xFFFFFE00;*/
- /* Linux can not store file creation time unfortunately so we ignore it */
- inode->i_atime =
- cifs_NTtimeToUnix(le64_to_cpu(pfindData->LastAccessTime));
+ /* Linux can not store file creation time so ignore it */
+ if(pfindData->LastAccessTime)
+ inode->i_atime = cifs_NTtimeToUnix
+ (le64_to_cpu(pfindData->LastAccessTime));
+ else /* do not need to use current_fs_time - time not stored */
+ inode->i_atime = CURRENT_TIME;
inode->i_mtime =
cifs_NTtimeToUnix(le64_to_cpu(pfindData->LastWriteTime));
inode->i_ctime =
cifs_NTtimeToUnix(le64_to_cpu(pfindData->ChangeTime));
- cFYI(0, (" Attributes came in as 0x%x ", attr));
+ cFYI(0, ("Attributes came in as 0x%x", attr));
/* set default mode. will override for dirs below */
if (atomic_read(&cifsInfo->inUse) == 0)
/* new inode, can safely set these fields */
inode->i_mode = cifs_sb->mnt_file_mode;
-
+ else /* since we set the inode type below we need to mask off
+ to avoid strange results if type changes and both get orred in */
+ inode->i_mode &= ~S_IFMT;
/* if (attr & ATTR_REPARSE) */
/* We no longer handle these as symlinks because we could not
follow them due to the absolute path with drive letter */
(pfindData->EndOfFile == 0)) {
inode->i_mode = cifs_sb->mnt_file_mode;
inode->i_mode |= S_IFIFO;
-/* BB Finish for SFU style symlinks and devies */
-/* } else if ((cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL) &&
- (cifsInfo->cifsAttrs & ATTR_SYSTEM) && ) */
-
+/* BB Finish for SFU style symlinks and devices */
+ } else if ((cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL) &&
+ (cifsInfo->cifsAttrs & ATTR_SYSTEM)) {
+ if (decode_sfu_inode(inode,
+ le64_to_cpu(pfindData->EndOfFile),
+ search_path,
+ cifs_sb, xid)) {
+ cFYI(1,("Unrecognized sfu inode type"));
+ }
+ cFYI(1,("sfu mode 0%o",inode->i_mode));
} else {
inode->i_mode |= S_IFREG;
/* treat the dos attribute of read-only as read-only
/* BB fill in uid and gid here? with help from winbind?
or retrieve from NTFS stream extended attribute */
- if (atomic_read(&cifsInfo->inUse) == 0) {
+ if(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL) {
+ /* fill in uid, gid, mode from server ACL */
+ get_sfu_uid_mode(inode, search_path, cifs_sb, xid);
+ } else if (atomic_read(&cifsInfo->inUse) == 0) {
inode->i_uid = cifs_sb->mnt_uid;
inode->i_gid = cifs_sb->mnt_gid;
/* set so we do not keep refreshing these fields with
}
if (S_ISREG(inode->i_mode)) {
- cFYI(1, (" File inode "));
+ cFYI(1, ("File inode"));
inode->i_op = &cifs_file_inode_ops;
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DIRECT_IO) {
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_BRL)
else /* not direct, send byte range locks */
inode->i_fop = &cifs_file_ops;
- inode->i_data.a_ops = &cifs_addr_ops;
if(pTcon->ses->server->maxBuf <
- 4096 + MAX_CIFS_HDR_SIZE)
- inode->i_data.a_ops->readpages = NULL;
+ PAGE_CACHE_SIZE + MAX_CIFS_HDR_SIZE)
+ inode->i_data.a_ops = &cifs_addr_ops_smallbuf;
+ else
+ inode->i_data.a_ops = &cifs_addr_ops;
} else if (S_ISDIR(inode->i_mode)) {
- cFYI(1, (" Directory inode "));
+ cFYI(1, ("Directory inode"));
inode->i_op = &cifs_dir_inode_ops;
inode->i_fop = &cifs_dir_ops;
} else if (S_ISLNK(inode->i_mode)) {
- cFYI(1, (" Symbolic Link inode "));
+ cFYI(1, ("Symbolic Link inode"));
inode->i_op = &cifs_symlink_inode_ops;
} else {
init_special_inode(inode, inode->i_mode,
struct cifsInodeInfo *cifsInode;
FILE_BASIC_INFO *pinfo_buf;
- cFYI(1, (" cifs_unlink, inode = 0x%p with ", inode));
+ cFYI(1, ("cifs_unlink, inode = 0x%p", inode));
xid = GetXid();
- cifs_sb = CIFS_SB(inode->i_sb);
+ if(inode)
+ cifs_sb = CIFS_SB(inode->i_sb);
+ else
+ cifs_sb = CIFS_SB(direntry->d_sb);
pTcon = cifs_sb->tcon;
/* Unlink can be called from rename so we can not grab the sem here
since we deadlock otherwise */
-/* down(&direntry->d_sb->s_vfs_rename_sem);*/
+/* mutex_lock(&direntry->d_sb->s_vfs_rename_mutex);*/
full_path = build_path_from_dentry(direntry);
-/* up(&direntry->d_sb->s_vfs_rename_sem);*/
+/* mutex_unlock(&direntry->d_sb->s_vfs_rename_mutex);*/
if (full_path == NULL) {
FreeXid(xid);
return -ENOMEM;
}
} else if (rc == -EACCES) {
/* try only if r/o attribute set in local lookup data? */
- pinfo_buf = kmalloc(sizeof(FILE_BASIC_INFO), GFP_KERNEL);
+ pinfo_buf = kzalloc(sizeof(FILE_BASIC_INFO), GFP_KERNEL);
if (pinfo_buf) {
- memset(pinfo_buf, 0, sizeof(FILE_BASIC_INFO));
/* ATTRS set to normal clears r/o bit */
pinfo_buf->Attributes = cpu_to_le32(ATTR_NORMAL);
if (!(pTcon->ses->flags & CIFS_SES_NT4))
when needed */
direntry->d_inode->i_ctime = current_fs_time(inode->i_sb);
}
- inode->i_ctime = inode->i_mtime = current_fs_time(inode->i_sb);
- cifsInode = CIFS_I(inode);
- cifsInode->time = 0; /* force revalidate of dir as well */
+ if(inode) {
+ inode->i_ctime = inode->i_mtime = current_fs_time(inode->i_sb);
+ cifsInode = CIFS_I(inode);
+ cifsInode->time = 0; /* force revalidate of dir as well */
+ }
kfree(full_path);
FreeXid(xid);
char *full_path = NULL;
struct inode *newinode = NULL;
- cFYI(1, ("In cifs_mkdir, mode = 0x%x inode = 0x%p ", mode, inode));
+ cFYI(1, ("In cifs_mkdir, mode = 0x%x inode = 0x%p", mode, inode));
xid = GetXid();
cifs_sb = CIFS_SB(inode->i_sb);
pTcon = cifs_sb->tcon;
- down(&inode->i_sb->s_vfs_rename_sem);
full_path = build_path_from_dentry(direntry);
- up(&inode->i_sb->s_vfs_rename_sem);
if (full_path == NULL) {
FreeXid(xid);
return -ENOMEM;
rc = CIFSSMBMkDir(xid, pTcon, full_path, cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
if (rc) {
- cFYI(1, ("cifs_mkdir returned 0x%x ", rc));
+ cFYI(1, ("cifs_mkdir returned 0x%x", rc));
d_drop(direntry);
} else {
inode->i_nlink++;
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SET_UID) {
CIFSSMBUnixSetPerms(xid, pTcon, full_path,
mode,
- (__u64)current->euid,
- (__u64)current->egid,
+ (__u64)current->fsuid,
+ (__u64)current->fsgid,
0 /* dev_t */,
cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags &
/* BB to be implemented via Windows secrty descriptors
eg CIFSSMBWinSetPerms(xid, pTcon, full_path, mode,
-1, -1, local_nls); */
+ if(direntry->d_inode) {
+ direntry->d_inode->i_mode = mode;
+ direntry->d_inode->i_mode |= S_IFDIR;
+ if(cifs_sb->mnt_cifs_flags &
+ CIFS_MOUNT_SET_UID) {
+ direntry->d_inode->i_uid =
+ current->fsuid;
+ direntry->d_inode->i_gid =
+ current->fsgid;
+ }
+ }
}
}
kfree(full_path);
char *full_path = NULL;
struct cifsInodeInfo *cifsInode;
- cFYI(1, (" cifs_rmdir, inode = 0x%p with ", inode));
+ cFYI(1, ("cifs_rmdir, inode = 0x%p", inode));
xid = GetXid();
cifs_sb = CIFS_SB(inode->i_sb);
pTcon = cifs_sb->tcon;
- down(&inode->i_sb->s_vfs_rename_sem);
full_path = build_path_from_dentry(direntry);
- up(&inode->i_sb->s_vfs_rename_sem);
if (full_path == NULL) {
FreeXid(xid);
return -ENOMEM;
}
/* can not grab this sem since kernel filesys locking documentation
- indicates i_sem may be taken by the kernel on lookup and rename
- which could deadlock if we grab the i_sem here as well */
-/* down(&direntry->d_inode->i_sem);*/
+ indicates i_mutex may be taken by the kernel on lookup and rename
+ which could deadlock if we grab the i_mutex here as well */
+/* mutex_lock(&direntry->d_inode->i_mutex);*/
/* need to write out dirty pages here */
if (direntry->d_inode->i_mapping) {
/* do we need to lock inode until after invalidate completes
filemap_fdatawrite(direntry->d_inode->i_mapping);
}
if (invalidate_inode) {
- if (direntry->d_inode->i_mapping)
- filemap_fdatawait(direntry->d_inode->i_mapping);
- /* may eventually have to do this for open files too */
- if (list_empty(&(cifsInode->openFileList))) {
- /* Has changed on server - flush read ahead pages */
- cFYI(1, ("Invalidating read ahead data on "
- "closed file"));
- invalidate_remote_inode(direntry->d_inode);
+ /* shrink_dcache not necessary now that cifs dentry ops
+ are exported for negative dentries */
+/* if(S_ISDIR(direntry->d_inode->i_mode))
+ shrink_dcache_parent(direntry); */
+ if (S_ISREG(direntry->d_inode->i_mode)) {
+ if (direntry->d_inode->i_mapping)
+ filemap_fdatawait(direntry->d_inode->i_mapping);
+ /* may eventually have to do this for open files too */
+ if (list_empty(&(cifsInode->openFileList))) {
+ /* changed on server - flush read ahead pages */
+ cFYI(1, ("Invalidating read ahead data on "
+ "closed file"));
+ invalidate_remote_inode(direntry->d_inode);
+ }
}
}
-/* up(&direntry->d_inode->i_sem); */
+/* mutex_unlock(&direntry->d_inode->i_mutex); */
kfree(full_path);
FreeXid(xid);
xid = GetXid();
- cFYI(1, (" In cifs_setattr, name = %s attrs->iavalid 0x%x ",
+ cFYI(1, ("setattr on file %s attrs->iavalid 0x%x",
direntry->d_name.name, attrs->ia_valid));
+
cifs_sb = CIFS_SB(direntry->d_inode->i_sb);
pTcon = cifs_sb->tcon;
- down(&direntry->d_sb->s_vfs_rename_sem);
+ if ((cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_PERM) == 0) {
+ /* check if we have permission to change attrs */
+ rc = inode_change_ok(direntry->d_inode, attrs);
+ if(rc < 0) {
+ FreeXid(xid);
+ return rc;
+ } else
+ rc = 0;
+ }
+
full_path = build_path_from_dentry(direntry);
- up(&direntry->d_sb->s_vfs_rename_sem);
if (full_path == NULL) {
FreeXid(xid);
return -ENOMEM;
/* BB check if we need to refresh inode from server now ? BB */
/* need to flush data before changing file size on server */
- filemap_fdatawrite(direntry->d_inode->i_mapping);
- filemap_fdatawait(direntry->d_inode->i_mapping);
+ filemap_write_and_wait(direntry->d_inode->i_mapping);
if (attrs->ia_valid & ATTR_SIZE) {
/* To avoid spurious oplock breaks from server, in the case of
when the local oplock break takes longer to flush
writebehind data than the SMB timeout for the SetPathInfo
request would allow */
+
open_file = find_writable_file(cifsInode);
if (open_file) {
__u16 nfid = open_file->netfid;
nfid, npid, FALSE);
atomic_dec(&open_file->wrtPending);
cFYI(1,("SetFSize for attrs rc = %d", rc));
- if(rc == -EINVAL) {
+ if((rc == -EINVAL) || (rc == -EOPNOTSUPP)) {
int bytes_written;
rc = CIFSSMBWrite(xid, pTcon,
nfid, 0, attrs->ia_size,
1 /* 45 seconds */);
cFYI(1,("Wrt seteof rc %d", rc));
}
- }
+ } else
+ rc = -EINVAL;
+
if (rc != 0) {
/* Set file size by pathname rather than by handle
either because no valid, writeable file handle for
cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
cFYI(1, ("SetEOF by path (setattrs) rc = %d", rc));
- if(rc == -EINVAL) {
+ if((rc == -EINVAL) || (rc == -EOPNOTSUPP)) {
__u16 netfid;
int oplock = FALSE;
cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
else if (attrs->ia_valid & ATTR_MODE) {
+ rc = 0;
if ((mode & S_IWUGO) == 0) /* not writeable */ {
if ((cifsInode->cifsAttrs & ATTR_READONLY) == 0)
time_buf.Attributes =
it may be useful to Windows - but we do
not want to set ctime unless some other
timestamp is changing */
- cFYI(1, ("CIFS - CTIME changed "));
+ cFYI(1, ("CIFS - CTIME changed"));
time_buf.ChangeTime =
cpu_to_le64(cifs_UnixTimeToNT(attrs->ia_ctime));
} else
void cifs_delete_inode(struct inode *inode)
{
- cFYI(1, ("In cifs_delete_inode, inode = 0x%p ", inode));
+ cFYI(1, ("In cifs_delete_inode, inode = 0x%p", inode));
/* may have to add back in if and when safe distributed caching of
directories added e.g. via FindNotify */
}