*/
#include <linux/fs.h>
#include <linux/pagemap.h>
+#include <linux/slab.h>
#include <linux/stat.h>
#include "cifspdu.h"
#include "cifsglob.h"
if (file) {
cf = file->private_data;
if (cf == NULL) {
- cFYI(1, ("empty cifs private file data"));
+ cFYI(1, "empty cifs private file data");
return;
}
if (cf->invalidHandle)
- cFYI(1, ("invalid handle"));
+ cFYI(1, "invalid handle");
if (cf->srch_inf.endOfSearch)
- cFYI(1, ("end of search"));
+ cFYI(1, "end of search");
if (cf->srch_inf.emptyDir)
- cFYI(1, ("empty dir"));
+ cFYI(1, "empty dir");
}
}
#else
}
#endif /* DEBUG2 */
-/* Returns 1 if new inode created, 2 if both dentry and inode were */
-/* Might check in the future if inode number changed so we can rehash inode */
-static int
-construct_dentry(struct qstr *qstring, struct file *file,
- struct inode **ptmp_inode, struct dentry **pnew_dentry,
- __u64 *inum)
+/*
+ * Find the dentry that matches "name". If there isn't one, create one. If it's
+ * a negative dentry or the uniqueid changed, then drop it and recreate it.
+ */
+static struct dentry *
+cifs_readdir_lookup(struct dentry *parent, struct qstr *name,
+ struct cifs_fattr *fattr)
{
- struct dentry *tmp_dentry = NULL;
- struct super_block *sb = file->f_path.dentry->d_sb;
- int rc = 0;
-
- cFYI(1, ("For %s", qstring->name));
-
- qstring->hash = full_name_hash(qstring->name, qstring->len);
- tmp_dentry = d_lookup(file->f_path.dentry, qstring);
- if (tmp_dentry) {
- /* BB: overwrite old name? i.e. tmp_dentry->d_name and
- * tmp_dentry->d_name.len??
- */
- cFYI(0, ("existing dentry with inode 0x%p",
- tmp_dentry->d_inode));
- *ptmp_inode = tmp_dentry->d_inode;
- if (*ptmp_inode == NULL) {
- *ptmp_inode = cifs_new_inode(sb, inum);
- if (*ptmp_inode == NULL)
- return rc;
- rc = 1;
- }
- } else {
- tmp_dentry = d_alloc(file->f_path.dentry, qstring);
- if (tmp_dentry == NULL) {
- cERROR(1, ("Failed allocating dentry"));
- *ptmp_inode = NULL;
- return rc;
- }
+ struct dentry *dentry, *alias;
+ struct inode *inode;
+ struct super_block *sb = parent->d_inode->i_sb;
- if (CIFS_SB(sb)->tcon->nocase)
- tmp_dentry->d_op = &cifs_ci_dentry_ops;
- else
- tmp_dentry->d_op = &cifs_dentry_ops;
+ cFYI(1, "For %s", name->name);
- *ptmp_inode = cifs_new_inode(sb, inum);
- if (*ptmp_inode == NULL)
- return rc;
- rc = 2;
+ if (parent->d_op && parent->d_op->d_hash)
+ parent->d_op->d_hash(parent, name);
+ else
+ name->hash = full_name_hash(name->name, name->len);
+
+ dentry = d_lookup(parent, name);
+ if (dentry) {
+ /* FIXME: check for inode number changes? */
+ if (dentry->d_inode != NULL)
+ return dentry;
+ d_drop(dentry);
+ dput(dentry);
}
- tmp_dentry->d_time = jiffies;
- *pnew_dentry = tmp_dentry;
- return rc;
-}
+ dentry = d_alloc(parent, name);
+ if (dentry == NULL)
+ return NULL;
-static void AdjustForTZ(struct cifsTconInfo *tcon, struct inode *inode)
-{
- if ((tcon) && (tcon->ses) && (tcon->ses->server)) {
- inode->i_ctime.tv_sec += tcon->ses->server->timeAdj;
- inode->i_mtime.tv_sec += tcon->ses->server->timeAdj;
- inode->i_atime.tv_sec += tcon->ses->server->timeAdj;
+ inode = cifs_iget(sb, fattr);
+ if (!inode) {
+ dput(dentry);
+ return NULL;
}
- return;
-}
-
-static void fill_in_inode(struct inode *tmp_inode, int new_buf_type,
- char *buf, unsigned int *pobject_type, int isNewInode)
-{
- loff_t local_size;
- struct timespec local_mtime;
-
- struct cifsInodeInfo *cifsInfo = CIFS_I(tmp_inode);
- struct cifs_sb_info *cifs_sb = CIFS_SB(tmp_inode->i_sb);
- __u32 attr;
- __u64 allocation_size;
- __u64 end_of_file;
- umode_t default_mode;
-
- /* save mtime and size */
- local_mtime = tmp_inode->i_mtime;
- local_size = tmp_inode->i_size;
-
- if (new_buf_type) {
- FILE_DIRECTORY_INFO *pfindData = (FILE_DIRECTORY_INFO *)buf;
-
- attr = le32_to_cpu(pfindData->ExtFileAttributes);
- allocation_size = le64_to_cpu(pfindData->AllocationSize);
- end_of_file = le64_to_cpu(pfindData->EndOfFile);
- tmp_inode->i_atime =
- cifs_NTtimeToUnix(le64_to_cpu(pfindData->LastAccessTime));
- tmp_inode->i_mtime =
- cifs_NTtimeToUnix(le64_to_cpu(pfindData->LastWriteTime));
- tmp_inode->i_ctime =
- cifs_NTtimeToUnix(le64_to_cpu(pfindData->ChangeTime));
- } else { /* legacy, OS2 and DOS style */
-/* struct timespec ts;*/
- FIND_FILE_STANDARD_INFO *pfindData =
- (FIND_FILE_STANDARD_INFO *)buf;
-
- tmp_inode->i_mtime = cnvrtDosUnixTm(
- le16_to_cpu(pfindData->LastWriteDate),
- le16_to_cpu(pfindData->LastWriteTime));
- tmp_inode->i_atime = cnvrtDosUnixTm(
- le16_to_cpu(pfindData->LastAccessDate),
- le16_to_cpu(pfindData->LastAccessTime));
- tmp_inode->i_ctime = cnvrtDosUnixTm(
- le16_to_cpu(pfindData->LastWriteDate),
- le16_to_cpu(pfindData->LastWriteTime));
- AdjustForTZ(cifs_sb->tcon, tmp_inode);
- attr = le16_to_cpu(pfindData->Attributes);
- allocation_size = le32_to_cpu(pfindData->AllocationSize);
- end_of_file = le32_to_cpu(pfindData->DataSize);
+ if (CIFS_SB(sb)->tcon->nocase)
+ dentry->d_op = &cifs_ci_dentry_ops;
+ else
+ dentry->d_op = &cifs_dentry_ops;
+
+ alias = d_materialise_unique(dentry, inode);
+ if (alias != NULL) {
+ dput(dentry);
+ if (IS_ERR(alias))
+ return NULL;
+ dentry = alias;
}
- /* Linux can not store file creation time unfortunately so ignore it */
+ return dentry;
+}
- cifsInfo->cifsAttrs = attr;
-#ifdef CONFIG_CIFS_EXPERIMENTAL
- if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_ACL) {
- /* get more accurate mode via ACL - so force inode refresh */
- cifsInfo->time = 0;
- } else
-#endif /* CONFIG_CIFS_EXPERIMENTAL */
- cifsInfo->time = jiffies;
-
- /* treat dos attribute of read-only as read-only mode bit e.g. 555? */
- /* 2767 perms - indicate mandatory locking */
- /* BB fill in uid and gid here? with help from winbind?
- or retrieve from NTFS stream extended attribute */
- if (atomic_read(&cifsInfo->inUse) == 0) {
- tmp_inode->i_uid = cifs_sb->mnt_uid;
- tmp_inode->i_gid = cifs_sb->mnt_gid;
- }
+static void
+cifs_fill_common_info(struct cifs_fattr *fattr, struct cifs_sb_info *cifs_sb)
+{
+ fattr->cf_uid = cifs_sb->mnt_uid;
+ fattr->cf_gid = cifs_sb->mnt_gid;
- if (attr & ATTR_DIRECTORY)
- default_mode = cifs_sb->mnt_dir_mode;
- else
- default_mode = cifs_sb->mnt_file_mode;
-
- /* set initial permissions */
- if ((atomic_read(&cifsInfo->inUse) == 0) ||
- (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DYNPERM) == 0)
- tmp_inode->i_mode = default_mode;
- else {
- /* just reenable write bits if !ATTR_READONLY */
- if ((tmp_inode->i_mode & S_IWUGO) == 0 &&
- (attr & ATTR_READONLY) == 0)
- tmp_inode->i_mode |= (S_IWUGO & default_mode);
-
- tmp_inode->i_mode &= ~S_IFMT;
+ if (fattr->cf_cifsattrs & ATTR_DIRECTORY) {
+ fattr->cf_mode = S_IFDIR | cifs_sb->mnt_dir_mode;
+ fattr->cf_dtype = DT_DIR;
+ } else {
+ fattr->cf_mode = S_IFREG | cifs_sb->mnt_file_mode;
+ fattr->cf_dtype = DT_REG;
}
- /* clear write bits if ATTR_READONLY is set */
- if (attr & ATTR_READONLY)
- tmp_inode->i_mode &= ~S_IWUGO;
+ if (fattr->cf_cifsattrs & ATTR_READONLY)
+ fattr->cf_mode &= ~S_IWUGO;
- /* set inode type */
- if ((attr & ATTR_SYSTEM) &&
- (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL)) {
- if (end_of_file == 0) {
- tmp_inode->i_mode |= S_IFIFO;
- *pobject_type = DT_FIFO;
+ if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL &&
+ fattr->cf_cifsattrs & ATTR_SYSTEM) {
+ if (fattr->cf_eof == 0) {
+ fattr->cf_mode &= ~S_IFMT;
+ fattr->cf_mode |= S_IFIFO;
+ fattr->cf_dtype = DT_FIFO;
} else {
/*
- * trying to get the type can be slow, so just call
- * this a regular file for now, and mark for reval
+ * trying to get the type and mode via SFU can be slow,
+ * so just call those regular files for now, and mark
+ * for reval
*/
- tmp_inode->i_mode |= S_IFREG;
- *pobject_type = DT_REG;
- cifsInfo->time = 0;
- }
- } else {
- if (attr & ATTR_DIRECTORY) {
- tmp_inode->i_mode |= S_IFDIR;
- *pobject_type = DT_DIR;
- } else {
- tmp_inode->i_mode |= S_IFREG;
- *pobject_type = DT_REG;
+ fattr->cf_flags |= CIFS_FATTR_NEED_REVAL;
}
}
+}
- /* can not fill in nlink here as in qpathinfo version and Unx search */
- if (atomic_read(&cifsInfo->inUse) == 0)
- atomic_set(&cifsInfo->inUse, 1);
-
- cifsInfo->server_eof = end_of_file;
- spin_lock(&tmp_inode->i_lock);
- if (is_size_safe_to_change(cifsInfo, end_of_file)) {
- /* can not safely change the file size here if the
- client is writing to it due to potential races */
- i_size_write(tmp_inode, end_of_file);
-
- /* 512 bytes (2**9) is the fake blocksize that must be used */
- /* for this calculation, even though the reported blocksize is larger */
- tmp_inode->i_blocks = (512 - 1 + allocation_size) >> 9;
- }
- spin_unlock(&tmp_inode->i_lock);
-
- if (allocation_size < end_of_file)
- cFYI(1, ("May be sparse file, allocation less than file size"));
- cFYI(1, ("File Size %ld and blocks %llu",
- (unsigned long)tmp_inode->i_size,
- (unsigned long long)tmp_inode->i_blocks));
- if (S_ISREG(tmp_inode->i_mode)) {
- cFYI(1, ("File inode"));
- tmp_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)
- tmp_inode->i_fop = &cifs_file_direct_nobrl_ops;
- else
- tmp_inode->i_fop = &cifs_file_direct_ops;
- } else if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_BRL)
- tmp_inode->i_fop = &cifs_file_nobrl_ops;
- else
- tmp_inode->i_fop = &cifs_file_ops;
-
- if ((cifs_sb->tcon) && (cifs_sb->tcon->ses) &&
- (cifs_sb->tcon->ses->server->maxBuf <
- PAGE_CACHE_SIZE + MAX_CIFS_HDR_SIZE))
- tmp_inode->i_data.a_ops = &cifs_addr_ops_smallbuf;
- else
- tmp_inode->i_data.a_ops = &cifs_addr_ops;
-
- if (isNewInode)
- return; /* No sense invalidating pages for new inode
- since have not started caching readahead file
- data yet */
-
- if (timespec_equal(&tmp_inode->i_mtime, &local_mtime) &&
- (local_size == tmp_inode->i_size)) {
- cFYI(1, ("inode exists but unchanged"));
- } else {
- /* file may have changed on server */
- cFYI(1, ("invalidate inode, readdir detected change"));
- invalidate_remote_inode(tmp_inode);
- }
- } else if (S_ISDIR(tmp_inode->i_mode)) {
- cFYI(1, ("Directory inode"));
- tmp_inode->i_op = &cifs_dir_inode_ops;
- tmp_inode->i_fop = &cifs_dir_ops;
- } else if (S_ISLNK(tmp_inode->i_mode)) {
- cFYI(1, ("Symbolic Link inode"));
- tmp_inode->i_op = &cifs_symlink_inode_ops;
- } else {
- cFYI(1, ("Init special inode"));
- init_special_inode(tmp_inode, tmp_inode->i_mode,
- tmp_inode->i_rdev);
- }
+static void
+cifs_dir_info_to_fattr(struct cifs_fattr *fattr, FILE_DIRECTORY_INFO *info,
+ struct cifs_sb_info *cifs_sb)
+{
+ memset(fattr, 0, sizeof(*fattr));
+ fattr->cf_cifsattrs = le32_to_cpu(info->ExtFileAttributes);
+ fattr->cf_eof = le64_to_cpu(info->EndOfFile);
+ fattr->cf_bytes = le64_to_cpu(info->AllocationSize);
+ fattr->cf_atime = cifs_NTtimeToUnix(info->LastAccessTime);
+ fattr->cf_ctime = cifs_NTtimeToUnix(info->ChangeTime);
+ fattr->cf_mtime = cifs_NTtimeToUnix(info->LastWriteTime);
+
+ cifs_fill_common_info(fattr, cifs_sb);
}
-static void unix_fill_in_inode(struct inode *tmp_inode,
- FILE_UNIX_INFO *pfindData, unsigned int *pobject_type, int isNewInode)
+static void
+cifs_std_info_to_fattr(struct cifs_fattr *fattr, FIND_FILE_STANDARD_INFO *info,
+ struct cifs_sb_info *cifs_sb)
{
- loff_t local_size;
- struct timespec local_mtime;
-
- struct cifsInodeInfo *cifsInfo = CIFS_I(tmp_inode);
- struct cifs_sb_info *cifs_sb = CIFS_SB(tmp_inode->i_sb);
-
- __u32 type = le32_to_cpu(pfindData->Type);
- __u64 num_of_bytes = le64_to_cpu(pfindData->NumOfBytes);
- __u64 end_of_file = le64_to_cpu(pfindData->EndOfFile);
- cifsInfo->time = jiffies;
- atomic_inc(&cifsInfo->inUse);
-
- /* save mtime and size */
- local_mtime = tmp_inode->i_mtime;
- local_size = tmp_inode->i_size;
-
- tmp_inode->i_atime =
- cifs_NTtimeToUnix(le64_to_cpu(pfindData->LastAccessTime));
- tmp_inode->i_mtime =
- cifs_NTtimeToUnix(le64_to_cpu(pfindData->LastModificationTime));
- tmp_inode->i_ctime =
- cifs_NTtimeToUnix(le64_to_cpu(pfindData->LastStatusChange));
-
- tmp_inode->i_mode = le64_to_cpu(pfindData->Permissions);
- /* since we set the inode type below we need to mask off type
- to avoid strange results if bits above were corrupt */
- tmp_inode->i_mode &= ~S_IFMT;
- if (type == UNIX_FILE) {
- *pobject_type = DT_REG;
- tmp_inode->i_mode |= S_IFREG;
- } else if (type == UNIX_SYMLINK) {
- *pobject_type = DT_LNK;
- tmp_inode->i_mode |= S_IFLNK;
- } else if (type == UNIX_DIR) {
- *pobject_type = DT_DIR;
- tmp_inode->i_mode |= S_IFDIR;
- } else if (type == UNIX_CHARDEV) {
- *pobject_type = DT_CHR;
- tmp_inode->i_mode |= S_IFCHR;
- tmp_inode->i_rdev = MKDEV(le64_to_cpu(pfindData->DevMajor),
- le64_to_cpu(pfindData->DevMinor) & MINORMASK);
- } else if (type == UNIX_BLOCKDEV) {
- *pobject_type = DT_BLK;
- tmp_inode->i_mode |= S_IFBLK;
- tmp_inode->i_rdev = MKDEV(le64_to_cpu(pfindData->DevMajor),
- le64_to_cpu(pfindData->DevMinor) & MINORMASK);
- } else if (type == UNIX_FIFO) {
- *pobject_type = DT_FIFO;
- tmp_inode->i_mode |= S_IFIFO;
- } else if (type == UNIX_SOCKET) {
- *pobject_type = DT_SOCK;
- tmp_inode->i_mode |= S_IFSOCK;
- } else {
- /* safest to just call it a file */
- *pobject_type = DT_REG;
- tmp_inode->i_mode |= S_IFREG;
- cFYI(1, ("unknown inode type %d", type));
- }
+ int offset = cifs_sb->tcon->ses->server->timeAdj;
- if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_OVERR_UID)
- tmp_inode->i_uid = cifs_sb->mnt_uid;
- else
- tmp_inode->i_uid = le64_to_cpu(pfindData->Uid);
- if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_OVERR_GID)
- tmp_inode->i_gid = cifs_sb->mnt_gid;
- else
- tmp_inode->i_gid = le64_to_cpu(pfindData->Gid);
- tmp_inode->i_nlink = le64_to_cpu(pfindData->Nlinks);
-
- cifsInfo->server_eof = end_of_file;
- spin_lock(&tmp_inode->i_lock);
- if (is_size_safe_to_change(cifsInfo, end_of_file)) {
- /* can not safely change the file size here if the
- client is writing to it due to potential races */
- i_size_write(tmp_inode, end_of_file);
-
- /* 512 bytes (2**9) is the fake blocksize that must be used */
- /* for this calculation, not the real blocksize */
- tmp_inode->i_blocks = (512 - 1 + num_of_bytes) >> 9;
- }
- spin_unlock(&tmp_inode->i_lock);
+ memset(fattr, 0, sizeof(*fattr));
+ fattr->cf_atime = cnvrtDosUnixTm(info->LastAccessDate,
+ info->LastAccessTime, offset);
+ fattr->cf_ctime = cnvrtDosUnixTm(info->LastWriteDate,
+ info->LastWriteTime, offset);
+ fattr->cf_mtime = cnvrtDosUnixTm(info->LastWriteDate,
+ info->LastWriteTime, offset);
- if (S_ISREG(tmp_inode->i_mode)) {
- cFYI(1, ("File inode"));
- tmp_inode->i_op = &cifs_file_inode_ops;
+ fattr->cf_cifsattrs = le16_to_cpu(info->Attributes);
+ fattr->cf_bytes = le32_to_cpu(info->AllocationSize);
+ fattr->cf_eof = le32_to_cpu(info->DataSize);
- if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DIRECT_IO) {
- if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_BRL)
- tmp_inode->i_fop = &cifs_file_direct_nobrl_ops;
- else
- tmp_inode->i_fop = &cifs_file_direct_ops;
- } else if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_BRL)
- tmp_inode->i_fop = &cifs_file_nobrl_ops;
- else
- tmp_inode->i_fop = &cifs_file_ops;
-
- if ((cifs_sb->tcon) && (cifs_sb->tcon->ses) &&
- (cifs_sb->tcon->ses->server->maxBuf <
- PAGE_CACHE_SIZE + MAX_CIFS_HDR_SIZE))
- tmp_inode->i_data.a_ops = &cifs_addr_ops_smallbuf;
- else
- tmp_inode->i_data.a_ops = &cifs_addr_ops;
-
- if (isNewInode)
- return; /* No sense invalidating pages for new inode
- since we have not started caching readahead
- file data for it yet */
-
- if (timespec_equal(&tmp_inode->i_mtime, &local_mtime) &&
- (local_size == tmp_inode->i_size)) {
- cFYI(1, ("inode exists but unchanged"));
- } else {
- /* file may have changed on server */
- cFYI(1, ("invalidate inode, readdir detected change"));
- invalidate_remote_inode(tmp_inode);
+ cifs_fill_common_info(fattr, cifs_sb);
+}
+
+/* BB eventually need to add the following helper function to
+ resolve NT_STATUS_STOPPED_ON_SYMLINK return code when
+ we try to do FindFirst on (NTFS) directory symlinks */
+/*
+int get_symlink_reparse_path(char *full_path, struct cifs_sb_info *cifs_sb,
+ int xid)
+{
+ __u16 fid;
+ int len;
+ int oplock = 0;
+ int rc;
+ struct cifsTconInfo *ptcon = cifs_sb->tcon;
+ char *tmpbuffer;
+
+ rc = CIFSSMBOpen(xid, ptcon, full_path, FILE_OPEN, GENERIC_READ,
+ OPEN_REPARSE_POINT, &fid, &oplock, NULL,
+ cifs_sb->local_nls,
+ cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
+ if (!rc) {
+ tmpbuffer = kmalloc(maxpath);
+ rc = CIFSSMBQueryReparseLinkInfo(xid, ptcon, full_path,
+ tmpbuffer,
+ maxpath -1,
+ fid,
+ cifs_sb->local_nls);
+ if (CIFSSMBClose(xid, ptcon, fid)) {
+ cFYI(1, "Error closing temporary reparsepoint open");
}
- } else if (S_ISDIR(tmp_inode->i_mode)) {
- cFYI(1, ("Directory inode"));
- tmp_inode->i_op = &cifs_dir_inode_ops;
- tmp_inode->i_fop = &cifs_dir_ops;
- } else if (S_ISLNK(tmp_inode->i_mode)) {
- cFYI(1, ("Symbolic Link inode"));
- tmp_inode->i_op = &cifs_symlink_inode_ops;
-/* tmp_inode->i_fop = *//* do not need to set to anything */
- } else {
- cFYI(1, ("Special inode"));
- init_special_inode(tmp_inode, tmp_inode->i_mode,
- tmp_inode->i_rdev);
}
}
+ */
static int initiate_cifs_search(const int xid, struct file *file)
{
if (full_path == NULL)
return -ENOMEM;
- cFYI(1, ("Full path: %s start at: %lld", full_path, file->f_pos));
+ cFYI(1, "Full path: %s start at: %lld", full_path, file->f_pos);
ffirst_retry:
/* test for Unix extensions */
CIFS_MOUNT_MAP_SPECIAL_CHR, CIFS_DIR_SEP(cifs_sb));
if (rc == 0)
cifsFile->invalidHandle = false;
- if ((rc == -EOPNOTSUPP) &&
+ /* BB add following call to handle readdir on new NTFS symlink errors
+ else if STATUS_STOPPED_ON_SYMLINK
+ call get_symlink_reparse_path and retry with new path */
+ else if ((rc == -EOPNOTSUPP) &&
(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM)) {
cifs_sb->mnt_cifs_flags &= ~CIFS_MOUNT_SERVER_INUM;
goto ffirst_retry;
if (ustr[len] == 0)
return len << 1;
}
- cFYI(1, ("Unicode string longer than PATH_MAX found"));
+ cFYI(1, "Unicode string longer than PATH_MAX found");
return len << 1;
}
pfData->FileNameLength;
} else
new_entry = old_entry + le32_to_cpu(pDirInfo->NextEntryOffset);
- cFYI(1, ("new entry %p old entry %p", new_entry, old_entry));
+ cFYI(1, "new entry %p old entry %p", new_entry, old_entry);
/* validate that new_entry is not past end of SMB */
if (new_entry >= end_of_smb) {
- cERROR(1,
- ("search entry %p began after end of SMB %p old entry %p",
- new_entry, end_of_smb, old_entry));
+ cERROR(1, "search entry %p began after end of SMB %p old entry %p",
+ new_entry, end_of_smb, old_entry);
return NULL;
} else if (((level == SMB_FIND_FILE_INFO_STANDARD) &&
(new_entry + sizeof(FIND_FILE_STANDARD_INFO) > end_of_smb))
|| ((level != SMB_FIND_FILE_INFO_STANDARD) &&
(new_entry + sizeof(FILE_DIRECTORY_INFO) > end_of_smb))) {
- cERROR(1, ("search entry %p extends after end of SMB %p",
- new_entry, end_of_smb));
+ cERROR(1, "search entry %p extends after end of SMB %p",
+ new_entry, end_of_smb);
return NULL;
} else
return new_entry;
filename = &pFindData->FileName[0];
len = pFindData->FileNameLength;
} else {
- cFYI(1, ("Unknown findfirst level %d",
- cfile->srch_inf.info_level));
+ cFYI(1, "Unknown findfirst level %d",
+ cfile->srch_inf.info_level);
}
if (filename) {
len = (unsigned int)pFindData->FileNameLength;
cifsFile->srch_inf.resume_key = pFindData->ResumeKey;
} else {
- cFYI(1, ("Unknown findfirst level %d", level));
+ cFYI(1, "Unknown findfirst level %d", level);
return -EINVAL;
}
cifsFile->srch_inf.resume_name_len = len;
is_dir_changed(file)) ||
(index_to_find < first_entry_in_buffer)) {
/* close and restart search */
- cFYI(1, ("search backing up - close and restart search"));
+ cFYI(1, "search backing up - close and restart search");
write_lock(&GlobalSMBSeslock);
if (!cifsFile->srch_inf.endOfSearch &&
!cifsFile->invalidHandle) {
} else
write_unlock(&GlobalSMBSeslock);
if (cifsFile->srch_inf.ntwrk_buf_start) {
- cFYI(1, ("freeing SMB ff cache buf on search rewind"));
+ cFYI(1, "freeing SMB ff cache buf on search rewind");
if (cifsFile->srch_inf.smallBuf)
cifs_small_buf_release(cifsFile->srch_inf.
ntwrk_buf_start);
}
rc = initiate_cifs_search(xid, file);
if (rc) {
- cFYI(1, ("error %d reinitiating a search on rewind",
- rc));
+ cFYI(1, "error %d reinitiating a search on rewind",
+ rc);
return rc;
}
cifs_save_resume_key(cifsFile->srch_inf.last_entry, cifsFile);
while ((index_to_find >= cifsFile->srch_inf.index_of_last_entry) &&
(rc == 0) && !cifsFile->srch_inf.endOfSearch) {
- cFYI(1, ("calling findnext2"));
+ cFYI(1, "calling findnext2");
rc = CIFSFindNext(xid, pTcon, cifsFile->netfid,
&cifsFile->srch_inf);
cifs_save_resume_key(cifsFile->srch_inf.last_entry, cifsFile);
first_entry_in_buffer = cifsFile->srch_inf.index_of_last_entry
- cifsFile->srch_inf.entries_in_buffer;
pos_in_buf = index_to_find - first_entry_in_buffer;
- cFYI(1, ("found entry - pos_in_buf %d", pos_in_buf));
+ cFYI(1, "found entry - pos_in_buf %d", pos_in_buf);
for (i = 0; (i < (pos_in_buf)) && (current_entry != NULL); i++) {
/* go entry by entry figuring out which is first */
}
if ((current_entry == NULL) && (i < pos_in_buf)) {
/* BB fixme - check if we should flag this error */
- cERROR(1, ("reached end of buf searching for pos in buf"
+ cERROR(1, "reached end of buf searching for pos in buf"
" %d index to find %lld rc %d",
- pos_in_buf, index_to_find, rc));
+ pos_in_buf, index_to_find, rc);
}
rc = 0;
*ppCurrentEntry = current_entry;
} else {
- cFYI(1, ("index not in buffer - could not findnext into it"));
+ cFYI(1, "index not in buffer - could not findnext into it");
return 0;
}
if (pos_in_buf >= cifsFile->srch_inf.entries_in_buffer) {
- cFYI(1, ("can not return entries pos_in_buf beyond last"));
+ cFYI(1, "can not return entries pos_in_buf beyond last");
*num_to_ret = 0;
} else
*num_to_ret = cifsFile->srch_inf.entries_in_buffer - pos_in_buf;
len = strnlen(filename, PATH_MAX);
}
- *pinum = le64_to_cpu(pFindData->UniqueId);
+ *pinum = le64_to_cpu(pFindData->basic.UniqueId);
} else if (level == SMB_FIND_FILE_DIRECTORY_INFO) {
FILE_DIRECTORY_INFO *pFindData =
(FILE_DIRECTORY_INFO *)current_entry;
/* one byte length, no name conversion */
len = (unsigned int)pFindData->FileNameLength;
} else {
- cFYI(1, ("Unknown findfirst level %d", level));
+ cFYI(1, "Unknown findfirst level %d", level);
return -EINVAL;
}
if (len > max_len) {
- cERROR(1, ("bad search response length %d past smb end", len));
+ cERROR(1, "bad search response length %d past smb end", len);
return -EINVAL;
}
min(len, max_len), nlt,
cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
+ pqst->len -= nls_nullsize(nlt);
} else {
pqst->name = filename;
pqst->len = len;
}
- pqst->hash = full_name_hash(pqst->name, pqst->len);
-/* cFYI(1, ("filldir on %s",pqst->name)); */
return rc;
}
int rc = 0;
struct qstr qstring;
struct cifsFileInfo *pCifsF;
- unsigned int obj_type;
- __u64 inum;
+ u64 inum;
+ ino_t ino;
+ struct super_block *sb;
struct cifs_sb_info *cifs_sb;
- struct inode *tmp_inode;
struct dentry *tmp_dentry;
+ struct cifs_fattr fattr;
/* get filename and len into qstring */
/* get dentry */
if (rc != 0)
return 0;
- cifs_sb = CIFS_SB(file->f_path.dentry->d_sb);
+ sb = file->f_path.dentry->d_sb;
+ cifs_sb = CIFS_SB(sb);
qstring.name = scratch_buf;
rc = cifs_get_name_from_search_buf(&qstring, pfindEntry,
pCifsF->srch_inf.info_level,
pCifsF->srch_inf.unicode, cifs_sb,
- max_len,
- &inum /* returned */);
+ max_len, &inum /* returned */);
if (rc)
return rc;
- /* only these two infolevels return valid inode numbers */
- if (pCifsF->srch_inf.info_level == SMB_FIND_FILE_UNIX ||
- pCifsF->srch_inf.info_level == SMB_FIND_FILE_ID_FULL_DIR_INFO)
- rc = construct_dentry(&qstring, file, &tmp_inode, &tmp_dentry,
- &inum);
- else
- rc = construct_dentry(&qstring, file, &tmp_inode, &tmp_dentry,
- NULL);
-
- if ((tmp_inode == NULL) || (tmp_dentry == NULL))
- return -ENOMEM;
-
- /* we pass in rc below, indicating whether it is a new inode,
- so we can figure out whether to invalidate the inode cached
- data if the file has changed */
if (pCifsF->srch_inf.info_level == SMB_FIND_FILE_UNIX)
- unix_fill_in_inode(tmp_inode,
- (FILE_UNIX_INFO *)pfindEntry,
- &obj_type, rc);
+ cifs_unix_basic_to_fattr(&fattr,
+ &((FILE_UNIX_INFO *) pfindEntry)->basic,
+ cifs_sb);
else if (pCifsF->srch_inf.info_level == SMB_FIND_FILE_INFO_STANDARD)
- fill_in_inode(tmp_inode, 0 /* old level 1 buffer type */,
- pfindEntry, &obj_type, rc);
+ cifs_std_info_to_fattr(&fattr, (FIND_FILE_STANDARD_INFO *)
+ pfindEntry, cifs_sb);
else
- fill_in_inode(tmp_inode, 1 /* NT */, pfindEntry, &obj_type, rc);
+ cifs_dir_info_to_fattr(&fattr, (FILE_DIRECTORY_INFO *)
+ pfindEntry, cifs_sb);
- if (rc) /* new inode - needs to be tied to dentry */ {
- d_instantiate(tmp_dentry, tmp_inode);
- if (rc == 2)
- d_rehash(tmp_dentry);
+ if (inum && (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM)) {
+ fattr.cf_uniqueid = inum;
+ } else {
+ fattr.cf_uniqueid = iunique(sb, ROOT_I);
+ cifs_autodisable_serverino(cifs_sb);
}
+ ino = cifs_uniqueid_to_ino_t(fattr.cf_uniqueid);
+ tmp_dentry = cifs_readdir_lookup(file->f_dentry, &qstring, &fattr);
rc = filldir(direntry, qstring.name, qstring.len, file->f_pos,
- tmp_inode->i_ino, obj_type);
+ ino, fattr.cf_dtype);
+
+ /*
+ * we can not return filldir errors to the caller since they are
+ * "normal" when the stat blocksize is too small - we return remapped
+ * error instead
+ *
+ * FIXME: This looks bogus. filldir returns -EOVERFLOW in the above
+ * case already. Why should we be clobbering other errors from it?
+ */
if (rc) {
- cFYI(1, ("filldir rc = %d", rc));
- /* we can not return filldir errors to the caller
- since they are "normal" when the stat blocksize
- is too small - we return remapped error instead */
+ cFYI(1, "filldir rc = %d", rc);
rc = -EOVERFLOW;
}
-
dput(tmp_dentry);
return rc;
}
case 0:
if (filldir(direntry, ".", 1, file->f_pos,
file->f_path.dentry->d_inode->i_ino, DT_DIR) < 0) {
- cERROR(1, ("Filldir for current dir failed"));
+ cERROR(1, "Filldir for current dir failed");
rc = -ENOMEM;
break;
}
case 1:
if (filldir(direntry, "..", 2, file->f_pos,
file->f_path.dentry->d_parent->d_inode->i_ino, DT_DIR) < 0) {
- cERROR(1, ("Filldir for parent dir failed"));
+ cERROR(1, "Filldir for parent dir failed");
rc = -ENOMEM;
break;
}
if (file->private_data == NULL) {
rc = initiate_cifs_search(xid, file);
- cFYI(1, ("initiate cifs search rc %d", rc));
+ cFYI(1, "initiate cifs search rc %d", rc);
if (rc) {
FreeXid(xid);
return rc;
cifsFile = file->private_data;
if (cifsFile->srch_inf.endOfSearch) {
if (cifsFile->srch_inf.emptyDir) {
- cFYI(1, ("End of search, empty dir"));
+ cFYI(1, "End of search, empty dir");
rc = 0;
break;
}
rc = find_cifs_entry(xid, pTcon, file,
¤t_entry, &num_to_fill);
if (rc) {
- cFYI(1, ("fce error %d", rc));
+ cFYI(1, "fce error %d", rc);
goto rddir2_exit;
} else if (current_entry != NULL) {
- cFYI(1, ("entry %lld found", file->f_pos));
+ cFYI(1, "entry %lld found", file->f_pos);
} else {
- cFYI(1, ("could not find entry"));
+ cFYI(1, "could not find entry");
goto rddir2_exit;
}
- cFYI(1, ("loop through %d times filling dir for net buf %p",
- num_to_fill, cifsFile->srch_inf.ntwrk_buf_start));
+ cFYI(1, "loop through %d times filling dir for net buf %p",
+ num_to_fill, cifsFile->srch_inf.ntwrk_buf_start);
max_len = smbCalcSize((struct smb_hdr *)
cifsFile->srch_inf.ntwrk_buf_start);
end_of_smb = cifsFile->srch_inf.ntwrk_buf_start + max_len;
for (i = 0; (i < num_to_fill) && (rc == 0); i++) {
if (current_entry == NULL) {
/* evaluate whether this case is an error */
- cERROR(1, ("past SMB end, num to fill %d i %d",
- num_to_fill, i));
+ cERROR(1, "past SMB end, num to fill %d i %d",
+ num_to_fill, i);
break;
}
/* if buggy server returns . and .. late do
file->f_pos++;
if (file->f_pos ==
cifsFile->srch_inf.index_of_last_entry) {
- cFYI(1, ("last entry in buf at pos %lld %s",
- file->f_pos, tmp_buf));
+ cFYI(1, "last entry in buf at pos %lld %s",
+ file->f_pos, tmp_buf);
cifs_save_resume_key(current_entry, cifsFile);
break;
} else
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff