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Diffstat (limited to 'fs/cifs/readdir.c')
-rw-r--r--fs/cifs/readdir.c37
1 files changed, 36 insertions, 1 deletions
diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c
index 5bc9ab7586bc..df003fe3710f 100644
--- a/fs/cifs/readdir.c
+++ b/fs/cifs/readdir.c
@@ -445,6 +445,38 @@ static void unix_fill_in_inode(struct inode *tmp_inode,
}
}
+/* 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)"));
+ }
+ }
+}
+ */
+
static int initiate_cifs_search(const int xid, struct file *file)
{
int rc = 0;
@@ -500,7 +532,10 @@ ffirst_retry:
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;