diff options
Diffstat (limited to 'fs/smb/client/file.c')
| -rw-r--r-- | fs/smb/client/file.c | 34 |
1 files changed, 25 insertions, 9 deletions
diff --git a/fs/smb/client/file.c b/fs/smb/client/file.c index 1421bde045c2..cb907e18cc35 100644 --- a/fs/smb/client/file.c +++ b/fs/smb/client/file.c @@ -998,7 +998,10 @@ int cifs_open(struct inode *inode, struct file *file) /* Get the cached handle as SMB2 close is deferred */ if (OPEN_FMODE(file->f_flags) & FMODE_WRITE) { - rc = cifs_get_writable_path(tcon, full_path, FIND_WR_FSUID_ONLY, &cfile); + rc = cifs_get_writable_path(tcon, full_path, + FIND_WR_FSUID_ONLY | + FIND_WR_NO_PENDING_DELETE, + &cfile); } else { rc = cifs_get_readable_path(tcon, full_path, &cfile); } @@ -2530,6 +2533,9 @@ refind_writable: continue; if (with_delete && !(open_file->fid.access & DELETE)) continue; + if ((flags & FIND_WR_NO_PENDING_DELETE) && + open_file->status_file_deleted) + continue; if (OPEN_FMODE(open_file->f_flags) & FMODE_WRITE) { if (!open_file->invalidHandle) { /* found a good writable file */ @@ -2647,6 +2653,16 @@ cifs_get_readable_path(struct cifs_tcon *tcon, const char *name, spin_unlock(&tcon->open_file_lock); free_dentry_path(page); *ret_file = find_readable_file(cinode, 0); + if (*ret_file) { + spin_lock(&cinode->open_file_lock); + if ((*ret_file)->status_file_deleted) { + spin_unlock(&cinode->open_file_lock); + cifsFileInfo_put(*ret_file); + *ret_file = NULL; + } else { + spin_unlock(&cinode->open_file_lock); + } + } return *ret_file ? 0 : -ENOENT; } @@ -2999,38 +3015,38 @@ static const struct vm_operations_struct cifs_file_vm_ops = { .page_mkwrite = cifs_page_mkwrite, }; -int cifs_file_strict_mmap(struct file *file, struct vm_area_struct *vma) +int cifs_file_strict_mmap_prepare(struct vm_area_desc *desc) { int xid, rc = 0; - struct inode *inode = file_inode(file); + struct inode *inode = file_inode(desc->file); xid = get_xid(); if (!CIFS_CACHE_READ(CIFS_I(inode))) rc = cifs_zap_mapping(inode); if (!rc) - rc = generic_file_mmap(file, vma); + rc = generic_file_mmap_prepare(desc); if (!rc) - vma->vm_ops = &cifs_file_vm_ops; + desc->vm_ops = &cifs_file_vm_ops; free_xid(xid); return rc; } -int cifs_file_mmap(struct file *file, struct vm_area_struct *vma) +int cifs_file_mmap_prepare(struct vm_area_desc *desc) { int rc, xid; xid = get_xid(); - rc = cifs_revalidate_file(file); + rc = cifs_revalidate_file(desc->file); if (rc) cifs_dbg(FYI, "Validation prior to mmap failed, error=%d\n", rc); if (!rc) - rc = generic_file_mmap(file, vma); + rc = generic_file_mmap_prepare(desc); if (!rc) - vma->vm_ops = &cifs_file_vm_ops; + desc->vm_ops = &cifs_file_vm_ops; free_xid(xid); return rc; |
