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* globals.cc (ro_u_nwfs): New R/O unicode string.

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* mount.cc (fs_info::update): Check for NWFS filesystem.  Set
	has_buggy_basic_info, if so.  Add comment to explain why.
	(fillout_mntent): Add "nwfs" string to fs_names array.
	* mount.h (enum fs_info_type): Add nwfs.
	(class fs_info): Add has_buggy_basic_info status flag.  Add accessors
	for has_buggy_basic_info and is_nwfs.
	* fhandler_disk_file.cc (fhandler_base::fstat_by_handle): Accommodate
	filesystems with broken FileBasicInformation handling.
	* path.cc (symlink_info::check): Ditto.
	* path.h (path_conv::has_buggy_basic_info): Add method.
This commit is contained in:
Corinna Vinschen
2010-01-12 14:47:46 +00:00
parent 4ee93264fd
commit c04ed45d82
7 changed files with 71 additions and 28 deletions
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14
winsup/cygwin/mount.cc
View File

@@ -1,7 +1,7 @@
/* mount.cc: mount handling.
Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
2006, 2007, 2008, 2009 Red Hat, Inc.
2006, 2007, 2008, 2009, 2010 Red Hat, Inc.
This file is part of Cygwin.
@@ -289,6 +289,7 @@ fs_info::update (PUNICODE_STRING upath, HANDLE in_vol)
&& !is_ntfs (RtlEqualUnicodeString (&fsname, &ro_u_ntfs, FALSE))
&& !is_fat (RtlEqualUnicodePathPrefix (&fsname, &ro_u_fat, TRUE))
&& !is_csc_cache (RtlEqualUnicodeString (&fsname, &ro_u_csc, FALSE))
&& !is_nwfs (RtlEqualUnicodeString (&fsname, &ro_u_nwfs, FALSE))
&& is_cdrom (ffdi.DeviceType == FILE_DEVICE_CD_ROM))
is_udf (RtlEqualUnicodeString (&fsname, &ro_u_udf, FALSE));
if (!got_fs ())
@@ -300,8 +301,14 @@ fs_info::update (PUNICODE_STRING upath, HANDLE in_vol)
strlwr (fsn);
}
has_acls (flags () & FS_PERSISTENT_ACLS);
/* Netapp inodes numbers are fly-by-night. */
/* Netapp inode numbers are fly-by-night. */
hasgood_inode ((has_acls () && !is_netapp ()) || is_nfs ());
/* NWFS is known to have a broken FileBasicInformation info class. It
can't be used to fetch information, only to set information. Therefore,
for NWFS we have to fallback to the FileNetworkOpenInformation info
class. Unfortunately we can't use FileNetworkOpenInformation all the
time since that fails on other filesystems like NFS. */
has_buggy_basic_info (is_nwfs ());
/* Case sensitivity is supported if FILE_CASE_SENSITIVE_SEARCH is set,
except on Samba which handles Windows clients case insensitive.
@@ -1443,7 +1450,8 @@ fillout_mntent (const char *native_path, const char *posix_path, unsigned flags)
"sunwnfs",
"unixfs",
"mvfs",
"cifs"
"cifs",
"nwfs"
};
if (mntinfo.what_fs () > 0 && mntinfo.what_fs () < max_fs_type)