From c51ce2447a7cce971500131011711fb499f5bbde Mon Sep 17 00:00:00 2001 From: Corinna Vinschen Date: Thu, 28 Aug 2014 12:29:42 +0000 Subject: [PATCH] * fhandler_disk_file.cc (fhandler_disk_file::fstatvfs): Try the FileFsSizeInformation information class on filesystems choking on FileFsFullSizeInformation (I see you Netapp!) --- winsup/cygwin/ChangeLog | 6 ++++++ winsup/cygwin/fhandler_disk_file.cc | 20 ++++++++++++++++++++ 2 files changed, 26 insertions(+) diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog index 913738861..2ff511b98 100644 --- a/winsup/cygwin/ChangeLog +++ b/winsup/cygwin/ChangeLog @@ -1,3 +1,9 @@ +2014-08-28 Corinna Vinschen + + * fhandler_disk_file.cc (fhandler_disk_file::fstatvfs): Try the + FileFsSizeInformation information class on filesystems choking on + FileFsFullSizeInformation (I see you Netapp!) + 2014-08-27 Corinna Vinschen * fhandler.h (fhandler_pty_slave::fch_open_handles): Add bool parameter diff --git a/winsup/cygwin/fhandler_disk_file.cc b/winsup/cygwin/fhandler_disk_file.cc index d71300268..a2ed1cfd1 100644 --- a/winsup/cygwin/fhandler_disk_file.cc +++ b/winsup/cygwin/fhandler_disk_file.cc @@ -800,6 +800,26 @@ fhandler_disk_file::fstatvfs (struct statvfs *sfs) } ret = 0; } + else if (status == STATUS_INVALID_PARAMETER /* Netapp */ + || status == STATUS_INVALID_INFO_CLASS) + { + FILE_FS_SIZE_INFORMATION fsi; + status = NtQueryVolumeInformationFile (fh, &io, &fsi, sizeof fsi, + FileFsSizeInformation); + if (NT_SUCCESS (status)) + { + sfs->f_bsize = fsi.BytesPerSector * fsi.SectorsPerAllocationUnit; + sfs->f_frsize = sfs->f_bsize; + sfs->f_blocks = (fsblkcnt_t) fsi.TotalAllocationUnits.QuadPart; + sfs->f_bfree = sfs->f_bavail = + (fsblkcnt_t) fsi.AvailableAllocationUnits.QuadPart; + ret = 0; + } + else + debug_printf ("%y = NtQueryVolumeInformationFile" + "(%S, FileFsSizeInformation)", + status, pc.get_nt_native_path ()); + } else debug_printf ("%y = NtQueryVolumeInformationFile" "(%S, FileFsFullSizeInformation)",