diff options
| author | Corinna Vinschen <corinna@vinschen.de> | 2023-12-01 00:13:49 +0300 |
|---|---|---|
| committer | Corinna Vinschen <corinna@vinschen.de> | 2023-12-01 00:37:35 +0300 |
| commit | 8b01c5d6903fbcbb14c52db45c12494b53493c5a (patch) | |
| tree | 6b3a4cd5a541e77231f5b241f408f410c103a3c7 /winsup | |
| parent | 61f49ada90b2541925d56183e91e7d57aad1547a (diff) | |
Cygwin: fs_info: check for SSD
During fs_info::update, check for the file being on an SSD.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
Diffstat (limited to 'winsup')
| -rw-r--r-- | winsup/cygwin/local_includes/mount.h | 4 | ||||
| -rw-r--r-- | winsup/cygwin/mount.cc | 14 |
2 files changed, 18 insertions, 0 deletions
diff --git a/winsup/cygwin/local_includes/mount.h b/winsup/cygwin/local_includes/mount.h index 5bb84b976..57c89e010 100644 --- a/winsup/cygwin/local_includes/mount.h +++ b/winsup/cygwin/local_includes/mount.h @@ -69,6 +69,7 @@ class fs_info ULONG name_len; /* MaximumComponentNameLength */ fs_info_type fs_type; /* Filesystem type */ unsigned is_remote_drive : 1; + unsigned is_ssd : 1; unsigned has_acls : 1; unsigned hasgood_inode : 1; unsigned caseinsensitive : 1; @@ -80,6 +81,8 @@ class fs_info ULONG sernum; /* Volume Serial Number */ char fsn[80]; /* Windows filesystem name */ + void check_ssd (HANDLE); + public: void clear () { @@ -93,6 +96,7 @@ class fs_info IMPLEMENT_STATUS_FLAG (ULONG, samba_version) IMPLEMENT_STATUS_FLAG (ULONG, name_len) IMPLEMENT_STATUS_FLAG (bool, is_remote_drive) + IMPLEMENT_STATUS_FLAG (bool, is_ssd) IMPLEMENT_STATUS_FLAG (bool, has_acls) IMPLEMENT_STATUS_FLAG (bool, hasgood_inode) IMPLEMENT_STATUS_FLAG (bool, caseinsensitive) diff --git a/winsup/cygwin/mount.cc b/winsup/cygwin/mount.cc index 13ace6250..9545d22e0 100644 --- a/winsup/cygwin/mount.cc +++ b/winsup/cygwin/mount.cc @@ -523,8 +523,22 @@ fs_info::update (PUNICODE_STRING upath, HANDLE in_vol) caseinsensitive ((!(flags () & FILE_CASE_SENSITIVE_SEARCH) || is_samba ()) && !is_nfs ()); + /* Check for being an SSD */ + if (!is_remote_drive () && !is_cdrom ()) + { + /* Theoretically FileFsVolumeFlagsInformation would be sufficient, + but apparently it's not exposed into userspace. */ + FILE_FS_SECTOR_SIZE_INFORMATION ffssi; + + status = NtQueryVolumeInformationFile (vol, &io, &ffssi, sizeof ffssi, + FileFsSectorSizeInformation); + if (NT_SUCCESS (status)) + is_ssd (!!(ffssi.Flags & SSINFO_FLAGS_NO_SEEK_PENALTY)); + } + if (!in_vol) NtClose (vol); + fsi_cache.add (hash, this); return true; } |