Use posix_fallocate to reserve space for files. Function will print a warning at runtime if posix_fallocate isn't supported.
Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=52171 Signed-off-by: Patrick Hibbs hibbsncc1701@gmail.com --- dlls/ntdll/unix/file.c | 73 ++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 70 insertions(+), 3 deletions(-)
diff --git a/dlls/ntdll/unix/file.c b/dlls/ntdll/unix/file.c index 51c92df57e3..07204a8553d 100644 --- a/dlls/ntdll/unix/file.c +++ b/dlls/ntdll/unix/file.c @@ -3743,6 +3743,10 @@ NTSTATUS WINAPI NtCreateFile( HANDLE *handle, ACCESS_MASK access, OBJECT_ATTRIBU char *unix_name; BOOL created = FALSE; NTSTATUS status; + ULONG new_attributes, new_disposition; + struct stat st; + LARGE_INTEGER remaining_bytes; + int perr, unix_handle;
TRACE( "handle=%p access=%08x name=%s objattr=%08x root=%p sec=%p io=%p alloc_size=%p " "attr=%08x sharing=%08x disp=%d options=%08x ea=%p.0x%08x\n", @@ -3753,8 +3757,6 @@ NTSTATUS WINAPI NtCreateFile( HANDLE *handle, ACCESS_MASK access, OBJECT_ATTRIBU *handle = 0; if (!attr || !attr->ObjectName) return STATUS_INVALID_PARAMETER;
- if (alloc_size) FIXME( "alloc_size not supported\n" ); - new_attr = *attr; if (options & FILE_OPEN_BY_FILE_ID) { @@ -3781,10 +3783,75 @@ NTSTATUS WINAPI NtCreateFile( HANDLE *handle, ACCESS_MASK access, OBJECT_ATTRIBU status = STATUS_SUCCESS; }
+#ifdef HAVE_POSIX_FALLOCATE + /* Windows doesn't care about the requested access permissions + * when performing space reservation. (Windows will trim / grow + * the reserved space even if a caller requests read-only + * access.) + * + * Windows *does* care about the disposition given and whether + * or not an overwrite will actually occur. (Windows will return + * STATUS_OBJECT_NAME_NOT_FOUND if disposition is FILE_OVERWRITE + * and the file doesn't exist.) + * + * POSIX cares about the requested permissions all of the time. + * We need to make sure that we ask for enough permissions to + * perform the disk space reservation. Afterwards reopen the file + * with the desired permissions. As this temporary fd isn't going + * to be kept anyway, avoid the round trips to the server by doing + * the work here. */ + if (alloc_size && alloc_size->QuadPart > 0 && + disposition != FILE_OPEN && + (created || (disposition != FILE_OVERWRITE || + status != STATUS_OBJECT_NAME_NOT_FOUND))) + { + remaining_bytes.QuadPart = 0; + new_disposition = FILE_OPEN; + + if (created) + remaining_bytes.QuadPart = alloc_size->QuadPart; + else + { + if (get_file_info( unix_name, &st, &new_attributes ) == -1) + status = errno_to_status( errno ); + else + { + if ((S_ISREG(st.st_mode)) && ((st.st_blocks * 512) < alloc_size->QuadPart)) + remaining_bytes.QuadPart = (alloc_size->QuadPart - (st.st_blocks * 512)); + } + } + + if (remaining_bytes.QuadPart > 0) + { + if (created || disposition == FILE_SUPERSEDE || disposition == FILE_OVERWRITE) + unix_handle = open( unix_name, O_RDWR | O_CREAT | O_TRUNC | O_DIRECT | O_SYNC, S_IRWXU ); + else + unix_handle = open( unix_name, O_RDWR | O_DIRECT | O_SYNC, S_IRWXU ); + + if (unix_handle == -1) + status = errno_to_status( errno ); + else + { + perr = posix_fallocate( unix_handle, 0, remaining_bytes.QuadPart ); + if (perr) + status = errno_to_status( perr ); + + close( unix_handle ); + } + } + } + else + { + new_disposition = disposition; + } +#else + WARN_ONCE("Preallocating files is not supported!\n"); +#endif + if (status == STATUS_SUCCESS) { status = open_unix_file( handle, unix_name, access, &new_attr, attributes, - sharing, disposition, options, ea_buffer, ea_length ); + sharing, new_disposition, options, ea_buffer, ea_length ); free( unix_name ); } else WARN( "%s not found (%x)\n", debugstr_us(attr->ObjectName), status );
Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=52171 Signed-off-by: Patrick Hibbs hibbsncc1701@gmail.com --- dlls/ntdll/tests/file.c | 81 ++++++++++++++++++++++++++++------------- 1 file changed, 56 insertions(+), 25 deletions(-)
diff --git a/dlls/ntdll/tests/file.c b/dlls/ntdll/tests/file.c index 19ae5f2ac21..69b75a52fb7 100644 --- a/dlls/ntdll/tests/file.c +++ b/dlls/ntdll/tests/file.c @@ -4170,28 +4170,42 @@ static void test_NtCreateFile(void) { static const struct test_data { - DWORD disposition, attrib_in, status, result, attrib_out, needs_cleanup; + DWORD disposition, attrib_in, status, result, attrib_out, alloc_in, alloc_out, enable_write, needs_cleanup; } td[] = { - /* 0*/{ FILE_CREATE, FILE_ATTRIBUTE_READONLY, 0, FILE_CREATED, FILE_ATTRIBUTE_ARCHIVE|FILE_ATTRIBUTE_READONLY, FALSE }, - /* 1*/{ FILE_CREATE, 0, STATUS_OBJECT_NAME_COLLISION, 0, 0, TRUE }, - /* 2*/{ FILE_CREATE, 0, 0, FILE_CREATED, FILE_ATTRIBUTE_ARCHIVE, FALSE }, - /* 3*/{ FILE_OPEN, FILE_ATTRIBUTE_READONLY, 0, FILE_OPENED, FILE_ATTRIBUTE_ARCHIVE, TRUE }, - /* 4*/{ FILE_OPEN, FILE_ATTRIBUTE_READONLY, STATUS_OBJECT_NAME_NOT_FOUND, 0, 0, FALSE }, - /* 5*/{ FILE_OPEN_IF, 0, 0, FILE_CREATED, FILE_ATTRIBUTE_ARCHIVE, FALSE }, - /* 6*/{ FILE_OPEN_IF, FILE_ATTRIBUTE_READONLY, 0, FILE_OPENED, FILE_ATTRIBUTE_ARCHIVE, TRUE }, - /* 7*/{ FILE_OPEN_IF, FILE_ATTRIBUTE_READONLY, 0, FILE_CREATED, FILE_ATTRIBUTE_ARCHIVE|FILE_ATTRIBUTE_READONLY, FALSE }, - /* 8*/{ FILE_OPEN_IF, 0, 0, FILE_OPENED, FILE_ATTRIBUTE_ARCHIVE|FILE_ATTRIBUTE_READONLY, FALSE }, - /* 9*/{ FILE_OVERWRITE, 0, STATUS_ACCESS_DENIED, 0, 0, TRUE }, - /*10*/{ FILE_OVERWRITE, 0, STATUS_OBJECT_NAME_NOT_FOUND, 0, 0, FALSE }, - /*11*/{ FILE_CREATE, 0, 0, FILE_CREATED, FILE_ATTRIBUTE_ARCHIVE, FALSE }, - /*12*/{ FILE_OVERWRITE, FILE_ATTRIBUTE_READONLY, 0, FILE_OVERWRITTEN, FILE_ATTRIBUTE_ARCHIVE|FILE_ATTRIBUTE_READONLY, FALSE }, - /*13*/{ FILE_OVERWRITE_IF, 0, STATUS_ACCESS_DENIED, 0, 0, TRUE }, - /*14*/{ FILE_OVERWRITE_IF, 0, 0, FILE_CREATED, FILE_ATTRIBUTE_ARCHIVE, FALSE }, - /*15*/{ FILE_OVERWRITE_IF, FILE_ATTRIBUTE_READONLY, 0, FILE_OVERWRITTEN, FILE_ATTRIBUTE_ARCHIVE|FILE_ATTRIBUTE_READONLY, FALSE }, - /*16*/{ FILE_SUPERSEDE, 0, 0, FILE_SUPERSEDED, FILE_ATTRIBUTE_ARCHIVE, FALSE }, - /*17*/{ FILE_SUPERSEDE, FILE_ATTRIBUTE_READONLY, 0, FILE_SUPERSEDED, FILE_ATTRIBUTE_ARCHIVE|FILE_ATTRIBUTE_READONLY, TRUE }, - /*18*/{ FILE_SUPERSEDE, 0, 0, FILE_CREATED, FILE_ATTRIBUTE_ARCHIVE, TRUE } + /* 0*/{ FILE_CREATE, FILE_ATTRIBUTE_READONLY, 0, FILE_CREATED, FILE_ATTRIBUTE_ARCHIVE|FILE_ATTRIBUTE_READONLY, 0, 0, FALSE, FALSE }, + /* 1*/{ FILE_CREATE, 0, STATUS_OBJECT_NAME_COLLISION, 0, 0, 0, 0, FALSE, TRUE }, + /* 2*/{ FILE_CREATE, 0, 0, FILE_CREATED, FILE_ATTRIBUTE_ARCHIVE, 0, 0, FALSE, FALSE }, + /* 3*/{ FILE_OPEN, FILE_ATTRIBUTE_READONLY, 0, FILE_OPENED, FILE_ATTRIBUTE_ARCHIVE, 0, 0, FALSE, TRUE }, + /* 4*/{ FILE_OPEN, FILE_ATTRIBUTE_READONLY, STATUS_OBJECT_NAME_NOT_FOUND, 0, 0, 0, 0, FALSE, FALSE }, + /* 5*/{ FILE_OPEN_IF, 0, 0, FILE_CREATED, FILE_ATTRIBUTE_ARCHIVE, 0, 0, FALSE, FALSE }, + /* 6*/{ FILE_OPEN_IF, FILE_ATTRIBUTE_READONLY, 0, FILE_OPENED, FILE_ATTRIBUTE_ARCHIVE, 0, 0, FALSE, TRUE }, + /* 7*/{ FILE_OPEN_IF, FILE_ATTRIBUTE_READONLY, 0, FILE_CREATED, FILE_ATTRIBUTE_ARCHIVE|FILE_ATTRIBUTE_READONLY, 0, 0, FALSE, FALSE }, + /* 8*/{ FILE_OPEN_IF, 0, 0, FILE_OPENED, FILE_ATTRIBUTE_ARCHIVE|FILE_ATTRIBUTE_READONLY, 0, 0, FALSE, FALSE }, + /* 9*/{ FILE_OVERWRITE, 0, STATUS_ACCESS_DENIED, 0, 0, 0, 0, FALSE, TRUE }, + /*10*/{ FILE_OVERWRITE, 0, STATUS_OBJECT_NAME_NOT_FOUND, 0, 0, 0, 0, FALSE, FALSE }, + /*11*/{ FILE_CREATE, 0, 0, FILE_CREATED, FILE_ATTRIBUTE_ARCHIVE, 0, 0, FALSE, FALSE }, + /*12*/{ FILE_OVERWRITE, FILE_ATTRIBUTE_READONLY, 0, FILE_OVERWRITTEN, FILE_ATTRIBUTE_ARCHIVE|FILE_ATTRIBUTE_READONLY, 0, 0, FALSE, FALSE }, + /*13*/{ FILE_OVERWRITE_IF, 0, STATUS_ACCESS_DENIED, 0, 0, 0, 0, FALSE, TRUE }, + /*14*/{ FILE_OVERWRITE_IF, 0, 0, FILE_CREATED, FILE_ATTRIBUTE_ARCHIVE, 0, 0, FALSE, FALSE }, + /*15*/{ FILE_OVERWRITE_IF, FILE_ATTRIBUTE_READONLY, 0, FILE_OVERWRITTEN, FILE_ATTRIBUTE_ARCHIVE|FILE_ATTRIBUTE_READONLY, 0, 0, FALSE, FALSE }, + /*16*/{ FILE_SUPERSEDE, 0, 0, FILE_SUPERSEDED, FILE_ATTRIBUTE_ARCHIVE, 0, 0, FALSE, FALSE }, + /*17*/{ FILE_SUPERSEDE, FILE_ATTRIBUTE_READONLY, 0, FILE_SUPERSEDED, FILE_ATTRIBUTE_ARCHIVE|FILE_ATTRIBUTE_READONLY, 0, 0, FALSE, TRUE }, + /*18*/{ FILE_SUPERSEDE, 0, 0, FILE_CREATED, FILE_ATTRIBUTE_ARCHIVE, 0, 0, FALSE, TRUE }, + /*19*/{ FILE_CREATE, 0, 0, FILE_CREATED, FILE_ATTRIBUTE_ARCHIVE, 2000, 2000, FALSE, TRUE }, + /*20*/{ FILE_CREATE, 0, 0, FILE_CREATED, FILE_ATTRIBUTE_ARCHIVE, 2000, 2000, TRUE, FALSE }, + /*21*/{ FILE_OVERWRITE, 0, 0, FILE_OVERWRITTEN, FILE_ATTRIBUTE_ARCHIVE, 2000, 2000, FALSE, FALSE }, + /*22*/{ FILE_OPEN, 0, 0, FILE_OPENED, FILE_ATTRIBUTE_ARCHIVE, 2000, 0, TRUE, TRUE }, + /*23*/{ FILE_OVERWRITE, 0, STATUS_OBJECT_NAME_NOT_FOUND, 0, 0, 2000, 0, FALSE, TRUE }, + /*24*/{ FILE_OVERWRITE, 0, STATUS_OBJECT_NAME_NOT_FOUND, 0, 0, 2000, 0, TRUE, TRUE }, + /*25*/{ FILE_OVERWRITE_IF, 0, 0, FILE_CREATED, FILE_ATTRIBUTE_ARCHIVE, 2000, 2000, TRUE, FALSE }, + /*26*/{ FILE_OVERWRITE_IF, 0, 0, FILE_OVERWRITTEN, FILE_ATTRIBUTE_ARCHIVE, 2000, 2000, TRUE, TRUE }, + /*27*/{ FILE_SUPERSEDE, 0, 0, FILE_CREATED, FILE_ATTRIBUTE_ARCHIVE, 2000, 2000, FALSE, FALSE }, + /*28*/{ FILE_SUPERSEDE, 0, 0, FILE_SUPERSEDED, FILE_ATTRIBUTE_ARCHIVE, 2000, 2000, TRUE, FALSE }, + /*29*/{ FILE_SUPERSEDE, 0, 0, FILE_SUPERSEDED, FILE_ATTRIBUTE_ARCHIVE, 2000, 2000, FALSE, FALSE }, + /*30*/{ FILE_OPEN, 0, 0, FILE_OPENED, FILE_ATTRIBUTE_ARCHIVE, 0, 2000, FALSE, FALSE }, + /*31*/{ FILE_OPEN, 0, 0, FILE_OPENED, FILE_ATTRIBUTE_ARCHIVE, 2000, 0, FALSE, TRUE },/* Win7 dealloc without write permission! */ + /*32*/{ FILE_OPEN, 0, STATUS_OBJECT_NAME_NOT_FOUND, 0, 0, 2000, 0, FALSE, FALSE } }; static const WCHAR fooW[] = {'f','o','o',0}; NTSTATUS status; @@ -4201,6 +4215,8 @@ static void test_NtCreateFile(void) IO_STATUS_BLOCK io; UNICODE_STRING nameW; DWORD ret, i; + LARGE_INTEGER li; + FILE_NETWORK_OPEN_INFORMATION info;
GetTempPathW(MAX_PATH, path); GetTempFileNameW(path, fooW, 0, path); @@ -4214,17 +4230,22 @@ static void test_NtCreateFile(void) attr.SecurityDescriptor = NULL; attr.SecurityQualityOfService = NULL;
+ info.AllocationSize.QuadPart = 0; + for (i = 0; i < ARRAY_SIZE(td); i++) { - status = pNtCreateFile(&handle, GENERIC_READ, &attr, &io, NULL, + li.QuadPart = td[i].alloc_in; + + status = pNtCreateFile(&handle, ((td[i].enable_write) ? (GENERIC_READ | GENERIC_WRITE) : (GENERIC_READ)), + &attr, &io, ((li.QuadPart > 0) ? (&li) : (NULL)), td[i].attrib_in, FILE_SHARE_READ|FILE_SHARE_WRITE, td[i].disposition, 0, NULL, 0);
- ok(status == td[i].status, "%d: expected %#x got %#x\n", i, td[i].status, status); + ok(status == td[i].status, "%d: status expected %#x got %#x\n", i, td[i].status, status);
if (!status) { - ok(io.Information == td[i].result,"%d: expected %#x got %#lx\n", i, td[i].result, io.Information); + ok(io.Information == td[i].result,"%d: result expected %#x got %#lx\n", i, td[i].result, io.Information);
ret = GetFileAttributesW(path); ret &= ~FILE_ATTRIBUTE_NOT_CONTENT_INDEXED; @@ -4232,11 +4253,21 @@ static void test_NtCreateFile(void) if (ret != td[i].attrib_out) { todo_wine - ok(ret == td[i].attrib_out, "%d: expected %#x got %#x\n", i, td[i].attrib_out, ret); + ok(ret == td[i].attrib_out, "%d: attribute expected %#x got %#x\n", i, td[i].attrib_out, ret); SetFileAttributesW(path, td[i].attrib_out); } else - ok(ret == td[i].attrib_out, "%d: expected %#x got %#x\n", i, td[i].attrib_out, ret); + ok(ret == td[i].attrib_out, "%d: attribute expected %#x got %#x\n", i, td[i].attrib_out, ret); + + if (td[i].alloc_in) + { + status = pNtQueryFullAttributesFile( &attr, &info ); + ok(status == STATUS_SUCCESS, + "%d: query failed %x\n", i, status); + ok(info.AllocationSize.QuadPart >= td[i].alloc_out, + "%d: alloc_size failed expected %#x got %#I64x\n", i, td[i].alloc_out, + info.AllocationSize.QuadPart); + }
CloseHandle(handle); }
-
Patrick Hibbs