On 3/8/12 3:39 PM, Mark Tinguely wrote:
> On 02/02/12 11:35, Eric Sandeen wrote:
...
>> @@ -282,10 +274,10 @@ open_f(
>> return 0;
>> }
>>
>> - while ((c = getopt(argc, argv, "FRacdfm:nrstx")) != EOF) {
>> + while ((c = getopt(argc, argv, "Racdfm:nrstx")) != EOF) {
>> switch (c) {
>> case 'F':
>> - flags |= IO_FOREIGN;
>> + /* Ignored / deprecated now, handled automatically */
>> break;
>
>
> The "-F" is still in the command line open's help in open.
>
> cxfs_io> help open
> open [-acdrstx] [path] -- open the file specified by path
>
> opens a new file in the requested mode
>
> Example:
> 'open -cd /tmp/data' - creates/opens data file read-write for direct IO
>
> Opens a file for subsequent use by all of the other xfs_io commands.
> With no arguments, open uses the stat command to show the current file.
> -F -- foreign filesystem file, disallow XFS-specific commands
> -a -- open with the O_APPEND flag (append-only mode)
> -d -- open with O_DIRECT (non-buffered IO, note alignment constraints)
> -f -- open with O_CREAT (create the file if it doesn't exist)
> -m -- permissions to use in case a new file is created (default 0600)
> -n -- open with O_NONBLOCK
> -r -- open with O_RDONLY, the default is O_RDWR
> -s -- open with O_SYNC
> -t -- open with O_TRUNC (truncate the file to zero length if it exists)
> -R -- mark the file as a realtime XFS file immediately after opening it
> Note1: usually read/write direct IO requests must be blocksize aligned;
> some kernels, however, allow sectorsize alignment for direct IO.
> Note2: the bmap for non-regular files can be obtained provided the file
> was opened correctly (in particular, must be opened read-only).
>
>
> The "F" was taken out of the command line's getopt(), so it can't be
> specified. I guess either put the "F" back in the the open.c getopt()
> or take it complete from the command line.
Ah crud, sorry. Patch shortly.
-Eric
> xfs_io> open -F somefile
> open: invalid option -- 'F'
> open [-acdrstx] [path] -- open the file specified by path
>
> Thanks,
>
> --Mark Tinguely
> tinguely@xxxxxxx
>
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