On 15/03/2024 13:47, Alejandro Colomar wrote:
Hi!
Was there ever an updated version of this patch?
I don't see anything for this in the man pages git yet.
On Mon, Mar 11, 2024 at 07:19:08PM -0700, Eric Biggers wrote:
On Mon, Mar 11, 2024 at 04:31:36PM -0400, Kent Overstreet wrote:
Document the new statxt.stx_subvol field.
This would be clearer if we had a proper API for walking subvolumes that
we could refer to, but that's still coming.
Link: https://lore.kernel.org/linux-fsdevel/20240308022914.196982-1-kent.overstreet@xxxxxxxxx/
Signed-off-by: Kent Overstreet <kent.overstreet@xxxxxxxxx>
Cc: Alejandro Colomar <alx@xxxxxxxxxx>
Cc: linux-man@xxxxxxxxxxxxxxx
Cc: linux-fsdevel@xxxxxxxxxxxxxxx
---
man2/statx.2 | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/man2/statx.2 b/man2/statx.2
index 0dcf7e20bb1f..480e69b46a89 100644
--- a/man2/statx.2
+++ b/man2/statx.2
@@ -68,6 +68,7 @@ struct statx {
/* Direct I/O alignment restrictions */
__u32 stx_dio_mem_align;
__u32 stx_dio_offset_align;
+ __u64 stx_subvol; /* Subvolume identifier */
};
.EE
.in
@@ -255,6 +256,8 @@ STATX_ALL The same as STATX_BASIC_STATS | STATX_BTIME.
STATX_MNT_ID Want stx_mnt_id (since Linux 5.8)
STATX_DIOALIGN Want stx_dio_mem_align and stx_dio_offset_align
(since Linux 6.1; support varies by filesystem)
+STATX_SUBVOL Wants stx_subvol
+ (since Linux 6.9; support varies by filesystem)
The other ones say "Want", not "Wants".
+.TP
+.I stx_subvolume
It's stx_subvol, not stx_subvolume.
+Subvolume number of the current file.
+
Also, don't use blank lines. We use '.P' for new paragraphs.
+Subvolumes are fancy directories, i.e. they form a tree structure that may be walked recursively.
And please use semantic newlines (see man-pages(7)).
Have a lovely day!
Alex
How about documenting which filesystems support it?
- Eric