[PATCH v2 04/10] man/man2/statmount.2: Document STATMOUNT_SB_SOURCE

Bhavik Sachdev <[email protected]> Sun, 22 Feb 2026 20:15:54 +0530
Newsgroups dev.linux.lists.criu,org.kernel.vger.linux-man
Message-ID <569933a8b526b89d35e84d5f0af42c7a4711b97f.1771771560.git.b.sachdev1904@gmail.com>
Document STATMOUNT_SB_SOURCE flag and the corresponding field introduced
by it. This text is based on this commit message [1].

Link [1]:
<https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=44010543fc8bedad172aa5b6c43480e5d2124497>

Signed-off-by: Bhavik Sachdev <[email protected]>
---
 man/man2/statmount.2 | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/man/man2/statmount.2 b/man/man2/statmount.2
index 29080246b..f7a2feff9 100644
--- a/man/man2/statmount.2
+++ b/man/man2/statmount.2
@@ -51,6 +51,7 @@ .SH SYNOPSIS
 .B "    __u32  mnt_point;"
 .B "    __u64  mnt_ns_id;"
 .B "    __u32  fs_subtype;"
+.B "    __u32  sb_source;"
 .B "    char   str[];"
 .B };
 .EE
@@ -112,6 +113,7 @@ .SS The mnt_id_req structure
 STATMOUNT_MNT_NS_ID	/* Want/got mnt_ns_id */
 STATMOUNT_MNT_OPTS	/* Want/got mnt_opts */
 STATMOUNT_FS_SUBTYPE	/* Want/got fs_subtype */
+STATMOUNT_SB_SOURCE	/* Want/got sb_source */
 .TE
 .in
 .P
@@ -268,6 +270,12 @@ .SS The returned information
 buffer that contains the string representation of the file system subtype.
 This is particularly useful for disambiguating FUSE mounts.
 It is a null-terminated string.
+.TP
+.IR smbuf.sb_source " (since Linux 6.13)"
+The offset to the location in the
+.I smbuf.str
+that contains the source of the mount.
+It is a null-terminated string.
 .SH RETURN VALUE
 On success, zero is returned.
 On error, \-1 is returned, and
-- 
2.53.0