Update list of filesystems that support ID-mapped mounts. Signed-off-by: Christian Brauner (Microsoft) <brauner@xxxxxxxxxx> --- man2/mount_setattr.2 | 43 ++++++++++++++++++++++++++++++++++++------- 1 file changed, 36 insertions(+), 7 deletions(-) diff --git a/man2/mount_setattr.2 b/man2/mount_setattr.2 index 0999373d6..13d66db4f 100644 --- a/man2/mount_setattr.2 +++ b/man2/mount_setattr.2 @@ -656,14 +656,43 @@ capability in the user namespace the filesystem was mounted in. .\" support ID-mapped mounts. .IP \(bu The underlying filesystem must support ID-mapped mounts. -Currently, the -.BR xfs (5), -.BR ext4 (5), -and -.B FAT -filesystems support ID-mapped mounts -with more filesystems being actively worked on. +Currently, the following filesystems support ID-mapped mounts: +.\" fs_flags = FS_ALLOW_IDMAP in kernel sources +.PP +.RS 3 +.PD 0 +.IP \(bu 3 +.BR xfs (5) +(since Linux 5.12) +.IP \(bu +.BR ext4 (5) +(since Linux 5.12) +.IP \(bu +.BR FAT +(since Linux 5.12) +.IP \(bu +.BR btrfs (5) +(since Linux 5.15) +.\" commit 5b9b26f5d0b88b74001dcfe4ab8a8f2f4e744112 .IP \(bu +.BR ntfs3 +(since Linux 5.15) +.\" commit 82cae269cfa953032fbb8980a7d554d60fb00b17 +.IP \(bu +.BR f2fs +(since Linux 5.18) +.\" commit 984fc4e76d63345499f01c0c198a4b44860cf027 +.IP \(bu +.BR erofs +(since Linux 5.19) +.\" commit 6c459b78d4793afbba6d864c466cc5cd2932459d +.IP \(bu +.BR overlayfs +(ID-mapped lower and upper layers supported since Linux 5.19) +.PD +.RE +.PP +.IP \(bu 3 The mount must not already be ID-mapped. This also implies that the ID mapping of a mount cannot be altered. .IP \(bu -- 2.34.1
