> Lucas Werkmeister <mail@xxxxxxxxxxxxxxxxxxx> hat am 14. September 2018 um > 00:37 geschrieben: > > > The RENAME_NOREPLACE flag was added with the initial release of the > renameat2 syscall in Linux 3.15, but support for most filesystems was > only added in later versions, and some may still not support it. > > Signed-off-by: Lucas Werkmeister <mail@xxxxxxxxxxxxxxxxxxx> > --- > > Notes: > This list gets rather unwieldy with Linux 4.9, but I’m not sure what > the best way to avoid that is… > Hello, i would say that your commit message is better that the wording below. ENAME_NOREPLACE is available since Linux 3.15, but support for most filesystems was only added in later versions. IMHO going into details makes no sence. One example like: ext4 supports it since 3.15 also is ok but everything else is beyond what can be done otherwise you would need to change that sentence everytime someone adds a new FS or adds that feature. just my 2 cents re, wh > man2/rename.2 | 15 +++++++++++++++ > 1 file changed, 15 insertions(+) > > diff --git a/man2/rename.2 b/man2/rename.2 > index 53b26b589..03d542939 100644 > --- a/man2/rename.2 > +++ b/man2/rename.2 > @@ -209,6 +209,21 @@ already exists. > .B RENAME_NOREPLACE > can't be employed together with > .BR RENAME_EXCHANGE . > +.IP > +.B RENAME_NOREPLACE > +requires support from the underlying filesystem. > +Among the filesystems that provide that support are > +ext4 (since Linux 3.15), > +.\" ext4: commit 0a7c3937a1f23f8cb5fc77ae01661e9968a51d0c > +btrfs, shmem and cifs (since Linux 3.17), > +.\" btrfs: commit 80ace85c915d0f41016f82917218997b72431258 > +.\" shmem: commit 3b69ff51d087d265aa4af3a532fc4f20bf33e718 > +.\" cifs: commit 7c33d5972ce382bcc506d16235f1e9b7d22cbef8 > +and affs, bfs, exofs, ext2, hfs, hfsplus, jffs2, jfs, logfs, minix, msdos, > +nilfs2, omfs, reiserfs, sysvfs, ubifs, udf, ufs, vfat, > +hugetlbfs, ramfs, and bpf (since Linux 4.9). > +.\" local filesystems: commit f03b8ad8d38634d13e802165cc15917481b47835 > +.\" libfs: commit e0e0be8a835520e2f7c89f214dfda570922a1b90 > .TP > .BR RENAME_WHITEOUT " (since Linux 3.18)" > .\" commit 0d7a855526dd672e114aff2ac22b60fc6f155b08 > -- > 2.19.0 >
