On Wed, Apr 23, 2025 at 06:03:15PM +0200, Luca Di Maio wrote: > Currently the only way to pre populate an XFS partition is via the > prototype file. While it works it has some limitations like: > - not allowed spaces in file names > - not preserving timestamps of original inodes > > This series adds a new -P option to mkfs.xfs that allows users to > populate a newly created filesystem directly from an existing directory. > While similar to the prototype functionality, this doesn't require > writing a prototype file. > The implementation preserves file and directory attributes (ownership, > permissions, timestamps) from the source directory when copying content > to the new filesystem. > > [v1] -> [v2] > remove changes to protofile spec > ensure backward compatibility > [v2] -> [v3] > use inode_set_[acm]time() as suggested > avoid copying atime and ctime > they are often problematic for reproducibility, and > mtime is the important information to preserve anyway > [v3] -> [v4] > rewrite functionality to populate directly from an input directory > this is similar to mkfs.ext4 option. > [v4] -> [v5] > reorder patch to make it easier to review > reflow to keep code below 80 chars > use _() macro in prints > add SPDX headers to new files > fix comment styling > move from typedef to structs > move direntry handling to own function > [v5] -> [v6] > rebase on 6.14 Urrrk, one revision per day, please. --D > Luca Di Maio (4): > proto: expose more functions from proto > populate: add ability to populate a filesystem from a directory > mkfs: add -P flag to populate a filesystem from a directory > man: document -P flag to populate a filesystem from a directory > > man/man8/mkfs.xfs.8.in | 7 + > mkfs/Makefile | 2 +- > mkfs/populate.c | 313 +++++++++++++++++++++++++++++++++++++++++ > mkfs/populate.h | 10 ++ > mkfs/proto.c | 33 ++--- > mkfs/proto.h | 22 +++ > mkfs/xfs_mkfs.c | 23 ++- > 7 files changed, 385 insertions(+), 25 deletions(-) > create mode 100644 mkfs/populate.c > create mode 100644 mkfs/populate.h > > Signed-off-by: Luca Di Maio <luca.dimaio1@xxxxxxxxx> > > -- > 2.49.0 >
