ovl: pass ofs to setattr operations

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Pass down struct ovl_fs to setattr operations so we can ultimately
retrieve the relevant upper mount and take the mount's idmapping into
account when creating new filesystem objects. This is needed to support
idmapped base layers with overlay.

Cc: <linux-unionfs@vger.kernel.org>
Tested-by: Giuseppe Scrivano <gscrivan@redhat.com>
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Christian Brauner (Microsoft) <brauner@kernel.org>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>

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Christian Brauner 2022-04-04 12:51:46 +02:00 • committed by Miklos Szeredi

parent c67cf65447

commit 5272eaf3a5

3 changed files with 13 additions and 10 deletions

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19

fs/overlayfs/copy_up.c

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2

fs/overlayfs/dir.c

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2

fs/overlayfs/overlayfs.h

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