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[scarthgap,2/2] files: overlayfs-create-dirs: Improve mount unit dependency

Message ID 20250204-scarthgap-overlayfs-create-dirs-v1-2-4a70d03db557@geanix.com
State New
Headers show
Series Backport a couple of changes to overlayfs-create-dirs | expand

Commit Message

Esben Haabendal Feb. 4, 2025, 1:53 p.m. UTC 
The RequiresMountsFor configuration option of systemd.unit (added in
systemd version 201) not only adds the Requires and After options for
the required mount unit, but it adds them for all mount units required
to access the specified path.

So this change is both a simplification, and an improvement.

Not only will all needed mount units be added to Requires and After, but
the overlay path does not have to be a mountpoint, but can be at any
directory level beneath a mountpoint.

Signed-off-by: Esben Haabendal <esben@geanix.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Ross Burton <ross.burton@arm.com>
(cherry picked from commit fa2422232a143b21aeea3728abca82100946dbc4)
---
 meta/files/overlayfs-create-dirs.service.in | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
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Patch

diff --git a/meta/files/overlayfs-create-dirs.service.in b/meta/files/overlayfs-create-dirs.service.in
index d8d916365a4562dbe522eca9f291a9a4c859f7d9..c8431548d76d18b8dfafd5a69d18f25b6629cc4f 100644
--- a/meta/files/overlayfs-create-dirs.service.in
+++ b/meta/files/overlayfs-create-dirs.service.in
@@ -1,7 +1,6 @@ 
 [Unit]
 Description=Overlayfs directories setup {LOWERDIR}
-Requires={DATA_MOUNT_UNIT}
-After={DATA_MOUNT_UNIT}
+RequiresMountsFor={DATA_MOUNT_POINT}
 DefaultDependencies=no
 
 [Service]