ceph: apply nearfull_sync option on remount

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ceph_parse_mount_param() stores nearfull_sync / nonearfull_sync on the
temporary fs_context options, but ceph_reconfigure_fc() never copied
CEPH_MOUNT_OPT_NEARFULL_SYNC onto the live mount. Remount therefore
succeeded while writes and /proc/mounts kept the original-mount flag.

Apply the flag the same way as ASYNC_DIROPS and SPARSEREAD so remount
can enable or disable NEARFULL IOCB_DSYNC promotion.

Fixes: c7a12c20bfba ("ceph: make nearfull sync writes opt-in")
Signed-off-by: Alex Markuze <amarkuze@redhat.com>
Reviewed-by: Xiubo Li <xiubo.li@clyso.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>

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Alex Markuze 2026-08-27 15:16:21 +00:00 • committed by Ilya Dryomov

parent f75987e543

commit dc173b3741

1 changed files with 5 additions and 0 deletions

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fs/ceph/super.c

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