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author | Xiubo Li <xiubli@redhat.com> | 2022-02-19 07:56:17 +0100 |
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committer | Ilya Dryomov <idryomov@gmail.com> | 2022-03-01 18:26:37 +0100 |
commit | 74a31df4f1f16807a93e414a322baf6eceddb60d (patch) | |
tree | b015b33598f76d03cbd442985e788885bd219aa7 /fs/ceph/super.h | |
parent | ceph: do not update snapshot context when there is no new snapshot (diff) | |
download | linux-74a31df4f1f16807a93e414a322baf6eceddb60d.tar.xz linux-74a31df4f1f16807a93e414a322baf6eceddb60d.zip |
ceph: eliminate the recursion when rebuilding the snap context
Use a list instead of recursion to avoid possible stack overflow.
Signed-off-by: Xiubo Li <xiubli@redhat.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to '')
-rw-r--r-- | fs/ceph/super.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/ceph/super.h b/fs/ceph/super.h index a2caa7beca4f..ef9f32ec905e 100644 --- a/fs/ceph/super.h +++ b/fs/ceph/super.h @@ -883,6 +883,8 @@ struct ceph_snap_realm { struct list_head dirty_item; /* if realm needs new context */ + struct list_head rebuild_item; /* rebuild snap realms _downward_ in hierarchy */ + /* the current set of snaps for this realm */ struct ceph_snap_context *cached_context; |