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A patch to catch up with mdsmap encoding rectification which ended up

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being necessary after all to enable cluster upgrades from problematic
 v18.2.0 and v18.2.1 releases.
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Merge tag 'ceph-for-6.8-rc7' of https://github.com/ceph/ceph-client

Pull ceph fix from Ilya Dryomov:
 "Catch up with mdsmap encoding rectification which ended up being
  necessary after all to enable cluster upgrades from problematic
  v18.2.0 and v18.2.1 releases"

* tag 'ceph-for-6.8-rc7' of https://github.com/ceph/ceph-client:
  ceph: switch to corrected encoding of max_xattr_size in mdsmap
This commit is contained in:
Linus Torvalds 2024-03-01 12:34:23 -08:00
commit 5870ba3dc6
2 changed files with 9 additions and 4 deletions
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7
fs/ceph/mdsmap.c
View File

@ -380,10 +380,11 @@ struct ceph_mdsmap *ceph_mdsmap_decode(struct ceph_mds_client *mdsc, void **p,
ceph_decode_skip_8(p, end, bad_ext);
/* required_client_features */
ceph_decode_skip_set(p, end, 64, bad_ext);
/* bal_rank_mask */
ceph_decode_skip_string(p, end, bad_ext);
}
if (mdsmap_ev >= 18) {
ceph_decode_64_safe(p, end, m->m_max_xattr_size, bad_ext);
} else {
/* This forces the usage of the (sync) SETXATTR Op */
m->m_max_xattr_size = 0;
}
bad_ext:
doutc(cl, "m_enabled: %d, m_damaged: %d, m_num_laggy: %d\n",

6
fs/ceph/mdsmap.h
View File

@ -27,7 +27,11 @@ struct ceph_mdsmap {
u32 m_session_timeout; /* seconds */
u32 m_session_autoclose; /* seconds */
u64 m_max_file_size;
u64 m_max_xattr_size; /* maximum size for xattrs blob */
/*
* maximum size for xattrs blob.
* Zeroed by default to force the usage of the (sync) SETXATTR Op.
*/
u64 m_max_xattr_size;
u32 m_max_mds; /* expected up:active mds number */
u32 m_num_active_mds; /* actual up:active mds number */
u32 possible_max_rank; /* possible max rank index */