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Two CephFS fixes marked for stable and a MAINTAINERS update.

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Merge tag 'ceph-for-6.9-rc4' of https://github.com/ceph/ceph-client

Pull ceph fixes from Ilya Dryomov:
 "Two CephFS fixes marked for stable and a MAINTAINERS update"

* tag 'ceph-for-6.9-rc4' of https://github.com/ceph/ceph-client:
  MAINTAINERS: remove myself as a Reviewer for Ceph
  ceph: switch to use cap_delay_lock for the unlink delay list
  ceph: redirty page before returning AOP_WRITEPAGE_ACTIVATE
This commit is contained in:
Linus Torvalds 2024-04-12 10:15:46 -07:00
commit 90d3eaaf4f
5 changed files with 10 additions and 12 deletions
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2
MAINTAINERS
View File

@ -4869,7 +4869,6 @@ F: drivers/power/supply/cw2015_battery.c
CEPH COMMON CODE (LIBCEPH)
M: Ilya Dryomov <idryomov@gmail.com>
M: Xiubo Li <xiubli@redhat.com>
R: Jeff Layton <jlayton@kernel.org>
L: ceph-devel@vger.kernel.org
S: Supported
W: http://ceph.com/
@ -4881,7 +4880,6 @@ F: net/ceph/
CEPH DISTRIBUTED FILE SYSTEM CLIENT (CEPH)
M: Xiubo Li <xiubli@redhat.com>
M: Ilya Dryomov <idryomov@gmail.com>
R: Jeff Layton <jlayton@kernel.org>
L: ceph-devel@vger.kernel.org
S: Supported
W: http://ceph.com/

4
fs/ceph/addr.c
View File

@ -795,8 +795,10 @@ static int ceph_writepage(struct page *page, struct writeback_control *wbc)
ihold(inode);
if (wbc->sync_mode == WB_SYNC_NONE &&
ceph_inode_to_fs_client(inode)->write_congested)
ceph_inode_to_fs_client(inode)->write_congested) {
redirty_page_for_writepage(wbc, page);
return AOP_WRITEPAGE_ACTIVATE;
}
wait_on_page_fscache(page);

4
fs/ceph/caps.c
View File

@ -4783,13 +4783,13 @@ int ceph_drop_caps_for_unlink(struct inode *inode)
doutc(mdsc->fsc->client, "%p %llx.%llx\n", inode,
ceph_vinop(inode));
spin_lock(&mdsc->cap_unlink_delay_lock);
spin_lock(&mdsc->cap_delay_lock);
ci->i_ceph_flags |= CEPH_I_FLUSH;
if (!list_empty(&ci->i_cap_delay_list))
list_del_init(&ci->i_cap_delay_list);
list_add_tail(&ci->i_cap_delay_list,
&mdsc->cap_unlink_delay_list);
spin_unlock(&mdsc->cap_unlink_delay_lock);
spin_unlock(&mdsc->cap_delay_lock);
/*
* Fire the work immediately, because the MDS maybe

9
fs/ceph/mds_client.c
View File

@ -2504,7 +2504,7 @@ static void ceph_cap_unlink_work(struct work_struct *work)
struct ceph_client *cl = mdsc->fsc->client;
doutc(cl, "begin\n");
spin_lock(&mdsc->cap_unlink_delay_lock);
spin_lock(&mdsc->cap_delay_lock);
while (!list_empty(&mdsc->cap_unlink_delay_list)) {
struct ceph_inode_info *ci;
struct inode *inode;
@ -2516,15 +2516,15 @@ static void ceph_cap_unlink_work(struct work_struct *work)
inode = igrab(&ci->netfs.inode);
if (inode) {
spin_unlock(&mdsc->cap_unlink_delay_lock);
spin_unlock(&mdsc->cap_delay_lock);
doutc(cl, "on %p %llx.%llx\n", inode,
ceph_vinop(inode));
ceph_check_caps(ci, CHECK_CAPS_FLUSH);
iput(inode);
spin_lock(&mdsc->cap_unlink_delay_lock);
spin_lock(&mdsc->cap_delay_lock);
}
}
spin_unlock(&mdsc->cap_unlink_delay_lock);
spin_unlock(&mdsc->cap_delay_lock);
doutc(cl, "done\n");
}
@ -5404,7 +5404,6 @@ int ceph_mdsc_init(struct ceph_fs_client *fsc)
INIT_LIST_HEAD(&mdsc->cap_wait_list);
spin_lock_init(&mdsc->cap_delay_lock);
INIT_LIST_HEAD(&mdsc->cap_unlink_delay_list);
spin_lock_init(&mdsc->cap_unlink_delay_lock);
INIT_LIST_HEAD(&mdsc->snap_flush_list);
spin_lock_init(&mdsc->snap_flush_lock);
mdsc->last_cap_flush_tid = 1;

3
fs/ceph/mds_client.h
View File

@ -461,9 +461,8 @@ struct ceph_mds_client {
struct delayed_work delayed_work; /* delayed work */
unsigned long last_renew_caps; /* last time we renewed our caps */
struct list_head cap_delay_list; /* caps with delayed release */
spinlock_t cap_delay_lock; /* protects cap_delay_list */
struct list_head cap_unlink_delay_list; /* caps with delayed release for unlink */
spinlock_t cap_unlink_delay_lock; /* protects cap_unlink_delay_list */
spinlock_t cap_delay_lock; /* protects cap_delay_list and cap_unlink_delay_list */
struct list_head snap_flush_list; /* cap_snaps ready to flush */
spinlock_t snap_flush_lock;