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-rw-r--r--fs/ceph/quota.c68
1 files changed, 40 insertions, 28 deletions
diff --git a/fs/ceph/quota.c b/fs/ceph/quota.c
index f7fcf7f08e..06ee397e0c 100644
--- a/fs/ceph/quota.c
+++ b/fs/ceph/quota.c
@@ -43,6 +43,7 @@ void ceph_handle_quota(struct ceph_mds_client *mdsc,
{
struct super_block *sb = mdsc->fsc->sb;
struct ceph_mds_quota *h = msg->front.iov_base;
+ struct ceph_client *cl = mdsc->fsc->client;
struct ceph_vino vino;
struct inode *inode;
struct ceph_inode_info *ci;
@@ -51,8 +52,8 @@ void ceph_handle_quota(struct ceph_mds_client *mdsc,
return;
if (msg->front.iov_len < sizeof(*h)) {
- pr_err("%s corrupt message mds%d len %d\n", __func__,
- session->s_mds, (int)msg->front.iov_len);
+ pr_err_client(cl, "corrupt message mds%d len %d\n",
+ session->s_mds, (int)msg->front.iov_len);
ceph_msg_dump(msg);
goto out;
}
@@ -62,7 +63,7 @@ void ceph_handle_quota(struct ceph_mds_client *mdsc,
vino.snap = CEPH_NOSNAP;
inode = ceph_find_inode(sb, vino);
if (!inode) {
- pr_warn("Failed to find inode %llu\n", vino.ino);
+ pr_warn_client(cl, "failed to find inode %llx\n", vino.ino);
goto out;
}
ci = ceph_inode(inode);
@@ -85,6 +86,7 @@ find_quotarealm_inode(struct ceph_mds_client *mdsc, u64 ino)
{
struct ceph_quotarealm_inode *qri = NULL;
struct rb_node **node, *parent = NULL;
+ struct ceph_client *cl = mdsc->fsc->client;
mutex_lock(&mdsc->quotarealms_inodes_mutex);
node = &(mdsc->quotarealms_inodes.rb_node);
@@ -110,7 +112,7 @@ find_quotarealm_inode(struct ceph_mds_client *mdsc, u64 ino)
rb_link_node(&qri->node, parent, node);
rb_insert_color(&qri->node, &mdsc->quotarealms_inodes);
} else
- pr_warn("Failed to alloc quotarealms_inode\n");
+ pr_warn_client(cl, "Failed to alloc quotarealms_inode\n");
}
mutex_unlock(&mdsc->quotarealms_inodes_mutex);
@@ -129,6 +131,7 @@ static struct inode *lookup_quotarealm_inode(struct ceph_mds_client *mdsc,
struct super_block *sb,
struct ceph_snap_realm *realm)
{
+ struct ceph_client *cl = mdsc->fsc->client;
struct ceph_quotarealm_inode *qri;
struct inode *in;
@@ -161,8 +164,8 @@ static struct inode *lookup_quotarealm_inode(struct ceph_mds_client *mdsc,
}
if (IS_ERR(in)) {
- dout("Can't lookup inode %llx (err: %ld)\n",
- realm->ino, PTR_ERR(in));
+ doutc(cl, "Can't lookup inode %llx (err: %ld)\n", realm->ino,
+ PTR_ERR(in));
qri->timeout = jiffies + msecs_to_jiffies(60 * 1000); /* XXX */
} else {
qri->timeout = 0;
@@ -194,10 +197,10 @@ void ceph_cleanup_quotarealms_inodes(struct ceph_mds_client *mdsc)
}
/*
- * This function walks through the snaprealm for an inode and returns the
- * ceph_snap_realm for the first snaprealm that has quotas set (max_files,
+ * This function walks through the snaprealm for an inode and set the
+ * realmp with the first snaprealm that has quotas set (max_files,
* max_bytes, or any, depending on the 'which_quota' argument). If the root is
- * reached, return the root ceph_snap_realm instead.
+ * reached, set the realmp with the root ceph_snap_realm instead.
*
* Note that the caller is responsible for calling ceph_put_snap_realm() on the
* returned realm.
@@ -208,26 +211,29 @@ void ceph_cleanup_quotarealms_inodes(struct ceph_mds_client *mdsc)
* this function will return -EAGAIN; otherwise, the snaprealms walk-through
* will be restarted.
*/
-static struct ceph_snap_realm *get_quota_realm(struct ceph_mds_client *mdsc,
- struct inode *inode,
- enum quota_get_realm which_quota,
- bool retry)
+static int get_quota_realm(struct ceph_mds_client *mdsc, struct inode *inode,
+ enum quota_get_realm which_quota,
+ struct ceph_snap_realm **realmp, bool retry)
{
+ struct ceph_client *cl = mdsc->fsc->client;
struct ceph_inode_info *ci = NULL;
struct ceph_snap_realm *realm, *next;
struct inode *in;
bool has_quota;
+ if (realmp)
+ *realmp = NULL;
if (ceph_snap(inode) != CEPH_NOSNAP)
- return NULL;
+ return 0;
restart:
realm = ceph_inode(inode)->i_snap_realm;
if (realm)
ceph_get_snap_realm(mdsc, realm);
else
- pr_err_ratelimited("get_quota_realm: ino (%llx.%llx) "
- "null i_snap_realm\n", ceph_vinop(inode));
+ pr_err_ratelimited_client(cl,
+ "%p %llx.%llx null i_snap_realm\n",
+ inode, ceph_vinop(inode));
while (realm) {
bool has_inode;
@@ -245,7 +251,7 @@ restart:
break;
ceph_put_snap_realm(mdsc, realm);
if (!retry)
- return ERR_PTR(-EAGAIN);
+ return -EAGAIN;
goto restart;
}
@@ -254,8 +260,11 @@ restart:
iput(in);
next = realm->parent;
- if (has_quota || !next)
- return realm;
+ if (has_quota || !next) {
+ if (realmp)
+ *realmp = realm;
+ return 0;
+ }
ceph_get_snap_realm(mdsc, next);
ceph_put_snap_realm(mdsc, realm);
@@ -264,7 +273,7 @@ restart:
if (realm)
ceph_put_snap_realm(mdsc, realm);
- return NULL;
+ return 0;
}
bool ceph_quota_is_same_realm(struct inode *old, struct inode *new)
@@ -272,6 +281,7 @@ bool ceph_quota_is_same_realm(struct inode *old, struct inode *new)
struct ceph_mds_client *mdsc = ceph_sb_to_mdsc(old->i_sb);
struct ceph_snap_realm *old_realm, *new_realm;
bool is_same;
+ int ret;
restart:
/*
@@ -281,9 +291,9 @@ restart:
* dropped and we can then restart the whole operation.
*/
down_read(&mdsc->snap_rwsem);
- old_realm = get_quota_realm(mdsc, old, QUOTA_GET_ANY, true);
- new_realm = get_quota_realm(mdsc, new, QUOTA_GET_ANY, false);
- if (PTR_ERR(new_realm) == -EAGAIN) {
+ get_quota_realm(mdsc, old, QUOTA_GET_ANY, &old_realm, true);
+ ret = get_quota_realm(mdsc, new, QUOTA_GET_ANY, &new_realm, false);
+ if (ret == -EAGAIN) {
up_read(&mdsc->snap_rwsem);
if (old_realm)
ceph_put_snap_realm(mdsc, old_realm);
@@ -317,6 +327,7 @@ static bool check_quota_exceeded(struct inode *inode, enum quota_check_op op,
loff_t delta)
{
struct ceph_mds_client *mdsc = ceph_sb_to_mdsc(inode->i_sb);
+ struct ceph_client *cl = mdsc->fsc->client;
struct ceph_inode_info *ci;
struct ceph_snap_realm *realm, *next;
struct inode *in;
@@ -332,8 +343,9 @@ restart:
if (realm)
ceph_get_snap_realm(mdsc, realm);
else
- pr_err_ratelimited("check_quota_exceeded: ino (%llx.%llx) "
- "null i_snap_realm\n", ceph_vinop(inode));
+ pr_err_ratelimited_client(cl,
+ "%p %llx.%llx null i_snap_realm\n",
+ inode, ceph_vinop(inode));
while (realm) {
bool has_inode;
@@ -383,7 +395,7 @@ restart:
break;
default:
/* Shouldn't happen */
- pr_warn("Invalid quota check op (%d)\n", op);
+ pr_warn_client(cl, "Invalid quota check op (%d)\n", op);
exceeded = true; /* Just break the loop */
}
iput(in);
@@ -485,8 +497,8 @@ bool ceph_quota_update_statfs(struct ceph_fs_client *fsc, struct kstatfs *buf)
bool is_updated = false;
down_read(&mdsc->snap_rwsem);
- realm = get_quota_realm(mdsc, d_inode(fsc->sb->s_root),
- QUOTA_GET_MAX_BYTES, true);
+ get_quota_realm(mdsc, d_inode(fsc->sb->s_root), QUOTA_GET_MAX_BYTES,
+ &realm, true);
up_read(&mdsc->snap_rwsem);
if (!realm)
return false;
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-27 21:21:07 +0000