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authorXiubo Li <xiubli@redhat.com>2020-09-03 15:01:39 +0200
committerIlya Dryomov <idryomov@gmail.com>2020-10-12 15:29:26 +0200
commit2678da88f4b449300d56e0e7a9e77d1a79c83463 (patch)
tree4c59dcf1d7706783cc11e697065d94155d08c60d /fs/ceph
parentceph: drop special-casing for ITER_PIPE in ceph_sync_read (diff)
downloadlinux-2678da88f4b449300d56e0e7a9e77d1a79c83463.tar.xz
linux-2678da88f4b449300d56e0e7a9e77d1a79c83463.zip
ceph: add ceph_sb_to_mdsc helper support to parse the mdsc
This will help simplify the code. [ jlayton: fix minor merge conflict in quota.c ] Signed-off-by: Xiubo Li <xiubli@redhat.com> Signed-off-by: Jeff Layton <jlayton@kernel.org> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'fs/ceph')
-rw-r--r--fs/ceph/caps.c3
-rw-r--r--fs/ceph/dir.c20
-rw-r--r--fs/ceph/file.c8
-rw-r--r--fs/ceph/inode.c5
-rw-r--r--fs/ceph/locks.c2
-rw-r--r--fs/ceph/quota.c10
-rw-r--r--fs/ceph/snap.c2
-rw-r--r--fs/ceph/super.h6
8 files changed, 26 insertions, 30 deletions
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index 034b3f4fdd3a..39753e0e0e5a 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -1906,9 +1906,8 @@ bool __ceph_should_report_size(struct ceph_inode_info *ci)
void ceph_check_caps(struct ceph_inode_info *ci, int flags,
struct ceph_mds_session *session)
{
- struct ceph_fs_client *fsc = ceph_inode_to_client(&ci->vfs_inode);
- struct ceph_mds_client *mdsc = fsc->mdsc;
struct inode *inode = &ci->vfs_inode;
+ struct ceph_mds_client *mdsc = ceph_sb_to_mdsc(inode->i_sb);
struct ceph_cap *cap;
u64 flush_tid, oldest_flush_tid;
int file_wanted, used, cap_used;
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index d72e4a12bb69..a4d48370b2b3 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -38,8 +38,7 @@ static int __dir_lease_try_check(const struct dentry *dentry);
static int ceph_d_init(struct dentry *dentry)
{
struct ceph_dentry_info *di;
- struct ceph_fs_client *fsc = ceph_sb_to_client(dentry->d_sb);
- struct ceph_mds_client *mdsc = fsc->mdsc;
+ struct ceph_mds_client *mdsc = ceph_sb_to_mdsc(dentry->d_sb);
di = kmem_cache_zalloc(ceph_dentry_cachep, GFP_KERNEL);
if (!di)
@@ -738,7 +737,7 @@ static struct dentry *ceph_lookup(struct inode *dir, struct dentry *dentry,
unsigned int flags)
{
struct ceph_fs_client *fsc = ceph_sb_to_client(dir->i_sb);
- struct ceph_mds_client *mdsc = fsc->mdsc;
+ struct ceph_mds_client *mdsc = ceph_sb_to_mdsc(dir->i_sb);
struct ceph_mds_request *req;
int op;
int mask;
@@ -827,8 +826,7 @@ int ceph_handle_notrace_create(struct inode *dir, struct dentry *dentry)
static int ceph_mknod(struct inode *dir, struct dentry *dentry,
umode_t mode, dev_t rdev)
{
- struct ceph_fs_client *fsc = ceph_sb_to_client(dir->i_sb);
- struct ceph_mds_client *mdsc = fsc->mdsc;
+ struct ceph_mds_client *mdsc = ceph_sb_to_mdsc(dir->i_sb);
struct ceph_mds_request *req;
struct ceph_acl_sec_ctx as_ctx = {};
int err;
@@ -889,8 +887,7 @@ static int ceph_create(struct inode *dir, struct dentry *dentry, umode_t mode,
static int ceph_symlink(struct inode *dir, struct dentry *dentry,
const char *dest)
{
- struct ceph_fs_client *fsc = ceph_sb_to_client(dir->i_sb);
- struct ceph_mds_client *mdsc = fsc->mdsc;
+ struct ceph_mds_client *mdsc = ceph_sb_to_mdsc(dir->i_sb);
struct ceph_mds_request *req;
struct ceph_acl_sec_ctx as_ctx = {};
int err;
@@ -942,8 +939,7 @@ out:
static int ceph_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
{
- struct ceph_fs_client *fsc = ceph_sb_to_client(dir->i_sb);
- struct ceph_mds_client *mdsc = fsc->mdsc;
+ struct ceph_mds_client *mdsc = ceph_sb_to_mdsc(dir->i_sb);
struct ceph_mds_request *req;
struct ceph_acl_sec_ctx as_ctx = {};
int err = -EROFS;
@@ -1010,8 +1006,7 @@ out:
static int ceph_link(struct dentry *old_dentry, struct inode *dir,
struct dentry *dentry)
{
- struct ceph_fs_client *fsc = ceph_sb_to_client(dir->i_sb);
- struct ceph_mds_client *mdsc = fsc->mdsc;
+ struct ceph_mds_client *mdsc = ceph_sb_to_mdsc(dir->i_sb);
struct ceph_mds_request *req;
int err;
@@ -1192,8 +1187,7 @@ static int ceph_rename(struct inode *old_dir, struct dentry *old_dentry,
struct inode *new_dir, struct dentry *new_dentry,
unsigned int flags)
{
- struct ceph_fs_client *fsc = ceph_sb_to_client(old_dir->i_sb);
- struct ceph_mds_client *mdsc = fsc->mdsc;
+ struct ceph_mds_client *mdsc = ceph_sb_to_mdsc(old_dir->i_sb);
struct ceph_mds_request *req;
int op = CEPH_MDS_OP_RENAME;
int err;
diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index ed8fbfe3bddc..762a280b7037 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -182,8 +182,7 @@ static void put_bvecs(struct bio_vec *bvecs, int num_bvecs, bool should_dirty)
static struct ceph_mds_request *
prepare_open_request(struct super_block *sb, int flags, int create_mode)
{
- struct ceph_fs_client *fsc = ceph_sb_to_client(sb);
- struct ceph_mds_client *mdsc = fsc->mdsc;
+ struct ceph_mds_client *mdsc = ceph_sb_to_mdsc(sb);
struct ceph_mds_request *req;
int want_auth = USE_ANY_MDS;
int op = (flags & O_CREAT) ? CEPH_MDS_OP_CREATE : CEPH_MDS_OP_OPEN;
@@ -283,7 +282,7 @@ static int ceph_init_file(struct inode *inode, struct file *file, int fmode)
*/
int ceph_renew_caps(struct inode *inode, int fmode)
{
- struct ceph_mds_client *mdsc = ceph_inode_to_client(inode)->mdsc;
+ struct ceph_mds_client *mdsc = ceph_sb_to_mdsc(inode->i_sb);
struct ceph_inode_info *ci = ceph_inode(inode);
struct ceph_mds_request *req;
int err, flags, wanted;
@@ -1027,8 +1026,7 @@ static void ceph_aio_complete_req(struct ceph_osd_request *req)
struct inode *inode = req->r_inode;
struct ceph_aio_request *aio_req = req->r_priv;
struct ceph_osd_data *osd_data = osd_req_op_extent_osd_data(req, 0);
- struct ceph_fs_client *fsc = ceph_inode_to_client(inode);
- struct ceph_client_metric *metric = &fsc->mdsc->metric;
+ struct ceph_client_metric *metric = &ceph_sb_to_mdsc(inode->i_sb)->metric;
BUG_ON(osd_data->type != CEPH_OSD_DATA_TYPE_BVECS);
BUG_ON(!osd_data->num_bvecs);
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index d163fa96cb40..1fed0e827eb7 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -558,8 +558,7 @@ void ceph_evict_inode(struct inode *inode)
* caps in i_snap_caps.
*/
if (ci->i_snap_realm) {
- struct ceph_mds_client *mdsc =
- ceph_inode_to_client(inode)->mdsc;
+ struct ceph_mds_client *mdsc = ceph_sb_to_mdsc(inode->i_sb);
if (ceph_snap(inode) == CEPH_NOSNAP) {
struct ceph_snap_realm *realm = ci->i_snap_realm;
dout(" dropping residual ref to snap realm %p\n",
@@ -739,7 +738,7 @@ int ceph_fill_inode(struct inode *inode, struct page *locked_page,
struct ceph_mds_session *session, int cap_fmode,
struct ceph_cap_reservation *caps_reservation)
{
- struct ceph_mds_client *mdsc = ceph_inode_to_client(inode)->mdsc;
+ struct ceph_mds_client *mdsc = ceph_sb_to_mdsc(inode->i_sb);
struct ceph_mds_reply_inode *info = iinfo->in;
struct ceph_inode_info *ci = ceph_inode(inode);
int issued, new_issued, info_caps;
diff --git a/fs/ceph/locks.c b/fs/ceph/locks.c
index d6b9166e71e4..048a435a29be 100644
--- a/fs/ceph/locks.c
+++ b/fs/ceph/locks.c
@@ -63,7 +63,7 @@ static const struct file_lock_operations ceph_fl_lock_ops = {
static int ceph_lock_message(u8 lock_type, u16 operation, struct inode *inode,
int cmd, u8 wait, struct file_lock *fl)
{
- struct ceph_mds_client *mdsc = ceph_sb_to_client(inode->i_sb)->mdsc;
+ struct ceph_mds_client *mdsc = ceph_sb_to_mdsc(inode->i_sb);
struct ceph_mds_request *req;
int err;
u64 length = 0;
diff --git a/fs/ceph/quota.c b/fs/ceph/quota.c
index cc2c4d40b022..83cb4f26b689 100644
--- a/fs/ceph/quota.c
+++ b/fs/ceph/quota.c
@@ -12,7 +12,7 @@
void ceph_adjust_quota_realms_count(struct inode *inode, bool inc)
{
- struct ceph_mds_client *mdsc = ceph_inode_to_client(inode)->mdsc;
+ struct ceph_mds_client *mdsc = ceph_sb_to_mdsc(inode->i_sb);
if (inc)
atomic64_inc(&mdsc->quotarealms_count);
else
@@ -21,8 +21,8 @@ void ceph_adjust_quota_realms_count(struct inode *inode, bool inc)
static inline bool ceph_has_realms_with_quotas(struct inode *inode)
{
- struct ceph_mds_client *mdsc = ceph_inode_to_client(inode)->mdsc;
- struct super_block *sb = mdsc->fsc->sb;
+ struct super_block *sb = inode->i_sb;
+ struct ceph_mds_client *mdsc = ceph_sb_to_mdsc(sb);
struct inode *root = d_inode(sb->s_root);
if (atomic64_read(&mdsc->quotarealms_count) > 0)
@@ -266,7 +266,7 @@ restart:
static bool ceph_quota_is_same_realm(struct inode *old, struct inode *new)
{
- struct ceph_mds_client *mdsc = ceph_inode_to_client(old)->mdsc;
+ struct ceph_mds_client *mdsc = ceph_sb_to_mdsc(old->i_sb);
struct ceph_snap_realm *old_realm, *new_realm;
bool is_same;
@@ -313,7 +313,7 @@ enum quota_check_op {
static bool check_quota_exceeded(struct inode *inode, enum quota_check_op op,
loff_t delta)
{
- struct ceph_mds_client *mdsc = ceph_inode_to_client(inode)->mdsc;
+ struct ceph_mds_client *mdsc = ceph_sb_to_mdsc(inode->i_sb);
struct ceph_inode_info *ci;
struct ceph_snap_realm *realm, *next;
struct inode *in;
diff --git a/fs/ceph/snap.c b/fs/ceph/snap.c
index 923be9399b21..0da39c16dab4 100644
--- a/fs/ceph/snap.c
+++ b/fs/ceph/snap.c
@@ -602,7 +602,7 @@ int __ceph_finish_cap_snap(struct ceph_inode_info *ci,
struct ceph_cap_snap *capsnap)
{
struct inode *inode = &ci->vfs_inode;
- struct ceph_mds_client *mdsc = ceph_sb_to_client(inode->i_sb)->mdsc;
+ struct ceph_mds_client *mdsc = ceph_sb_to_mdsc(inode->i_sb);
BUG_ON(capsnap->writing);
capsnap->size = inode->i_size;
diff --git a/fs/ceph/super.h b/fs/ceph/super.h
index a3995ebe0623..483a52d281cd 100644
--- a/fs/ceph/super.h
+++ b/fs/ceph/super.h
@@ -451,6 +451,12 @@ ceph_sb_to_client(const struct super_block *sb)
return (struct ceph_fs_client *)sb->s_fs_info;
}
+static inline struct ceph_mds_client *
+ceph_sb_to_mdsc(const struct super_block *sb)
+{
+ return (struct ceph_mds_client *)ceph_sb_to_client(sb)->mdsc;
+}
+
static inline struct ceph_vino
ceph_vino(const struct inode *inode)
{