ceph: adapt to breakup of struct file_lock

Most of the existing APIs have remained the same, but subsystems that
access file_lock fields directly need to reach into struct
file_lock_core now.

Signed-off-by: Jeff Layton <jlayton@kernel.org>
Link: https://lore.kernel.org/r/20240131-flsplit-v3-36-c6129007ee8d@kernel.org
Reviewed-by: NeilBrown <neilb@suse.de>
Signed-off-by: Christian Brauner <brauner@kernel.org>

diff --git a/fs/ceph/locks.c b/fs/ceph/locks.c
index ce773e9..ebf4ac0 100644 (file)
--- a/fs/ceph/locks.c
+++ b/fs/ceph/locks.c
@@ -7,7 +7,6 @@
 
 #include "super.h"
 #include "mds_client.h"
-#define _NEED_FILE_LOCK_FIELD_MACROS
 #include <linux/filelock.h>
 #include <linux/ceph/pagelist.h>
 
@@ -34,7 +33,7 @@ void __init ceph_flock_init(void)
 
 static void ceph_fl_copy_lock(struct file_lock *dst, struct file_lock *src)
 {
-       struct inode *inode = file_inode(dst->fl_file);
+       struct inode *inode = file_inode(dst->c.flc_file);
        atomic_inc(&ceph_inode(inode)->i_filelock_ref);
        dst->fl_u.ceph.inode = igrab(inode);
 }
@@ -111,17 +110,18 @@ static int ceph_lock_message(u8 lock_type, u16 operation, struct inode *inode,
        else
                length = fl->fl_end - fl->fl_start + 1;
 
-       owner = secure_addr(fl->fl_owner);
+       owner = secure_addr(fl->c.flc_owner);
 
        doutc(cl, "rule: %d, op: %d, owner: %llx, pid: %llu, "
                    "start: %llu, length: %llu, wait: %d, type: %d\n",
-                   (int)lock_type, (int)operation, owner, (u64)fl->fl_pid,
-                   fl->fl_start, length, wait, fl->fl_type);
+                   (int)lock_type, (int)operation, owner,
+                   (u64) fl->c.flc_pid,
+                   fl->fl_start, length, wait, fl->c.flc_type);
 
        req->r_args.filelock_change.rule = lock_type;
        req->r_args.filelock_change.type = cmd;
        req->r_args.filelock_change.owner = cpu_to_le64(owner);
-       req->r_args.filelock_change.pid = cpu_to_le64((u64)fl->fl_pid);
+       req->r_args.filelock_change.pid = cpu_to_le64((u64) fl->c.flc_pid);
        req->r_args.filelock_change.start = cpu_to_le64(fl->fl_start);
        req->r_args.filelock_change.length = cpu_to_le64(length);
        req->r_args.filelock_change.wait = wait;
@@ -131,13 +131,13 @@ static int ceph_lock_message(u8 lock_type, u16 operation, struct inode *inode,
                err = ceph_mdsc_wait_request(mdsc, req, wait ?
                                        ceph_lock_wait_for_completion : NULL);
        if (!err && operation == CEPH_MDS_OP_GETFILELOCK) {
-               fl->fl_pid = -le64_to_cpu(req->r_reply_info.filelock_reply->pid);
+               fl->c.flc_pid = -le64_to_cpu(req->r_reply_info.filelock_reply->pid);
                if (CEPH_LOCK_SHARED == req->r_reply_info.filelock_reply->type)
-                       fl->fl_type = F_RDLCK;
+                       fl->c.flc_type = F_RDLCK;
                else if (CEPH_LOCK_EXCL == req->r_reply_info.filelock_reply->type)
-                       fl->fl_type = F_WRLCK;
+                       fl->c.flc_type = F_WRLCK;
                else
-                       fl->fl_type = F_UNLCK;
+                       fl->c.flc_type = F_UNLCK;
 
                fl->fl_start = le64_to_cpu(req->r_reply_info.filelock_reply->start);
                length = le64_to_cpu(req->r_reply_info.filelock_reply->start) +
@@ -151,8 +151,8 @@ static int ceph_lock_message(u8 lock_type, u16 operation, struct inode *inode,
        ceph_mdsc_put_request(req);
        doutc(cl, "rule: %d, op: %d, pid: %llu, start: %llu, "
              "length: %llu, wait: %d, type: %d, err code %d\n",
-             (int)lock_type, (int)operation, (u64)fl->fl_pid,
-             fl->fl_start, length, wait, fl->fl_type, err);
+             (int)lock_type, (int)operation, (u64) fl->c.flc_pid,
+             fl->fl_start, length, wait, fl->c.flc_type, err);
        return err;
 }
 
@@ -228,10 +228,10 @@ static int ceph_lock_wait_for_completion(struct ceph_mds_client *mdsc,
 static int try_unlock_file(struct file *file, struct file_lock *fl)
 {
        int err;
-       unsigned int orig_flags = fl->fl_flags;
-       fl->fl_flags |= FL_EXISTS;
+       unsigned int orig_flags = fl->c.flc_flags;
+       fl->c.flc_flags |= FL_EXISTS;
        err = locks_lock_file_wait(file, fl);
-       fl->fl_flags = orig_flags;
+       fl->c.flc_flags = orig_flags;
        if (err == -ENOENT) {
                if (!(orig_flags & FL_EXISTS))
                        err = 0;
@@ -254,13 +254,13 @@ int ceph_lock(struct file *file, int cmd, struct file_lock *fl)
        u8 wait = 0;
        u8 lock_cmd;
 
-       if (!(fl->fl_flags & FL_POSIX))
+       if (!(fl->c.flc_flags & FL_POSIX))
                return -ENOLCK;
 
        if (ceph_inode_is_shutdown(inode))
                return -ESTALE;
 
-       doutc(cl, "fl_owner: %p\n", fl->fl_owner);
+       doutc(cl, "fl_owner: %p\n", fl->c.flc_owner);
 
        /* set wait bit as appropriate, then make command as Ceph expects it*/
        if (IS_GETLK(cmd))
@@ -294,7 +294,7 @@ int ceph_lock(struct file *file, int cmd, struct file_lock *fl)
 
        err = ceph_lock_message(CEPH_LOCK_FCNTL, op, inode, lock_cmd, wait, fl);
        if (!err) {
-               if (op == CEPH_MDS_OP_SETFILELOCK && F_UNLCK != fl->fl_type) {
+               if (op == CEPH_MDS_OP_SETFILELOCK && F_UNLCK != fl->c.flc_type) {
                        doutc(cl, "locking locally\n");
                        err = posix_lock_file(file, fl, NULL);
                        if (err) {
@@ -320,13 +320,13 @@ int ceph_flock(struct file *file, int cmd, struct file_lock *fl)
        u8 wait = 0;
        u8 lock_cmd;
 
-       if (!(fl->fl_flags & FL_FLOCK))
+       if (!(fl->c.flc_flags & FL_FLOCK))
                return -ENOLCK;
 
        if (ceph_inode_is_shutdown(inode))
                return -ESTALE;
 
-       doutc(cl, "fl_file: %p\n", fl->fl_file);
+       doutc(cl, "fl_file: %p\n", fl->c.flc_file);
 
        spin_lock(&ci->i_ceph_lock);
        if (ci->i_ceph_flags & CEPH_I_ERROR_FILELOCK) {
@@ -357,7 +357,7 @@ int ceph_flock(struct file *file, int cmd, struct file_lock *fl)
 
        err = ceph_lock_message(CEPH_LOCK_FLOCK, CEPH_MDS_OP_SETFILELOCK,
                                inode, lock_cmd, wait, fl);
-       if (!err && F_UNLCK != fl->fl_type) {
+       if (!err && F_UNLCK != fl->c.flc_type) {
                err = locks_lock_file_wait(file, fl);
                if (err) {
                        ceph_lock_message(CEPH_LOCK_FLOCK,
@@ -409,10 +409,10 @@ static int lock_to_ceph_filelock(struct inode *inode,
        cephlock->start = cpu_to_le64(lock->fl_start);
        cephlock->length = cpu_to_le64(lock->fl_end - lock->fl_start + 1);
        cephlock->client = cpu_to_le64(0);
-       cephlock->pid = cpu_to_le64((u64)lock->fl_pid);
-       cephlock->owner = cpu_to_le64(secure_addr(lock->fl_owner));
+       cephlock->pid = cpu_to_le64((u64) lock->c.flc_pid);
+       cephlock->owner = cpu_to_le64(secure_addr(lock->c.flc_owner));
 
-       switch (lock->fl_type) {
+       switch (lock->c.flc_type) {
        case F_RDLCK:
                cephlock->type = CEPH_LOCK_SHARED;
                break;
@@ -423,7 +423,8 @@ static int lock_to_ceph_filelock(struct inode *inode,
                cephlock->type = CEPH_LOCK_UNLOCK;
                break;
        default:
-               doutc(cl, "Have unknown lock type %d\n", lock->fl_type);
+               doutc(cl, "Have unknown lock type %d\n",
+                     lock->c.flc_type);
                err = -EINVAL;
        }