diff options
Diffstat (limited to 'fs/ceph')
-rw-r--r-- | fs/ceph/caps.c | 8 | ||||
-rw-r--r-- | fs/ceph/file.c | 8 | ||||
-rw-r--r-- | fs/ceph/locks.c | 74 | ||||
-rw-r--r-- | fs/ceph/super.c | 18 |
4 files changed, 60 insertions, 48 deletions
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c index e8d8e3e633..c4941ba245 100644 --- a/fs/ceph/caps.c +++ b/fs/ceph/caps.c @@ -4634,6 +4634,14 @@ unsigned long ceph_check_delayed_caps(struct ceph_mds_client *mdsc) iput(inode); spin_lock(&mdsc->cap_delay_lock); } + + /* + * Make sure too many dirty caps or general + * slowness doesn't block mdsc delayed work, + * preventing send_renew_caps() from running. + */ + if (jiffies - loop_start >= 5 * HZ) + break; } spin_unlock(&mdsc->cap_delay_lock); doutc(cl, "done\n"); diff --git a/fs/ceph/file.c b/fs/ceph/file.c index 3d1cd079db..16873d0769 100644 --- a/fs/ceph/file.c +++ b/fs/ceph/file.c @@ -2129,14 +2129,16 @@ again: int statret; struct page *page = NULL; loff_t i_size; + int mask = CEPH_STAT_CAP_SIZE; if (retry_op == READ_INLINE) { page = __page_cache_alloc(GFP_KERNEL); if (!page) return -ENOMEM; + + mask = CEPH_STAT_CAP_INLINE_DATA; } - statret = __ceph_do_getattr(inode, page, - CEPH_STAT_CAP_INLINE_DATA, !!page); + statret = __ceph_do_getattr(inode, page, mask, !!page); if (statret < 0) { if (page) __free_page(page); @@ -2177,7 +2179,7 @@ again: /* hit EOF or hole? */ if (retry_op == CHECK_EOF && iocb->ki_pos < i_size && ret < len) { - doutc(cl, "hit hole, ppos %lld < size %lld, reading more\n", + doutc(cl, "may hit hole, ppos %lld < size %lld, reading more\n", iocb->ki_pos, i_size); read += ret; diff --git a/fs/ceph/locks.c b/fs/ceph/locks.c index e07ad29ff8..ebf4ac0055 100644 --- a/fs/ceph/locks.c +++ b/fs/ceph/locks.c @@ -33,7 +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); } @@ -110,17 +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; @@ -130,13 +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) + @@ -150,8 +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; } @@ -227,10 +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; @@ -253,13 +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)) @@ -273,19 +274,19 @@ int ceph_lock(struct file *file, int cmd, struct file_lock *fl) } spin_unlock(&ci->i_ceph_lock); if (err < 0) { - if (op == CEPH_MDS_OP_SETFILELOCK && F_UNLCK == fl->fl_type) + if (op == CEPH_MDS_OP_SETFILELOCK && lock_is_unlock(fl)) posix_lock_file(file, fl, NULL); return err; } - if (F_RDLCK == fl->fl_type) + if (lock_is_read(fl)) lock_cmd = CEPH_LOCK_SHARED; - else if (F_WRLCK == fl->fl_type) + else if (lock_is_write(fl)) lock_cmd = CEPH_LOCK_EXCL; else lock_cmd = CEPH_LOCK_UNLOCK; - if (op == CEPH_MDS_OP_SETFILELOCK && F_UNLCK == fl->fl_type) { + if (op == CEPH_MDS_OP_SETFILELOCK && lock_is_unlock(fl)) { err = try_unlock_file(file, fl); if (err <= 0) return err; @@ -293,7 +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) { @@ -319,13 +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) { @@ -333,7 +334,7 @@ int ceph_flock(struct file *file, int cmd, struct file_lock *fl) } spin_unlock(&ci->i_ceph_lock); if (err < 0) { - if (F_UNLCK == fl->fl_type) + if (lock_is_unlock(fl)) locks_lock_file_wait(file, fl); return err; } @@ -341,14 +342,14 @@ int ceph_flock(struct file *file, int cmd, struct file_lock *fl) if (IS_SETLKW(cmd)) wait = 1; - if (F_RDLCK == fl->fl_type) + if (lock_is_read(fl)) lock_cmd = CEPH_LOCK_SHARED; - else if (F_WRLCK == fl->fl_type) + else if (lock_is_write(fl)) lock_cmd = CEPH_LOCK_EXCL; else lock_cmd = CEPH_LOCK_UNLOCK; - if (F_UNLCK == fl->fl_type) { + if (lock_is_unlock(fl)) { err = try_unlock_file(file, fl); if (err <= 0) return err; @@ -356,7 +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, @@ -385,9 +386,9 @@ void ceph_count_locks(struct inode *inode, int *fcntl_count, int *flock_count) ctx = locks_inode_context(inode); if (ctx) { spin_lock(&ctx->flc_lock); - list_for_each_entry(lock, &ctx->flc_posix, fl_list) + for_each_file_lock(lock, &ctx->flc_posix) ++(*fcntl_count); - list_for_each_entry(lock, &ctx->flc_flock, fl_list) + for_each_file_lock(lock, &ctx->flc_flock) ++(*flock_count); spin_unlock(&ctx->flc_lock); } @@ -408,10 +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; @@ -422,7 +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; } @@ -453,7 +455,7 @@ int ceph_encode_locks_to_buffer(struct inode *inode, return 0; spin_lock(&ctx->flc_lock); - list_for_each_entry(lock, &ctx->flc_posix, fl_list) { + for_each_file_lock(lock, &ctx->flc_posix) { ++seen_fcntl; if (seen_fcntl > num_fcntl_locks) { err = -ENOSPC; @@ -464,7 +466,7 @@ int ceph_encode_locks_to_buffer(struct inode *inode, goto fail; ++l; } - list_for_each_entry(lock, &ctx->flc_flock, fl_list) { + for_each_file_lock(lock, &ctx->flc_flock) { ++seen_flock; if (seen_flock > num_flock_locks) { err = -ENOSPC; diff --git a/fs/ceph/super.c b/fs/ceph/super.c index 5ec102f6b1..885cb5d4e7 100644 --- a/fs/ceph/super.c +++ b/fs/ceph/super.c @@ -928,36 +928,36 @@ static int __init init_caches(void) ceph_inode_cachep = kmem_cache_create("ceph_inode_info", sizeof(struct ceph_inode_info), __alignof__(struct ceph_inode_info), - SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD| - SLAB_ACCOUNT, ceph_inode_init_once); + SLAB_RECLAIM_ACCOUNT | SLAB_ACCOUNT, + ceph_inode_init_once); if (!ceph_inode_cachep) return -ENOMEM; - ceph_cap_cachep = KMEM_CACHE(ceph_cap, SLAB_MEM_SPREAD); + ceph_cap_cachep = KMEM_CACHE(ceph_cap, 0); if (!ceph_cap_cachep) goto bad_cap; - ceph_cap_snap_cachep = KMEM_CACHE(ceph_cap_snap, SLAB_MEM_SPREAD); + ceph_cap_snap_cachep = KMEM_CACHE(ceph_cap_snap, 0); if (!ceph_cap_snap_cachep) goto bad_cap_snap; ceph_cap_flush_cachep = KMEM_CACHE(ceph_cap_flush, - SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD); + SLAB_RECLAIM_ACCOUNT); if (!ceph_cap_flush_cachep) goto bad_cap_flush; ceph_dentry_cachep = KMEM_CACHE(ceph_dentry_info, - SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD); + SLAB_RECLAIM_ACCOUNT); if (!ceph_dentry_cachep) goto bad_dentry; - ceph_file_cachep = KMEM_CACHE(ceph_file_info, SLAB_MEM_SPREAD); + ceph_file_cachep = KMEM_CACHE(ceph_file_info, 0); if (!ceph_file_cachep) goto bad_file; - ceph_dir_file_cachep = KMEM_CACHE(ceph_dir_file_info, SLAB_MEM_SPREAD); + ceph_dir_file_cachep = KMEM_CACHE(ceph_dir_file_info, 0); if (!ceph_dir_file_cachep) goto bad_dir_file; - ceph_mds_request_cachep = KMEM_CACHE(ceph_mds_request, SLAB_MEM_SPREAD); + ceph_mds_request_cachep = KMEM_CACHE(ceph_mds_request, 0); if (!ceph_mds_request_cachep) goto bad_mds_req; |