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-rw-r--r--fs/ceph/super.h21
1 files changed, 18 insertions, 3 deletions
diff --git a/fs/ceph/super.h b/fs/ceph/super.h
index f02a2225fe42..2beeec07fa76 100644
--- a/fs/ceph/super.h
+++ b/fs/ceph/super.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _FS_CEPH_SUPER_H
#define _FS_CEPH_SUPER_H
@@ -46,12 +47,25 @@
#define ceph_test_mount_opt(fsc, opt) \
(!!((fsc)->mount_options->flags & CEPH_MOUNT_OPT_##opt))
-#define CEPH_RSIZE_DEFAULT (64*1024*1024) /* max read size */
+/* max size of osd read request, limited by libceph */
+#define CEPH_MAX_READ_SIZE CEPH_MSG_MAX_DATA_LEN
+/* osd has a configurable limitaion of max write size.
+ * CEPH_MSG_MAX_DATA_LEN should be small enough. */
+#define CEPH_MAX_WRITE_SIZE CEPH_MSG_MAX_DATA_LEN
#define CEPH_RASIZE_DEFAULT (8192*1024) /* max readahead */
#define CEPH_MAX_READDIR_DEFAULT 1024
#define CEPH_MAX_READDIR_BYTES_DEFAULT (512*1024)
#define CEPH_SNAPDIRNAME_DEFAULT ".snap"
+/*
+ * Delay telling the MDS we no longer want caps, in case we reopen
+ * the file. Delay a minimum amount of time, even if we send a cap
+ * message for some other reason. Otherwise, take the oppotunity to
+ * update the mds to avoid sending another message later.
+ */
+#define CEPH_CAPS_WANTED_DELAY_MIN_DEFAULT 5 /* cap release delay */
+#define CEPH_CAPS_WANTED_DELAY_MAX_DEFAULT 60 /* cap release delay */
+
struct ceph_mount_options {
int flags;
int sb_flags;
@@ -61,7 +75,6 @@ struct ceph_mount_options {
int rasize; /* max readahead */
int congestion_kb; /* max writeback in flight */
int caps_wanted_delay_min, caps_wanted_delay_max;
- int cap_release_safety;
int max_readdir; /* max readdir result (entires) */
int max_readdir_bytes; /* max readdir result (bytes) */
@@ -339,6 +352,7 @@ struct ceph_inode_info {
int i_pin_ref;
int i_rd_ref, i_rdcache_ref, i_wr_ref, i_wb_ref;
int i_wrbuffer_ref, i_wrbuffer_ref_head;
+ atomic_t i_filelock_ref;
u32 i_shared_gen; /* increment each time we get FILE_SHARED */
u32 i_rdcache_gen; /* incremented each time we get FILE_CACHE. */
u32 i_rdcache_revoking; /* RDCACHE gen to async invalidate, if any */
@@ -474,6 +488,8 @@ static inline struct inode *ceph_find_inode(struct super_block *sb,
#define CEPH_I_KICK_FLUSH (1 << 9) /* kick flushing caps */
#define CEPH_I_FLUSH_SNAPS (1 << 10) /* need flush snapss */
#define CEPH_I_ERROR_WRITE (1 << 11) /* have seen write errors */
+#define CEPH_I_ERROR_FILELOCK (1 << 12) /* have seen file lock errors */
+
/*
* We set the ERROR_WRITE bit when we start seeing write errors on an inode
@@ -998,7 +1014,6 @@ extern int ceph_encode_locks_to_buffer(struct inode *inode,
extern int ceph_locks_to_pagelist(struct ceph_filelock *flocks,
struct ceph_pagelist *pagelist,
int num_fcntl_locks, int num_flock_locks);
-extern int lock_to_ceph_filelock(struct file_lock *fl, struct ceph_filelock *c);
/* debugfs.c */
extern int ceph_fs_debugfs_init(struct ceph_fs_client *client);