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-rw-r--r--fs/ceph/super.h76
1 files changed, 49 insertions, 27 deletions
diff --git a/fs/ceph/super.h b/fs/ceph/super.h
index 14f951cd5b61..20ceab74e871 100644
--- a/fs/ceph/super.h
+++ b/fs/ceph/super.h
@@ -17,21 +17,16 @@
#include <linux/posix_acl.h>
#include <linux/refcount.h>
#include <linux/security.h>
-
-#include <linux/ceph/libceph.h>
-
-#ifdef CONFIG_CEPH_FSCACHE
-#define FSCACHE_USE_NEW_IO_API
+#include <linux/netfs.h>
#include <linux/fscache.h>
-#endif
-/* f_type in struct statfs */
-#define CEPH_SUPER_MAGIC 0x00c36400
+#include <linux/ceph/libceph.h>
/* large granularity for statfs utilization stats to facilitate
* large volume sizes on 32-bit machines. */
#define CEPH_BLOCK_SHIFT 22 /* 4 MB */
#define CEPH_BLOCK (1 << CEPH_BLOCK_SHIFT)
+#define CEPH_4K_BLOCK_SHIFT 12 /* 4 KB */
#define CEPH_MOUNT_OPT_CLEANRECOVER (1<<1) /* auto reonnect (clean mode) after blocklisted */
#define CEPH_MOUNT_OPT_DIRSTAT (1<<4) /* `cat dirname` for stats */
@@ -45,10 +40,12 @@
#define CEPH_MOUNT_OPT_NOQUOTADF (1<<13) /* no root dir quota in statfs */
#define CEPH_MOUNT_OPT_NOCOPYFROM (1<<14) /* don't use RADOS 'copy-from' op */
#define CEPH_MOUNT_OPT_ASYNC_DIROPS (1<<15) /* allow async directory ops */
+#define CEPH_MOUNT_OPT_NOPAGECACHE (1<<16) /* bypass pagecache altogether */
#define CEPH_MOUNT_OPT_DEFAULT \
(CEPH_MOUNT_OPT_DCACHE | \
- CEPH_MOUNT_OPT_NOCOPYFROM)
+ CEPH_MOUNT_OPT_NOCOPYFROM | \
+ CEPH_MOUNT_OPT_ASYNC_DIROPS)
#define ceph_set_mount_opt(fsc, opt) \
(fsc)->mount_options->flags |= CEPH_MOUNT_OPT_##opt
@@ -88,6 +85,8 @@ struct ceph_mount_options {
unsigned int max_readdir; /* max readdir result (entries) */
unsigned int max_readdir_bytes; /* max readdir result (bytes) */
+ bool new_dev_syntax;
+
/*
* everything above this point can be memcmp'd; everything below
* is handled in compare_mount_options()
@@ -97,6 +96,7 @@ struct ceph_mount_options {
char *mds_namespace; /* default NULL */
char *server_path; /* default NULL (means "/") */
char *fscache_uniq; /* default NULL */
+ char *mon_addr;
};
struct ceph_fs_client {
@@ -119,6 +119,7 @@ struct ceph_fs_client {
struct ceph_mds_client *mdsc;
atomic_long_t writeback_count;
+ bool write_congested;
struct workqueue_struct *inode_wq;
struct workqueue_struct *cap_wq;
@@ -128,13 +129,13 @@ struct ceph_fs_client {
struct dentry *debugfs_congestion_kb;
struct dentry *debugfs_bdi;
struct dentry *debugfs_mdsc, *debugfs_mdsmap;
- struct dentry *debugfs_metric;
struct dentry *debugfs_status;
struct dentry *debugfs_mds_sessions;
+ struct dentry *debugfs_metrics_dir;
#endif
#ifdef CONFIG_CEPH_FSCACHE
- struct fscache_cookie *fscache;
+ struct fscache_volume *fscache;
#endif
};
@@ -228,7 +229,7 @@ static inline void ceph_put_cap_snap(struct ceph_cap_snap *capsnap)
if (refcount_dec_and_test(&capsnap->nref)) {
if (capsnap->xattr_blob)
ceph_buffer_put(capsnap->xattr_blob);
- kfree(capsnap);
+ kmem_cache_free(ceph_cap_snap_cachep, capsnap);
}
}
@@ -315,6 +316,11 @@ struct ceph_inode_xattrs_info {
* Ceph inode.
*/
struct ceph_inode_info {
+ struct {
+ /* These must be contiguous */
+ struct inode vfs_inode;
+ struct netfs_i_context netfs_ctx; /* Netfslib context */
+ };
struct ceph_vino i_vino; /* ceph ino + snap */
spinlock_t i_ceph_lock;
@@ -425,11 +431,6 @@ struct ceph_inode_info {
struct work_struct i_work;
unsigned long i_work_mask;
-
-#ifdef CONFIG_CEPH_FSCACHE
- struct fscache_cookie *fscache;
-#endif
- struct inode vfs_inode; /* at end */
};
static inline struct ceph_inode_info *
@@ -534,19 +535,23 @@ static inline int ceph_ino_compare(struct inode *inode, void *data)
*
* These come from src/mds/mdstypes.h in the ceph sources.
*/
-#define CEPH_MAX_MDS 0x100
-#define CEPH_NUM_STRAY 10
+#define CEPH_MAX_MDS 0x100
+#define CEPH_NUM_STRAY 10
#define CEPH_MDS_INO_MDSDIR_OFFSET (1 * CEPH_MAX_MDS)
+#define CEPH_MDS_INO_LOG_OFFSET (2 * CEPH_MAX_MDS)
#define CEPH_INO_SYSTEM_BASE ((6*CEPH_MAX_MDS) + (CEPH_MAX_MDS * CEPH_NUM_STRAY))
static inline bool ceph_vino_is_reserved(const struct ceph_vino vino)
{
- if (vino.ino < CEPH_INO_SYSTEM_BASE &&
- vino.ino >= CEPH_MDS_INO_MDSDIR_OFFSET) {
- WARN_RATELIMIT(1, "Attempt to access reserved inode number 0x%llx", vino.ino);
- return true;
- }
- return false;
+ if (vino.ino >= CEPH_INO_SYSTEM_BASE ||
+ vino.ino < CEPH_MDS_INO_MDSDIR_OFFSET)
+ return false;
+
+ /* Don't warn on mdsdirs */
+ WARN_RATELIMIT(vino.ino >= CEPH_MDS_INO_LOG_OFFSET,
+ "Attempt to access reserved inode number 0x%llx",
+ vino.ino);
+ return true;
}
static inline struct inode *ceph_find_inode(struct super_block *sb,
@@ -580,6 +585,7 @@ static inline struct inode *ceph_find_inode(struct super_block *sb,
#define CEPH_I_ODIRECT (1 << 11) /* inode in direct I/O mode */
#define CEPH_ASYNC_CREATE_BIT (12) /* async create in flight for this */
#define CEPH_I_ASYNC_CREATE (1 << CEPH_ASYNC_CREATE_BIT)
+#define CEPH_I_SHUTDOWN (1 << 13) /* inode is no longer usable */
/*
* Masks of ceph inode work.
@@ -876,6 +882,8 @@ struct ceph_snap_realm {
struct list_head dirty_item; /* if realm needs new context */
+ struct list_head rebuild_item; /* rebuild snap realms _downward_ in hierarchy */
+
/* the current set of snaps for this realm */
struct ceph_snap_context *cached_context;
@@ -931,7 +939,7 @@ extern void ceph_handle_snap(struct ceph_mds_client *mdsc,
struct ceph_msg *msg);
extern int __ceph_finish_cap_snap(struct ceph_inode_info *ci,
struct ceph_cap_snap *capsnap);
-extern void ceph_cleanup_empty_realms(struct ceph_mds_client *mdsc);
+extern void ceph_cleanup_global_and_empty_realms(struct ceph_mds_client *mdsc);
extern struct ceph_snapid_map *ceph_get_snapid_map(struct ceph_mds_client *mdsc,
u64 snap);
@@ -939,6 +947,7 @@ extern void ceph_put_snapid_map(struct ceph_mds_client* mdsc,
struct ceph_snapid_map *sm);
extern void ceph_trim_snapid_map(struct ceph_mds_client *mdsc);
extern void ceph_cleanup_snapid_map(struct ceph_mds_client *mdsc);
+void ceph_umount_begin(struct super_block *sb);
/*
@@ -1027,9 +1036,20 @@ extern int ceph_setattr(struct user_namespace *mnt_userns,
extern int ceph_getattr(struct user_namespace *mnt_userns,
const struct path *path, struct kstat *stat,
u32 request_mask, unsigned int flags);
+void ceph_inode_shutdown(struct inode *inode);
+
+static inline bool ceph_inode_is_shutdown(struct inode *inode)
+{
+ unsigned long flags = READ_ONCE(ceph_inode(inode)->i_ceph_flags);
+ struct ceph_fs_client *fsc = ceph_inode_to_client(inode);
+ int state = READ_ONCE(fsc->mount_state);
+
+ return (flags & CEPH_I_SHUTDOWN) || state >= CEPH_MOUNT_SHUTDOWN;
+}
/* xattr.c */
int __ceph_setxattr(struct inode *, const char *, const void *, size_t, int);
+int ceph_do_getvxattr(struct inode *inode, const char *name, void *value, size_t size);
ssize_t __ceph_getxattr(struct inode *, const char *, void *, size_t);
extern ssize_t ceph_listxattr(struct dentry *, char *, size_t);
extern struct ceph_buffer *__ceph_build_xattrs_blob(struct ceph_inode_info *ci);
@@ -1194,10 +1214,12 @@ extern void __ceph_touch_fmode(struct ceph_inode_info *ci,
/* addr.c */
extern const struct address_space_operations ceph_aops;
+extern const struct netfs_request_ops ceph_netfs_ops;
extern int ceph_mmap(struct file *file, struct vm_area_struct *vma);
-extern int ceph_uninline_data(struct file *filp, struct page *locked_page);
+extern int ceph_uninline_data(struct file *file);
extern int ceph_pool_perm_check(struct inode *inode, int need);
extern void ceph_pool_perm_destroy(struct ceph_mds_client* mdsc);
+int ceph_purge_inode_cap(struct inode *inode, struct ceph_cap *cap, bool *invalidate);
/* file.c */
extern const struct file_operations ceph_file_fops;
generated by cgit v1.2.3 (git 2.39.0) at 2024-10-15 12:07:58 +0300