From 6778948f9de86c3cfaf36725a7c87dcff9ba247f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 08:20:59 +0000
Subject: [PATCH] kernel_5.10 no rt
---
kernel/fs/ceph/super.h | 417 ++++++++++++++++++++++++++++++++++++++++-------------------
1 files changed, 281 insertions(+), 136 deletions(-)
diff --git a/kernel/fs/ceph/super.h b/kernel/fs/ceph/super.h
index 65da12f..4db305f 100644
--- a/kernel/fs/ceph/super.h
+++ b/kernel/fs/ceph/super.h
@@ -16,6 +16,7 @@
#include <linux/slab.h>
#include <linux/posix_acl.h>
#include <linux/refcount.h>
+#include <linux/security.h>
#include <linux/ceph/libceph.h>
@@ -31,6 +32,7 @@
#define CEPH_BLOCK_SHIFT 22 /* 4 MB */
#define CEPH_BLOCK (1 << CEPH_BLOCK_SHIFT)
+#define CEPH_MOUNT_OPT_CLEANRECOVER (1<<1) /* auto reonnect (clean mode) after blocklisted */
#define CEPH_MOUNT_OPT_DIRSTAT (1<<4) /* `cat dirname` for stats */
#define CEPH_MOUNT_OPT_RBYTES (1<<5) /* dir st_bytes = rbytes */
#define CEPH_MOUNT_OPT_NOASYNCREADDIR (1<<7) /* no dcache readdir */
@@ -40,11 +42,17 @@
#define CEPH_MOUNT_OPT_NOPOOLPERM (1<<11) /* no pool permission check */
#define CEPH_MOUNT_OPT_MOUNTWAIT (1<<12) /* mount waits if no mds is up */
#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_DEFAULT CEPH_MOUNT_OPT_DCACHE
+#define CEPH_MOUNT_OPT_DEFAULT \
+ (CEPH_MOUNT_OPT_DCACHE | \
+ CEPH_MOUNT_OPT_NOCOPYFROM)
#define ceph_set_mount_opt(fsc, opt) \
- (fsc)->mount_options->flags |= CEPH_MOUNT_OPT_##opt;
+ (fsc)->mount_options->flags |= CEPH_MOUNT_OPT_##opt
+#define ceph_clear_mount_opt(fsc, opt) \
+ (fsc)->mount_options->flags &= ~CEPH_MOUNT_OPT_##opt
#define ceph_test_mount_opt(fsc, opt) \
(!!((fsc)->mount_options->flags & CEPH_MOUNT_OPT_##opt))
@@ -68,16 +76,16 @@
#define CEPH_CAPS_WANTED_DELAY_MAX_DEFAULT 60 /* cap release delay */
struct ceph_mount_options {
- int flags;
- int sb_flags;
+ unsigned int flags;
- int wsize; /* max write size */
- int rsize; /* max read size */
- int rasize; /* max readahead */
- int congestion_kb; /* max writeback in flight */
- int caps_wanted_delay_min, caps_wanted_delay_max;
- int max_readdir; /* max readdir result (entires) */
- int max_readdir_bytes; /* max readdir result (bytes) */
+ unsigned int wsize; /* max write size */
+ unsigned int rsize; /* max read size */
+ unsigned int rasize; /* max readahead */
+ unsigned int congestion_kb; /* max writeback in flight */
+ unsigned int caps_wanted_delay_min, caps_wanted_delay_max;
+ int caps_max;
+ unsigned int max_readdir; /* max readdir result (entries) */
+ unsigned int max_readdir_bytes; /* max readdir result (bytes) */
/*
* everything above this point can be memcmp'd; everything below
@@ -93,27 +101,34 @@
struct ceph_fs_client {
struct super_block *sb;
+ struct list_head metric_wakeup;
+
struct ceph_mount_options *mount_options;
struct ceph_client *client;
unsigned long mount_state;
- int min_caps; /* min caps i added */
+
+ unsigned long last_auto_reconnect;
+ bool blocklisted;
+
+ bool have_copy_from2;
+
+ u32 filp_gen;
loff_t max_file_size;
struct ceph_mds_client *mdsc;
- /* writeback */
- mempool_t *wb_pagevec_pool;
- struct workqueue_struct *wb_wq;
- struct workqueue_struct *pg_inv_wq;
- struct workqueue_struct *trunc_wq;
atomic_long_t writeback_count;
+
+ struct workqueue_struct *inode_wq;
+ struct workqueue_struct *cap_wq;
#ifdef CONFIG_DEBUG_FS
struct dentry *debugfs_dentry_lru, *debugfs_caps;
struct dentry *debugfs_congestion_kb;
struct dentry *debugfs_bdi;
struct dentry *debugfs_mdsc, *debugfs_mdsmap;
+ struct dentry *debugfs_metric;
struct dentry *debugfs_mds_sessions;
#endif
@@ -145,7 +160,8 @@
int issued; /* latest, from the mds */
int implemented; /* implemented superset of
issued (for revocation) */
- int mds, mds_wanted;
+ int mds; /* mds index for this cap */
+ int mds_wanted; /* caps wanted from this mds */
};
/* caps to release */
struct {
@@ -159,14 +175,15 @@
struct list_head caps_item;
};
-#define CHECK_CAPS_NODELAY 1 /* do not delay any further */
-#define CHECK_CAPS_AUTHONLY 2 /* only check auth cap */
-#define CHECK_CAPS_FLUSH 4 /* flush any dirty caps */
+#define CHECK_CAPS_AUTHONLY 1 /* only check auth cap */
+#define CHECK_CAPS_FLUSH 2 /* flush any dirty caps */
+#define CHECK_CAPS_NOINVAL 4 /* don't invalidate pagecache */
struct ceph_cap_flush {
u64 tid;
- int caps; /* 0 means capsnap */
+ int caps;
bool wake; /* wake up flush waiters when finish ? */
+ bool is_capsnap; /* true means capsnap */
struct list_head g_list; // global
struct list_head i_list; // per inode
};
@@ -194,7 +211,8 @@
u64 xattr_version;
u64 size;
- struct timespec64 mtime, atime, ctime;
+ u64 change_attr;
+ struct timespec64 mtime, atime, ctime, btime;
u64 time_warp_seq;
u64 truncate_size;
u32 truncate_seq;
@@ -257,16 +275,22 @@
* Ceph dentry state
*/
struct ceph_dentry_info {
+ struct dentry *dentry;
struct ceph_mds_session *lease_session;
+ struct list_head lease_list;
+ unsigned flags;
int lease_shared_gen;
u32 lease_gen;
u32 lease_seq;
unsigned long lease_renew_after, lease_renew_from;
- struct list_head lru;
- struct dentry *dentry;
unsigned long time;
u64 offset;
};
+
+#define CEPH_DENTRY_REFERENCED 1
+#define CEPH_DENTRY_LEASE_LIST 2
+#define CEPH_DENTRY_SHRINK_LIST 4
+#define CEPH_DENTRY_PRIMARY_LINK 8
struct ceph_inode_xattrs_info {
/*
@@ -298,13 +322,14 @@
u64 i_inline_version;
u32 i_time_warp_seq;
- unsigned i_ceph_flags;
+ unsigned long i_ceph_flags;
atomic64_t i_release_count;
atomic64_t i_ordered_count;
atomic64_t i_complete_seq[2];
struct ceph_dir_layout i_dir_layout;
struct ceph_file_layout i_layout;
+ struct ceph_file_layout i_cached_layout; // for async creates
char *i_symlink;
/* for dirs */
@@ -314,6 +339,8 @@
/* quotas */
u64 i_max_bytes, i_max_files;
+
+ s32 i_dir_pin;
struct rb_root i_fragtree;
int i_fragtree_nsplits;
@@ -326,14 +353,31 @@
struct rb_root i_caps; /* cap list */
struct ceph_cap *i_auth_cap; /* authoritative cap, if any */
unsigned i_dirty_caps, i_flushing_caps; /* mask of dirtied fields */
- struct list_head i_dirty_item, i_flushing_item;
+
+ /*
+ * Link to the auth cap's session's s_cap_dirty list. s_cap_dirty
+ * is protected by the mdsc->cap_dirty_lock, but each individual item
+ * is also protected by the inode's i_ceph_lock. Walking s_cap_dirty
+ * requires the mdsc->cap_dirty_lock. List presence for an item can
+ * be tested under the i_ceph_lock. Changing anything requires both.
+ */
+ struct list_head i_dirty_item;
+
+ /*
+ * Link to session's s_cap_flushing list. Protected in a similar
+ * fashion to i_dirty_item, but also by the s_mutex for changes. The
+ * s_cap_flushing list can be walked while holding either the s_mutex
+ * or msdc->cap_dirty_lock. List presence can also be checked while
+ * holding the i_ceph_lock for this inode.
+ */
+ struct list_head i_flushing_item;
+
/* we need to track cap writeback on a per-cap-bit basis, to allow
* overlapping, pipelined cap flushes to the mds. we can probably
* reduce the tid to 8 bits if we're concerned about inode size. */
struct ceph_cap_flush *i_prealloc_cap_flush;
struct list_head i_cap_flush_list;
wait_queue_head_t i_cap_wq; /* threads waiting on a capability */
- unsigned long i_hold_caps_min; /* jiffies */
unsigned long i_hold_caps_max; /* jiffies */
struct list_head i_cap_delay_list; /* for delayed cap release to mds */
struct ceph_cap_reservation i_cap_migration_resv;
@@ -342,6 +386,8 @@
dirty|flushing caps */
unsigned i_snap_caps; /* cap bits for snapped files */
+ unsigned long i_last_rd;
+ unsigned long i_last_wr;
int i_nr_by_mode[CEPH_FILE_MODE_BITS]; /* open file counts */
struct mutex i_truncate_mutex;
@@ -356,7 +402,7 @@
/* held references to caps */
int i_pin_ref;
- int i_rd_ref, i_rdcache_ref, i_wr_ref, i_wb_ref;
+ int i_rd_ref, i_rdcache_ref, i_wr_ref, i_wb_ref, i_fx_ref;
int i_wrbuffer_ref, i_wrbuffer_ref_head;
atomic_t i_filelock_ref;
atomic_t i_shared_gen; /* increment each time we get FILE_SHARED */
@@ -367,15 +413,18 @@
struct list_head i_unsafe_iops; /* uncommitted mds inode ops */
spinlock_t i_unsafe_lock;
- struct ceph_snap_realm *i_snap_realm; /* snap realm (if caps) */
+ union {
+ struct ceph_snap_realm *i_snap_realm; /* snap realm (if caps) */
+ struct ceph_snapid_map *i_snapid_map; /* snapid -> dev_t */
+ };
int i_snap_realm_counter; /* snap realm (if caps) */
struct list_head i_snap_realm_item;
struct list_head i_snap_flush_item;
+ struct timespec64 i_btime;
+ struct timespec64 i_snap_btime;
- struct work_struct i_wb_work; /* writeback work */
- struct work_struct i_pg_inv_work; /* page invalidation work */
-
- struct work_struct i_vmtruncate_work;
+ struct work_struct i_work;
+ unsigned long i_work_mask;
#ifdef CONFIG_CEPH_FSCACHE
struct fscache_cookie *fscache;
@@ -384,35 +433,37 @@
struct inode vfs_inode; /* at end */
};
-static inline struct ceph_inode_info *ceph_inode(struct inode *inode)
+static inline struct ceph_inode_info *
+ceph_inode(const struct inode *inode)
{
return container_of(inode, struct ceph_inode_info, vfs_inode);
}
-static inline struct ceph_fs_client *ceph_inode_to_client(struct inode *inode)
+static inline struct ceph_fs_client *
+ceph_inode_to_client(const struct inode *inode)
{
return (struct ceph_fs_client *)inode->i_sb->s_fs_info;
}
-static inline struct ceph_fs_client *ceph_sb_to_client(struct super_block *sb)
+static inline struct ceph_fs_client *
+ceph_sb_to_client(const struct super_block *sb)
{
return (struct ceph_fs_client *)sb->s_fs_info;
}
-static inline struct ceph_vino ceph_vino(struct inode *inode)
+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)
{
return ceph_inode(inode)->i_vino;
}
-/*
- * ino_t is <64 bits on many architectures, blech.
- *
- * i_ino (kernel inode) st_ino (userspace)
- * i386 32 32
- * x86_64+ino32 64 32
- * x86_64 64 64
- */
-static inline u32 ceph_ino_to_ino32(__u64 vino)
+static inline u32 ceph_ino_to_ino32(u64 vino)
{
u32 ino = vino & 0xffffffff;
ino ^= vino >> 32;
@@ -422,34 +473,17 @@
}
/*
- * kernel i_ino value
+ * Inode numbers in cephfs are 64 bits, but inode->i_ino is 32-bits on
+ * some arches. We generally do not use this value inside the ceph driver, but
+ * we do want to set it to something, so that generic vfs code has an
+ * appropriate value for tracepoints and the like.
*/
-static inline ino_t ceph_vino_to_ino(struct ceph_vino vino)
+static inline ino_t ceph_vino_to_ino_t(struct ceph_vino vino)
{
-#if BITS_PER_LONG == 32
- return ceph_ino_to_ino32(vino.ino);
-#else
+ if (sizeof(ino_t) == sizeof(u32))
+ return ceph_ino_to_ino32(vino.ino);
return (ino_t)vino.ino;
-#endif
}
-
-/*
- * user-visible ino (stat, filldir)
- */
-#if BITS_PER_LONG == 32
-static inline ino_t ceph_translate_ino(struct super_block *sb, ino_t ino)
-{
- return ino;
-}
-#else
-static inline ino_t ceph_translate_ino(struct super_block *sb, ino_t ino)
-{
- if (ceph_test_mount_opt(ceph_sb_to_client(sb), INO32))
- ino = ceph_ino_to_ino32(ino);
- return ino;
-}
-#endif
-
/* for printf-style formatting */
#define ceph_vinop(i) ceph_inode(i)->i_vino.ino, ceph_inode(i)->i_vino.snap
@@ -458,9 +492,32 @@
{
return ceph_inode(inode)->i_vino.ino;
}
+
static inline u64 ceph_snap(struct inode *inode)
{
return ceph_inode(inode)->i_vino.snap;
+}
+
+/**
+ * ceph_present_ino - format an inode number for presentation to userland
+ * @sb: superblock where the inode lives
+ * @ino: inode number to (possibly) convert
+ *
+ * If the user mounted with the ino32 option, then the 64-bit value needs
+ * to be converted to something that can fit inside 32 bits. Note that
+ * internal kernel code never uses this value, so this is entirely for
+ * userland consumption.
+ */
+static inline u64 ceph_present_ino(struct super_block *sb, u64 ino)
+{
+ if (unlikely(ceph_test_mount_opt(ceph_sb_to_client(sb), INO32)))
+ return ceph_ino_to_ino32(ino);
+ return ino;
+}
+
+static inline u64 ceph_present_inode(struct inode *inode)
+{
+ return ceph_present_ino(inode->i_sb, ceph_ino(inode));
}
static inline int ceph_ino_compare(struct inode *inode, void *data)
@@ -471,11 +528,40 @@
ci->i_vino.snap == pvino->snap;
}
+/*
+ * The MDS reserves a set of inodes for its own usage. These should never
+ * be accessible by clients, and so the MDS has no reason to ever hand these
+ * out. The range is CEPH_MDS_INO_MDSDIR_OFFSET..CEPH_INO_SYSTEM_BASE.
+ *
+ * These come from src/mds/mdstypes.h in the ceph sources.
+ */
+#define CEPH_MAX_MDS 0x100
+#define CEPH_NUM_STRAY 10
+#define CEPH_MDS_INO_MDSDIR_OFFSET (1 * 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;
+}
+
static inline struct inode *ceph_find_inode(struct super_block *sb,
struct ceph_vino vino)
{
- ino_t t = ceph_vino_to_ino(vino);
- return ilookup5(sb, t, ceph_ino_compare, &vino);
+ if (ceph_vino_is_reserved(vino))
+ return NULL;
+
+ /*
+ * NB: The hashval will be run through the fs/inode.c hash function
+ * anyway, so there is no need to squash the inode number down to
+ * 32-bits first. Just use low-order bits on arches with 32-bit long.
+ */
+ return ilookup5(sb, (unsigned long)vino.ino, ceph_ino_compare, &vino);
}
@@ -483,19 +569,25 @@
* Ceph inode.
*/
#define CEPH_I_DIR_ORDERED (1 << 0) /* dentries in dir are ordered */
-#define CEPH_I_NODELAY (1 << 1) /* do not delay cap release */
#define CEPH_I_FLUSH (1 << 2) /* do not delay flush of dirty metadata */
-#define CEPH_I_NOFLUSH (1 << 3) /* do not flush dirty caps */
-#define CEPH_I_POOL_PERM (1 << 4) /* pool rd/wr bits are valid */
-#define CEPH_I_POOL_RD (1 << 5) /* can read from pool */
-#define CEPH_I_POOL_WR (1 << 6) /* can write to pool */
-#define CEPH_I_SEC_INITED (1 << 7) /* security initialized */
-#define CEPH_I_CAP_DROPPED (1 << 8) /* caps were forcibly dropped */
-#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 */
+#define CEPH_I_POOL_PERM (1 << 3) /* pool rd/wr bits are valid */
+#define CEPH_I_POOL_RD (1 << 4) /* can read from pool */
+#define CEPH_I_POOL_WR (1 << 5) /* can write to pool */
+#define CEPH_I_SEC_INITED (1 << 6) /* security initialized */
+#define CEPH_I_KICK_FLUSH (1 << 7) /* kick flushing caps */
+#define CEPH_I_FLUSH_SNAPS (1 << 8) /* need flush snapss */
+#define CEPH_I_ERROR_WRITE (1 << 9) /* have seen write errors */
+#define CEPH_I_ERROR_FILELOCK (1 << 10) /* have seen file lock errors */
+#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)
+/*
+ * Masks of ceph inode work.
+ */
+#define CEPH_I_WORK_WRITEBACK 0 /* writeback */
+#define CEPH_I_WORK_INVALIDATE_PAGES 1 /* invalidate pages */
+#define CEPH_I_WORK_VMTRUNCATE 2 /* vmtruncate */
/*
* We set the ERROR_WRITE bit when we start seeing write errors on an inode
@@ -589,7 +681,7 @@
struct ceph_inode_frag *pfrag,
int *found);
-static inline struct ceph_dentry_info *ceph_dentry(struct dentry *dentry)
+static inline struct ceph_dentry_info *ceph_dentry(const struct dentry *dentry)
{
return (struct ceph_dentry_info *)dentry->d_fsdata;
}
@@ -604,6 +696,8 @@
extern int __ceph_caps_issued(struct ceph_inode_info *ci, int *implemented);
extern int __ceph_caps_issued_mask(struct ceph_inode_info *ci, int mask, int t);
+extern int __ceph_caps_issued_mask_metric(struct ceph_inode_info *ci, int mask,
+ int t);
extern int __ceph_caps_issued_other(struct ceph_inode_info *ci,
struct ceph_cap *cap);
@@ -616,12 +710,12 @@
return issued;
}
-static inline int ceph_caps_issued_mask(struct ceph_inode_info *ci, int mask,
- int touch)
+static inline int ceph_caps_issued_mask_metric(struct ceph_inode_info *ci,
+ int mask, int touch)
{
int r;
spin_lock(&ci->i_ceph_lock);
- r = __ceph_caps_issued_mask(ci, mask, touch);
+ r = __ceph_caps_issued_mask_metric(ci, mask, touch);
spin_unlock(&ci->i_ceph_lock);
return r;
}
@@ -640,25 +734,20 @@
extern int ceph_caps_revoking(struct ceph_inode_info *ci, int mask);
extern int __ceph_caps_used(struct ceph_inode_info *ci);
-extern int __ceph_caps_file_wanted(struct ceph_inode_info *ci);
-
-/*
- * wanted, by virtue of open file modes AND cap refs (buffered/cached data)
- */
-static inline int __ceph_caps_wanted(struct ceph_inode_info *ci)
+static inline bool __ceph_is_file_opened(struct ceph_inode_info *ci)
{
- int w = __ceph_caps_file_wanted(ci) | __ceph_caps_used(ci);
- if (w & CEPH_CAP_FILE_BUFFER)
- w |= CEPH_CAP_FILE_EXCL; /* we want EXCL if dirty data */
- return w;
+ return ci->i_nr_by_mode[0];
}
+extern int __ceph_caps_file_wanted(struct ceph_inode_info *ci);
+extern int __ceph_caps_wanted(struct ceph_inode_info *ci);
/* what the mds thinks we want */
extern int __ceph_caps_mds_wanted(struct ceph_inode_info *ci, bool check);
extern void ceph_caps_init(struct ceph_mds_client *mdsc);
extern void ceph_caps_finalize(struct ceph_mds_client *mdsc);
-extern void ceph_adjust_min_caps(struct ceph_mds_client *mdsc, int delta);
+extern void ceph_adjust_caps_max_min(struct ceph_mds_client *mdsc,
+ struct ceph_mount_options *fsopt);
extern int ceph_reserve_caps(struct ceph_mds_client *mdsc,
struct ceph_cap_reservation *ctx, int need);
extern void ceph_unreserve_caps(struct ceph_mds_client *mdsc,
@@ -681,6 +770,9 @@
spinlock_t rw_contexts_lock;
struct list_head rw_contexts;
+
+ u32 filp_gen;
+ atomic_t num_locks;
};
struct ceph_dir_file_info {
@@ -812,7 +904,7 @@
* This allows larger machines to have larger/more transfers.
* Limit the default to 256M
*/
- congestion_kb = (16*int_sqrt(totalram_pages)) << (PAGE_SHIFT-10);
+ congestion_kb = (16*int_sqrt(totalram_pages())) << (PAGE_SHIFT-10);
if (congestion_kb > 256*1024)
congestion_kb = 256*1024;
@@ -820,7 +912,8 @@
}
-
+/* super.c */
+extern int ceph_force_reconnect(struct super_block *sb);
/* snap.c */
struct ceph_snap_realm *ceph_lookup_snap_realm(struct ceph_mds_client *mdsc,
u64 ino);
@@ -839,6 +932,14 @@
struct ceph_cap_snap *capsnap);
extern void ceph_cleanup_empty_realms(struct ceph_mds_client *mdsc);
+extern struct ceph_snapid_map *ceph_get_snapid_map(struct ceph_mds_client *mdsc,
+ u64 snap);
+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);
+
+
/*
* a cap_snap is "pending" if it is still awaiting an in-progress
* sync write (that may/may not still update size, mtime, etc.).
@@ -851,12 +952,14 @@
}
/* inode.c */
+struct ceph_mds_reply_info_in;
+struct ceph_mds_reply_dirfrag;
+
extern const struct inode_operations ceph_file_iops;
extern struct inode *ceph_alloc_inode(struct super_block *sb);
extern void ceph_evict_inode(struct inode *inode);
-extern void ceph_destroy_inode(struct inode *inode);
-extern int ceph_drop_inode(struct inode *inode);
+extern void ceph_free_inode(struct inode *inode);
extern struct inode *ceph_get_inode(struct super_block *sb,
struct ceph_vino vino);
@@ -867,6 +970,11 @@
u64 time_warp_seq, struct timespec64 *ctime,
struct timespec64 *mtime,
struct timespec64 *atime);
+extern int ceph_fill_inode(struct inode *inode, struct page *locked_page,
+ struct ceph_mds_reply_info_in *iinfo,
+ struct ceph_mds_reply_dirfrag *dirinfo,
+ struct ceph_mds_session *session, int cap_fmode,
+ struct ceph_cap_reservation *caps_reservation);
extern int ceph_fill_trace(struct super_block *sb,
struct ceph_mds_request *req);
extern int ceph_readdir_prepopulate(struct ceph_mds_request *req,
@@ -877,9 +985,9 @@
extern bool ceph_inode_set_size(struct inode *inode, loff_t size);
extern void __ceph_do_pending_vmtruncate(struct inode *inode);
extern void ceph_queue_vmtruncate(struct inode *inode);
-
extern void ceph_queue_invalidate(struct inode *inode);
extern void ceph_queue_writeback(struct inode *inode);
+extern void ceph_async_iput(struct inode *inode);
extern int __ceph_do_getattr(struct inode *inode, struct page *locked_page,
int mask, bool force);
@@ -899,9 +1007,19 @@
extern ssize_t ceph_listxattr(struct dentry *, char *, size_t);
extern struct ceph_buffer *__ceph_build_xattrs_blob(struct ceph_inode_info *ci);
extern void __ceph_destroy_xattrs(struct ceph_inode_info *ci);
-extern void __init ceph_xattr_init(void);
-extern void ceph_xattr_exit(void);
extern const struct xattr_handler *ceph_xattr_handlers[];
+
+struct ceph_acl_sec_ctx {
+#ifdef CONFIG_CEPH_FS_POSIX_ACL
+ void *default_acl;
+ void *acl;
+#endif
+#ifdef CONFIG_CEPH_FS_SECURITY_LABEL
+ void *sec_ctx;
+ u32 sec_ctxlen;
+#endif
+ struct ceph_pagelist *pagelist;
+};
#ifdef CONFIG_SECURITY
extern bool ceph_security_xattr_deadlock(struct inode *in);
@@ -917,21 +1035,35 @@
}
#endif
-/* acl.c */
-struct ceph_acls_info {
- void *default_acl;
- void *acl;
- struct ceph_pagelist *pagelist;
-};
+#ifdef CONFIG_CEPH_FS_SECURITY_LABEL
+extern int ceph_security_init_secctx(struct dentry *dentry, umode_t mode,
+ struct ceph_acl_sec_ctx *ctx);
+static inline void ceph_security_invalidate_secctx(struct inode *inode)
+{
+ security_inode_invalidate_secctx(inode);
+}
+#else
+static inline int ceph_security_init_secctx(struct dentry *dentry, umode_t mode,
+ struct ceph_acl_sec_ctx *ctx)
+{
+ return 0;
+}
+static inline void ceph_security_invalidate_secctx(struct inode *inode)
+{
+}
+#endif
+void ceph_release_acl_sec_ctx(struct ceph_acl_sec_ctx *as_ctx);
+
+/* acl.c */
#ifdef CONFIG_CEPH_FS_POSIX_ACL
struct posix_acl *ceph_get_acl(struct inode *, int);
int ceph_set_acl(struct inode *inode, struct posix_acl *acl, int type);
int ceph_pre_init_acls(struct inode *dir, umode_t *mode,
- struct ceph_acls_info *info);
-void ceph_init_inode_acls(struct inode *inode, struct ceph_acls_info *info);
-void ceph_release_acls_info(struct ceph_acls_info *info);
+ struct ceph_acl_sec_ctx *as_ctx);
+void ceph_init_inode_acls(struct inode *inode,
+ struct ceph_acl_sec_ctx *as_ctx);
static inline void ceph_forget_all_cached_acls(struct inode *inode)
{
@@ -944,15 +1076,12 @@
#define ceph_set_acl NULL
static inline int ceph_pre_init_acls(struct inode *dir, umode_t *mode,
- struct ceph_acls_info *info)
+ struct ceph_acl_sec_ctx *as_ctx)
{
return 0;
}
static inline void ceph_init_inode_acls(struct inode *inode,
- struct ceph_acls_info *info)
-{
-}
-static inline void ceph_release_acls_info(struct ceph_acls_info *info)
+ struct ceph_acl_sec_ctx *as_ctx)
{
}
static inline int ceph_acl_chmod(struct dentry *dentry, struct inode *inode)
@@ -974,15 +1103,15 @@
struct ceph_cap_reservation *ctx);
extern void ceph_add_cap(struct inode *inode,
struct ceph_mds_session *session, u64 cap_id,
- int fmode, unsigned issued, unsigned wanted,
+ unsigned issued, unsigned wanted,
unsigned cap, unsigned seq, u64 realmino, int flags,
struct ceph_cap **new_cap);
extern void __ceph_remove_cap(struct ceph_cap *cap, bool queue_release);
+extern void __ceph_remove_caps(struct ceph_inode_info *ci);
extern void ceph_put_cap(struct ceph_mds_client *mdsc,
struct ceph_cap *cap);
extern int ceph_is_any_caps(struct inode *inode);
-extern void ceph_queue_caps_release(struct inode *inode);
extern int ceph_write_inode(struct inode *inode, struct writeback_control *wbc);
extern int ceph_fsync(struct file *file, loff_t start, loff_t end,
int datasync);
@@ -990,19 +1119,30 @@
struct ceph_mds_session *session);
extern void ceph_kick_flushing_caps(struct ceph_mds_client *mdsc,
struct ceph_mds_session *session);
+void ceph_kick_flushing_inode_caps(struct ceph_mds_session *session,
+ struct ceph_inode_info *ci);
extern struct ceph_cap *ceph_get_cap_for_mds(struct ceph_inode_info *ci,
int mds);
-extern int ceph_get_cap_mds(struct inode *inode);
+extern void ceph_take_cap_refs(struct ceph_inode_info *ci, int caps,
+ bool snap_rwsem_locked);
extern void ceph_get_cap_refs(struct ceph_inode_info *ci, int caps);
extern void ceph_put_cap_refs(struct ceph_inode_info *ci, int had);
+extern void ceph_put_cap_refs_no_check_caps(struct ceph_inode_info *ci,
+ int had);
extern void ceph_put_wrbuffer_cap_refs(struct ceph_inode_info *ci, int nr,
struct ceph_snap_context *snapc);
+extern void __ceph_remove_capsnap(struct inode *inode,
+ struct ceph_cap_snap *capsnap,
+ bool *wake_ci, bool *wake_mdsc);
+extern void ceph_remove_capsnap(struct inode *inode,
+ struct ceph_cap_snap *capsnap,
+ bool *wake_ci, bool *wake_mdsc);
extern void ceph_flush_snaps(struct ceph_inode_info *ci,
struct ceph_mds_session **psession);
extern bool __ceph_should_report_size(struct ceph_inode_info *ci);
extern void ceph_check_caps(struct ceph_inode_info *ci, int flags,
struct ceph_mds_session *session);
-extern void ceph_check_delayed_caps(struct ceph_mds_client *mdsc);
+extern unsigned long ceph_check_delayed_caps(struct ceph_mds_client *mdsc);
extern void ceph_flush_dirty_caps(struct ceph_mds_client *mdsc);
extern int ceph_drop_caps_for_unlink(struct inode *inode);
extern int ceph_encode_inode_release(void **p, struct inode *inode,
@@ -1011,26 +1151,28 @@
struct inode *dir,
int mds, int drop, int unless);
-extern int ceph_get_caps(struct ceph_inode_info *ci, int need, int want,
+extern int ceph_get_caps(struct file *filp, int need, int want,
loff_t endoff, int *got, struct page **pinned_page);
-extern int ceph_try_get_caps(struct ceph_inode_info *ci,
- int need, int want, int *got);
+extern int ceph_try_get_caps(struct inode *inode,
+ int need, int want, bool nonblock, int *got);
/* for counting open files by mode */
-extern void __ceph_get_fmode(struct ceph_inode_info *ci, int mode);
-extern void ceph_put_fmode(struct ceph_inode_info *ci, int mode);
+extern void ceph_get_fmode(struct ceph_inode_info *ci, int mode, int count);
+extern void ceph_put_fmode(struct ceph_inode_info *ci, int mode, int count);
+extern void __ceph_touch_fmode(struct ceph_inode_info *ci,
+ struct ceph_mds_client *mdsc, int fmode);
/* addr.c */
extern const struct address_space_operations ceph_aops;
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_pool_perm_check(struct ceph_inode_info *ci, int need);
+extern int ceph_pool_perm_check(struct inode *inode, int need);
extern void ceph_pool_perm_destroy(struct ceph_mds_client* mdsc);
/* file.c */
extern const struct file_operations ceph_file_fops;
-extern int ceph_renew_caps(struct inode *inode);
+extern int ceph_renew_caps(struct inode *inode, int fmode);
extern int ceph_open(struct inode *inode, struct file *file);
extern int ceph_atomic_open(struct inode *dir, struct dentry *dentry,
struct file *file, unsigned flags, umode_t mode);
@@ -1052,10 +1194,10 @@
extern struct dentry *ceph_finish_lookup(struct ceph_mds_request *req,
struct dentry *dentry, int err);
-extern void ceph_dentry_lru_add(struct dentry *dn);
-extern void ceph_dentry_lru_touch(struct dentry *dn);
-extern void ceph_dentry_lru_del(struct dentry *dn);
+extern void __ceph_dentry_lease_touch(struct ceph_dentry_info *di);
+extern void __ceph_dentry_dir_lease_touch(struct ceph_dentry_info *di);
extern void ceph_invalidate_dentry_lease(struct dentry *dentry);
+extern int ceph_trim_dentries(struct ceph_mds_client *mdsc);
extern unsigned ceph_dentry_hash(struct inode *dir, struct dentry *dn);
extern void ceph_readdir_cache_release(struct ceph_readdir_cache_control *ctl);
@@ -1064,6 +1206,7 @@
/* export.c */
extern const struct export_operations ceph_export_ops;
+struct inode *ceph_lookup_inode(struct super_block *sb, u64 ino);
/* locks.c */
extern __init void ceph_flock_init(void);
@@ -1079,7 +1222,7 @@
int num_fcntl_locks, int num_flock_locks);
/* debugfs.c */
-extern int ceph_fs_debugfs_init(struct ceph_fs_client *client);
+extern void ceph_fs_debugfs_init(struct ceph_fs_client *client);
extern void ceph_fs_debugfs_cleanup(struct ceph_fs_client *client);
/* quota.c */
@@ -1107,12 +1250,14 @@
struct ceph_mds_session *session,
struct ceph_msg *msg);
extern bool ceph_quota_is_max_files_exceeded(struct inode *inode);
-extern bool ceph_quota_is_same_realm(struct inode *old, struct inode *new);
extern bool ceph_quota_is_max_bytes_exceeded(struct inode *inode,
loff_t newlen);
extern bool ceph_quota_is_max_bytes_approaching(struct inode *inode,
loff_t newlen);
extern bool ceph_quota_update_statfs(struct ceph_fs_client *fsc,
struct kstatfs *buf);
+extern int ceph_quota_check_rename(struct ceph_mds_client *mdsc,
+ struct inode *old, struct inode *new);
+extern void ceph_cleanup_quotarealms_inodes(struct ceph_mds_client *mdsc);
#endif /* _FS_CEPH_SUPER_H */
--
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