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-rw-r--r--fs/afs/internal.h253
1 files changed, 167 insertions, 86 deletions
diff --git a/fs/afs/internal.h b/fs/afs/internal.h
index 3904ab0b9563..2073c1a3ab4b 100644
--- a/fs/afs/internal.h
+++ b/fs/afs/internal.h
@@ -36,11 +36,24 @@
struct pagevec;
struct afs_call;
+/*
+ * Partial file-locking emulation mode. (The problem being that AFS3 only
+ * allows whole-file locks and no upgrading/downgrading).
+ */
+enum afs_flock_mode {
+ afs_flock_mode_unset,
+ afs_flock_mode_local, /* Local locking only */
+ afs_flock_mode_openafs, /* Don't get server lock for a partial lock */
+ afs_flock_mode_strict, /* Always get a server lock for a partial lock */
+ afs_flock_mode_write, /* Get an exclusive server lock for a partial lock */
+};
+
struct afs_fs_context {
bool force; /* T to force cell type */
bool autocell; /* T if set auto mount operation */
bool dyn_root; /* T if dynamic root */
bool no_cell; /* T if the source is "none" (for dynroot) */
+ enum afs_flock_mode flock_mode; /* Partial file-locking emulation mode */
afs_voltype_t type; /* type of volume requested */
unsigned int volnamesz; /* size of volume name */
const char *volname; /* name of volume to mount */
@@ -53,6 +66,8 @@ struct afs_fs_context {
struct afs_iget_data {
struct afs_fid fid;
struct afs_volume *volume; /* volume on which resides */
+ unsigned int cb_v_break; /* Pre-fetch volume break count */
+ unsigned int cb_s_break; /* Pre-fetch server break count */
};
enum afs_call_state {
@@ -98,8 +113,12 @@ struct afs_call {
struct rxrpc_call *rxcall; /* RxRPC call handle */
struct key *key; /* security for this call */
struct afs_net *net; /* The network namespace */
- struct afs_server *cm_server; /* Server affected by incoming CM call */
+ union {
+ struct afs_server *server;
+ struct afs_vlserver *vlserver;
+ };
struct afs_cb_interest *cbi; /* Callback interest for server used */
+ struct afs_vnode *lvnode; /* vnode being locked */
void *request; /* request data (first part) */
struct address_space *mapping; /* Pages being written from */
struct iov_iter iter; /* Buffer iterator */
@@ -109,7 +128,20 @@ struct afs_call {
struct bio_vec bvec[1];
};
void *buffer; /* reply receive buffer */
- void *reply[4]; /* Where to put the reply */
+ union {
+ long ret0; /* Value to reply with instead of 0 */
+ struct afs_addr_list *ret_alist;
+ struct afs_vldb_entry *ret_vldb;
+ struct afs_acl *ret_acl;
+ };
+ struct afs_fid *out_fid;
+ struct afs_status_cb *out_dir_scb;
+ struct afs_status_cb *out_scb;
+ struct yfs_acl *out_yacl;
+ struct afs_volsync *out_volsync;
+ struct afs_volume_status *out_volstatus;
+ struct afs_read *read_request;
+ unsigned int server_index;
pgoff_t first; /* first page in mapping to deal with */
pgoff_t last; /* last page in mapping to deal with */
atomic_t usage;
@@ -118,10 +150,10 @@ struct afs_call {
int error; /* error code */
u32 abort_code; /* Remote abort ID or 0 */
u32 epoch;
+ unsigned int max_lifespan; /* Maximum lifespan to set if not 0 */
unsigned request_size; /* size of request data */
unsigned reply_max; /* maximum size of reply */
unsigned first_offset; /* offset into mapping[first] */
- unsigned int cb_break; /* cb_break + cb_s_break before the call */
union {
unsigned last_to; /* amount of mapping[last] */
unsigned count2; /* count used in unmarshalling */
@@ -132,9 +164,9 @@ struct afs_call {
bool send_pages; /* T if data from mapping should be sent */
bool need_attention; /* T if RxRPC poked us */
bool async; /* T if asynchronous */
- bool ret_reply0; /* T if should return reply[0] on success */
bool upgrade; /* T to request service upgrade */
- bool want_reply_time; /* T if want reply_time */
+ bool have_reply_time; /* T if have got reply_time */
+ bool intr; /* T if interruptible */
u16 service_id; /* Actual service ID (after upgrade) */
unsigned int debug_id; /* Trace ID */
u32 operation_ID; /* operation ID for an incoming call */
@@ -146,8 +178,6 @@ struct afs_call {
} __attribute__((packed));
__be64 tmp64;
};
- afs_dataversion_t expected_version; /* Updated version expected from store */
- afs_dataversion_t expected_version_2; /* 2nd updated version expected from store */
ktime_t reply_time; /* Time of first reply packet */
};
@@ -208,7 +238,8 @@ struct afs_read {
unsigned int index; /* Which page we're reading into */
unsigned int nr_pages;
unsigned int offset; /* offset into current page */
- void (*page_done)(struct afs_call *, struct afs_read *);
+ struct afs_vnode *vnode;
+ void (*page_done)(struct afs_read *);
struct page **pages;
struct page *array[];
};
@@ -221,6 +252,7 @@ struct afs_super_info {
struct net *net_ns; /* Network namespace */
struct afs_cell *cell; /* The cell in which the volume resides */
struct afs_volume *volume; /* volume record */
+ enum afs_flock_mode flock_mode:8; /* File locking emulation mode */
bool dyn_root; /* True if dynamic root */
};
@@ -353,13 +385,13 @@ struct afs_cell {
time64_t last_inactive; /* Time of last drop of usage count */
atomic_t usage;
unsigned long flags;
-#define AFS_CELL_FL_NOT_READY 0 /* The cell record is not ready for use */
-#define AFS_CELL_FL_NO_GC 1 /* The cell was added manually, don't auto-gc */
-#define AFS_CELL_FL_NOT_FOUND 2 /* Permanent DNS error */
-#define AFS_CELL_FL_DNS_FAIL 3 /* Failed to access DNS */
-#define AFS_CELL_FL_NO_LOOKUP_YET 4 /* Not completed first DNS lookup yet */
+#define AFS_CELL_FL_NO_GC 0 /* The cell was added manually, don't auto-gc */
+#define AFS_CELL_FL_DO_LOOKUP 1 /* DNS lookup requested */
enum afs_cell_state state;
short error;
+ enum dns_record_source dns_source:8; /* Latest source of data from lookup */
+ enum dns_lookup_status dns_status:8; /* Latest status of data from lookup */
+ unsigned int dns_lookup_count; /* Counter of DNS lookups */
/* Active fileserver interaction state. */
struct list_head proc_volumes; /* procfs volume list */
@@ -524,7 +556,10 @@ struct afs_server {
struct afs_vol_interest {
struct hlist_node srv_link; /* Link in server->cb_volumes */
struct hlist_head cb_interests; /* List of callback interests on the server */
- afs_volid_t vid; /* Volume ID to match */
+ union {
+ struct rcu_head rcu;
+ afs_volid_t vid; /* Volume ID to match */
+ };
unsigned int usage;
};
@@ -536,7 +571,10 @@ struct afs_cb_interest {
struct afs_vol_interest *vol_interest;
struct afs_server *server; /* Server on which this interest resides */
struct super_block *sb; /* Superblock on which inodes reside */
- afs_volid_t vid; /* Volume ID to match */
+ union {
+ struct rcu_head rcu;
+ afs_volid_t vid; /* Volume ID to match */
+ };
refcount_t usage;
};
@@ -599,6 +637,7 @@ enum afs_lock_state {
AFS_VNODE_LOCK_EXTENDING, /* We're extending a lock on the server */
AFS_VNODE_LOCK_NEED_UNLOCK, /* We need to unlock on the server */
AFS_VNODE_LOCK_UNLOCKING, /* We're telling the server to unlock */
+ AFS_VNODE_LOCK_DELETED, /* The vnode has been deleted whilst we have a lock */
};
/*
@@ -620,6 +659,8 @@ struct afs_vnode {
struct afs_permits __rcu *permit_cache; /* cache of permits so far obtained */
struct mutex io_lock; /* Lock for serialising I/O on this mutex */
struct rw_semaphore validate_lock; /* lock for validating this vnode */
+ struct rw_semaphore rmdir_lock; /* Lock for rmdir vs sillyrename */
+ struct key *silly_key; /* Silly rename key */
spinlock_t wb_lock; /* lock for wb_keys */
spinlock_t lock; /* waitqueue/flags lock */
unsigned long flags;
@@ -638,19 +679,18 @@ struct afs_vnode {
struct list_head granted_locks; /* locks granted on this file */
struct delayed_work lock_work; /* work to be done in locking */
struct key *lock_key; /* Key to be used in lock ops */
+ ktime_t locked_at; /* Time at which lock obtained */
enum afs_lock_state lock_state : 8;
afs_lock_type_t lock_type : 8;
/* outstanding callback notification on this file */
- struct afs_cb_interest *cb_interest; /* Server on which this resides */
+ struct afs_cb_interest __rcu *cb_interest; /* Server on which this resides */
unsigned int cb_s_break; /* Mass break counter on ->server */
unsigned int cb_v_break; /* Mass break counter on ->volume */
unsigned int cb_break; /* Break counter on vnode */
seqlock_t cb_lock; /* Lock for ->cb_interest, ->status, ->cb_*break */
time64_t cb_expires_at; /* time at which callback expires */
- unsigned cb_version; /* callback version */
- afs_callback_type_t cb_type; /* type of callback */
};
static inline struct fscache_cookie *afs_vnode_cache(struct afs_vnode *vnode)
@@ -737,6 +777,7 @@ struct afs_vl_cursor {
* Cursor for iterating over a set of fileservers.
*/
struct afs_fs_cursor {
+ const struct afs_call_type *type; /* Type of call done */
struct afs_addr_cursor ac;
struct afs_vnode *vnode;
struct afs_server_list *server_list; /* Current server list (pins ref) */
@@ -754,6 +795,7 @@ struct afs_fs_cursor {
#define AFS_FS_CURSOR_VNOVOL 0x0008 /* Set if seen VNOVOL */
#define AFS_FS_CURSOR_CUR_ONLY 0x0010 /* Set if current server only (file lock held) */
#define AFS_FS_CURSOR_NO_VSLEEP 0x0020 /* Set to prevent sleep on VBUSY, VOFFLINE, ... */
+#define AFS_FS_CURSOR_INTR 0x0040 /* Set if op is interruptible */
unsigned short nr_iterations; /* Number of server iterations */
};
@@ -873,6 +915,13 @@ extern void afs_edit_dir_add(struct afs_vnode *, struct qstr *, struct afs_fid *
extern void afs_edit_dir_remove(struct afs_vnode *, struct qstr *, enum afs_edit_dir_reason);
/*
+ * dir_silly.c
+ */
+extern int afs_sillyrename(struct afs_vnode *, struct afs_vnode *,
+ struct dentry *, struct key *);
+extern int afs_silly_iput(struct dentry *, struct inode *);
+
+/*
* dynroot.c
*/
extern const struct file_operations afs_dynroot_file_operations;
@@ -905,6 +954,7 @@ extern void afs_put_read(struct afs_read *);
*/
extern struct workqueue_struct *afs_lock_manager;
+extern void afs_lock_op_done(struct afs_call *);
extern void afs_lock_work(struct work_struct *);
extern void afs_lock_may_be_available(struct afs_vnode *);
extern int afs_lock(struct file *, int, struct file_lock *);
@@ -913,41 +963,48 @@ extern int afs_flock(struct file *, int, struct file_lock *);
/*
* fsclient.c
*/
-#define AFS_VNODE_NOT_YET_SET 0x01
-#define AFS_VNODE_META_CHANGED 0x02
-#define AFS_VNODE_DATA_CHANGED 0x04
-extern void afs_update_inode_from_status(struct afs_vnode *, struct afs_file_status *,
- const afs_dataversion_t *, u8);
-
-extern int afs_fs_fetch_file_status(struct afs_fs_cursor *, struct afs_volsync *, bool);
+extern int afs_fs_fetch_file_status(struct afs_fs_cursor *, struct afs_status_cb *,
+ struct afs_volsync *);
extern int afs_fs_give_up_callbacks(struct afs_net *, struct afs_server *);
-extern int afs_fs_fetch_data(struct afs_fs_cursor *, struct afs_read *);
-extern int afs_fs_create(struct afs_fs_cursor *, const char *, umode_t, u64,
- struct afs_fid *, struct afs_file_status *, struct afs_callback *);
-extern int afs_fs_remove(struct afs_fs_cursor *, struct afs_vnode *, const char *, bool, u64);
-extern int afs_fs_link(struct afs_fs_cursor *, struct afs_vnode *, const char *, u64);
-extern int afs_fs_symlink(struct afs_fs_cursor *, const char *, const char *, u64,
- struct afs_fid *, struct afs_file_status *);
+extern int afs_fs_fetch_data(struct afs_fs_cursor *, struct afs_status_cb *, struct afs_read *);
+extern int afs_fs_create(struct afs_fs_cursor *, const char *, umode_t,
+ struct afs_status_cb *, struct afs_fid *, struct afs_status_cb *);
+extern int afs_fs_remove(struct afs_fs_cursor *, struct afs_vnode *, const char *, bool,
+ struct afs_status_cb *);
+extern int afs_fs_link(struct afs_fs_cursor *, struct afs_vnode *, const char *,
+ struct afs_status_cb *, struct afs_status_cb *);
+extern int afs_fs_symlink(struct afs_fs_cursor *, const char *, const char *,
+ struct afs_status_cb *, struct afs_fid *, struct afs_status_cb *);
extern int afs_fs_rename(struct afs_fs_cursor *, const char *,
- struct afs_vnode *, const char *, u64, u64);
+ struct afs_vnode *, const char *,
+ struct afs_status_cb *, struct afs_status_cb *);
extern int afs_fs_store_data(struct afs_fs_cursor *, struct address_space *,
- pgoff_t, pgoff_t, unsigned, unsigned);
-extern int afs_fs_setattr(struct afs_fs_cursor *, struct iattr *);
+ pgoff_t, pgoff_t, unsigned, unsigned, struct afs_status_cb *);
+extern int afs_fs_setattr(struct afs_fs_cursor *, struct iattr *, struct afs_status_cb *);
extern int afs_fs_get_volume_status(struct afs_fs_cursor *, struct afs_volume_status *);
-extern int afs_fs_set_lock(struct afs_fs_cursor *, afs_lock_type_t);
-extern int afs_fs_extend_lock(struct afs_fs_cursor *);
-extern int afs_fs_release_lock(struct afs_fs_cursor *);
+extern int afs_fs_set_lock(struct afs_fs_cursor *, afs_lock_type_t, struct afs_status_cb *);
+extern int afs_fs_extend_lock(struct afs_fs_cursor *, struct afs_status_cb *);
+extern int afs_fs_release_lock(struct afs_fs_cursor *, struct afs_status_cb *);
extern int afs_fs_give_up_all_callbacks(struct afs_net *, struct afs_server *,
struct afs_addr_cursor *, struct key *);
-extern int afs_fs_get_capabilities(struct afs_net *, struct afs_server *,
- struct afs_addr_cursor *, struct key *, unsigned int, bool);
+extern struct afs_call *afs_fs_get_capabilities(struct afs_net *, struct afs_server *,
+ struct afs_addr_cursor *, struct key *,
+ unsigned int);
extern int afs_fs_inline_bulk_status(struct afs_fs_cursor *, struct afs_net *,
- struct afs_fid *, struct afs_file_status *,
- struct afs_callback *, unsigned int,
- struct afs_volsync *);
+ struct afs_fid *, struct afs_status_cb *,
+ unsigned int, struct afs_volsync *);
extern int afs_fs_fetch_status(struct afs_fs_cursor *, struct afs_net *,
- struct afs_fid *, struct afs_file_status *,
- struct afs_callback *, struct afs_volsync *);
+ struct afs_fid *, struct afs_status_cb *,
+ struct afs_volsync *);
+
+struct afs_acl {
+ u32 size;
+ u8 data[];
+};
+
+extern struct afs_acl *afs_fs_fetch_acl(struct afs_fs_cursor *, struct afs_status_cb *);
+extern int afs_fs_store_acl(struct afs_fs_cursor *, const struct afs_acl *,
+ struct afs_status_cb *);
/*
* fs_probe.c
@@ -959,14 +1016,20 @@ extern int afs_wait_for_fs_probes(struct afs_server_list *, unsigned long);
/*
* inode.c
*/
-extern int afs_fetch_status(struct afs_vnode *, struct key *, bool);
+extern void afs_vnode_commit_status(struct afs_fs_cursor *,
+ struct afs_vnode *,
+ unsigned int,
+ const afs_dataversion_t *,
+ struct afs_status_cb *);
+extern int afs_fetch_status(struct afs_vnode *, struct key *, bool, afs_access_t *);
extern int afs_iget5_test(struct inode *, void *);
extern struct inode *afs_iget_pseudo_dir(struct super_block *, bool);
extern struct inode *afs_iget(struct super_block *, struct key *,
- struct afs_fid *, struct afs_file_status *,
- struct afs_callback *,
- struct afs_cb_interest *);
+ struct afs_iget_data *, struct afs_status_cb *,
+ struct afs_cb_interest *,
+ struct afs_vnode *);
extern void afs_zap_data(struct afs_vnode *);
+extern bool afs_check_validity(struct afs_vnode *);
extern int afs_validate(struct afs_vnode *, struct key *);
extern int afs_getattr(const struct path *, struct kstat *, u32, unsigned int);
extern int afs_setattr(struct dentry *, struct iattr *);
@@ -1059,7 +1122,7 @@ static inline void afs_put_sysnames(struct afs_sysnames *sysnames) {}
* rotate.c
*/
extern bool afs_begin_vnode_operation(struct afs_fs_cursor *, struct afs_vnode *,
- struct key *);
+ struct key *, bool);
extern bool afs_select_fileserver(struct afs_fs_cursor *);
extern bool afs_select_current_fileserver(struct afs_fs_cursor *);
extern int afs_end_vnode_operation(struct afs_fs_cursor *);
@@ -1073,7 +1136,8 @@ extern int __net_init afs_open_socket(struct afs_net *);
extern void __net_exit afs_close_socket(struct afs_net *);
extern void afs_charge_preallocation(struct work_struct *);
extern void afs_put_call(struct afs_call *);
-extern long afs_make_call(struct afs_addr_cursor *, struct afs_call *, gfp_t, bool);
+extern void afs_make_call(struct afs_addr_cursor *, struct afs_call *, gfp_t);
+extern long afs_wait_for_call_to_complete(struct afs_call *, struct afs_addr_cursor *);
extern struct afs_call *afs_alloc_flat_call(struct afs_net *,
const struct afs_call_type *,
size_t, size_t);
@@ -1083,6 +1147,12 @@ extern void afs_send_simple_reply(struct afs_call *, const void *, size_t);
extern int afs_extract_data(struct afs_call *, bool);
extern int afs_protocol_error(struct afs_call *, int, enum afs_eproto_cause);
+static inline void afs_set_fc_call(struct afs_call *call, struct afs_fs_cursor *fc)
+{
+ call->intr = fc->flags & AFS_FS_CURSOR_INTR;
+ fc->type = call->type;
+}
+
static inline void afs_extract_begin(struct afs_call *call, void *buf, size_t size)
{
call->kvec[0].iov_base = buf;
@@ -1163,7 +1233,8 @@ static inline void afs_set_call_complete(struct afs_call *call,
*/
extern void afs_put_permits(struct afs_permits *);
extern void afs_clear_permits(struct afs_vnode *);
-extern void afs_cache_permit(struct afs_vnode *, struct key *, unsigned int);
+extern void afs_cache_permit(struct afs_vnode *, struct key *, unsigned int,
+ struct afs_status_cb *);
extern void afs_zap_permits(struct rcu_head *);
extern struct key *afs_request_key(struct afs_cell *);
extern int afs_check_permit(struct afs_vnode *, struct key *, afs_access_t *);
@@ -1218,8 +1289,8 @@ extern void afs_fs_exit(void);
extern struct afs_vldb_entry *afs_vl_get_entry_by_name_u(struct afs_vl_cursor *,
const char *, int);
extern struct afs_addr_list *afs_vl_get_addrs_u(struct afs_vl_cursor *, const uuid_t *);
-extern int afs_vl_get_capabilities(struct afs_net *, struct afs_addr_cursor *, struct key *,
- struct afs_vlserver *, unsigned int, bool);
+extern struct afs_call *afs_vl_get_capabilities(struct afs_net *, struct afs_addr_cursor *,
+ struct key *, struct afs_vlserver *, unsigned int);
extern struct afs_addr_list *afs_yfsvl_get_endpoints(struct afs_vl_cursor *, const uuid_t *);
/*
@@ -1289,7 +1360,6 @@ extern int afs_write_end(struct file *file, struct address_space *mapping,
struct page *page, void *fsdata);
extern int afs_writepage(struct page *, struct writeback_control *);
extern int afs_writepages(struct address_space *, struct writeback_control *);
-extern void afs_pages_written_back(struct afs_vnode *, struct afs_call *);
extern ssize_t afs_file_write(struct kiocb *, struct iov_iter *);
extern int afs_fsync(struct file *, loff_t, loff_t, int);
extern vm_fault_t afs_page_mkwrite(struct vm_fault *vmf);
@@ -1305,33 +1375,52 @@ extern ssize_t afs_listxattr(struct dentry *, char *, size_t);
/*
* yfsclient.c
*/
-extern int yfs_fs_fetch_file_status(struct afs_fs_cursor *, struct afs_volsync *, bool);
-extern int yfs_fs_fetch_data(struct afs_fs_cursor *, struct afs_read *);
-extern int yfs_fs_create_file(struct afs_fs_cursor *, const char *, umode_t, u64,
- struct afs_fid *, struct afs_file_status *, struct afs_callback *);
-extern int yfs_fs_make_dir(struct afs_fs_cursor *, const char *, umode_t, u64,
- struct afs_fid *, struct afs_file_status *, struct afs_callback *);
-extern int yfs_fs_remove_file2(struct afs_fs_cursor *, struct afs_vnode *, const char *, u64);
-extern int yfs_fs_remove(struct afs_fs_cursor *, struct afs_vnode *, const char *, bool, u64);
-extern int yfs_fs_link(struct afs_fs_cursor *, struct afs_vnode *, const char *, u64);
-extern int yfs_fs_symlink(struct afs_fs_cursor *, const char *, const char *, u64,
- struct afs_fid *, struct afs_file_status *);
-extern int yfs_fs_rename(struct afs_fs_cursor *, const char *,
- struct afs_vnode *, const char *, u64, u64);
+extern int yfs_fs_fetch_file_status(struct afs_fs_cursor *, struct afs_status_cb *,
+ struct afs_volsync *);
+extern int yfs_fs_fetch_data(struct afs_fs_cursor *, struct afs_status_cb *, struct afs_read *);
+extern int yfs_fs_create_file(struct afs_fs_cursor *, const char *, umode_t, struct afs_status_cb *,
+ struct afs_fid *, struct afs_status_cb *);
+extern int yfs_fs_make_dir(struct afs_fs_cursor *, const char *, umode_t, struct afs_status_cb *,
+ struct afs_fid *, struct afs_status_cb *);
+extern int yfs_fs_remove_file2(struct afs_fs_cursor *, struct afs_vnode *, const char *,
+ struct afs_status_cb *, struct afs_status_cb *);
+extern int yfs_fs_remove(struct afs_fs_cursor *, struct afs_vnode *, const char *, bool,
+ struct afs_status_cb *);
+extern int yfs_fs_link(struct afs_fs_cursor *, struct afs_vnode *, const char *,
+ struct afs_status_cb *, struct afs_status_cb *);
+extern int yfs_fs_symlink(struct afs_fs_cursor *, const char *, const char *,
+ struct afs_status_cb *, struct afs_fid *, struct afs_status_cb *);
+extern int yfs_fs_rename(struct afs_fs_cursor *, const char *, struct afs_vnode *, const char *,
+ struct afs_status_cb *, struct afs_status_cb *);
extern int yfs_fs_store_data(struct afs_fs_cursor *, struct address_space *,
- pgoff_t, pgoff_t, unsigned, unsigned);
-extern int yfs_fs_setattr(struct afs_fs_cursor *, struct iattr *);
+ pgoff_t, pgoff_t, unsigned, unsigned, struct afs_status_cb *);
+extern int yfs_fs_setattr(struct afs_fs_cursor *, struct iattr *, struct afs_status_cb *);
extern int yfs_fs_get_volume_status(struct afs_fs_cursor *, struct afs_volume_status *);
-extern int yfs_fs_set_lock(struct afs_fs_cursor *, afs_lock_type_t);
-extern int yfs_fs_extend_lock(struct afs_fs_cursor *);
-extern int yfs_fs_release_lock(struct afs_fs_cursor *);
+extern int yfs_fs_set_lock(struct afs_fs_cursor *, afs_lock_type_t, struct afs_status_cb *);
+extern int yfs_fs_extend_lock(struct afs_fs_cursor *, struct afs_status_cb *);
+extern int yfs_fs_release_lock(struct afs_fs_cursor *, struct afs_status_cb *);
extern int yfs_fs_fetch_status(struct afs_fs_cursor *, struct afs_net *,
- struct afs_fid *, struct afs_file_status *,
- struct afs_callback *, struct afs_volsync *);
+ struct afs_fid *, struct afs_status_cb *,
+ struct afs_volsync *);
extern int yfs_fs_inline_bulk_status(struct afs_fs_cursor *, struct afs_net *,
- struct afs_fid *, struct afs_file_status *,
- struct afs_callback *, unsigned int,
- struct afs_volsync *);
+ struct afs_fid *, struct afs_status_cb *,
+ unsigned int, struct afs_volsync *);
+
+struct yfs_acl {
+ struct afs_acl *acl; /* Dir/file/symlink ACL */
+ struct afs_acl *vol_acl; /* Whole volume ACL */
+ u32 inherit_flag; /* True if ACL is inherited from parent dir */
+ u32 num_cleaned; /* Number of ACEs removed due to subject removal */
+ unsigned int flags;
+#define YFS_ACL_WANT_ACL 0x01 /* Set if caller wants ->acl */
+#define YFS_ACL_WANT_VOL_ACL 0x02 /* Set if caller wants ->vol_acl */
+};
+
+extern void yfs_free_opaque_acl(struct yfs_acl *);
+extern struct yfs_acl *yfs_fs_fetch_opaque_acl(struct afs_fs_cursor *, struct yfs_acl *,
+ struct afs_status_cb *);
+extern int yfs_fs_store_opaque_acl2(struct afs_fs_cursor *, const struct afs_acl *,
+ struct afs_status_cb *);
/*
* Miscellaneous inline functions.
@@ -1346,14 +1435,6 @@ static inline struct inode *AFS_VNODE_TO_I(struct afs_vnode *vnode)
return &vnode->vfs_inode;
}
-static inline void afs_vnode_commit_status(struct afs_fs_cursor *fc,
- struct afs_vnode *vnode,
- unsigned int cb_break)
-{
- if (fc->ac.error == 0)
- afs_cache_permit(vnode, fc->key, cb_break);
-}
-
static inline void afs_check_for_remote_deletion(struct afs_fs_cursor *fc,
struct afs_vnode *vnode)
{
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.