| /fs/proc/ |
| D | proc_sysctl.c | 35 static bool is_empty_dir(struct ctl_table_header *head) in is_empty_dir() argument
37 return head->ctl_table[0].child == sysctl_mount_point; in is_empty_dir()
83 static int insert_links(struct ctl_table_header *head);
112 struct ctl_table_header *head; in find_entry() local
123 head = ctl_node->header; in find_entry()
124 entry = &head->ctl_table[ctl_node - head->node]; in find_entry()
133 *phead = head; in find_entry()
140 static int insert_entry(struct ctl_table_header *head, struct ctl_table *entry) in insert_entry() argument
142 struct rb_node *node = &head->node[entry - head->ctl_table].node; in insert_entry()
143 struct rb_node **p = &head->parent->root.rb_node; in insert_entry()
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| /fs/ |
| D | mbcache.c | 79 struct hlist_bl_head *head; in mb_cache_entry_create() local
99 head = mb_cache_entry_head(cache, key); in mb_cache_entry_create()
100 hlist_bl_lock(head); in mb_cache_entry_create()
101 hlist_bl_for_each_entry(dup, dup_node, head, e_hash_list) { in mb_cache_entry_create()
103 hlist_bl_unlock(head); in mb_cache_entry_create()
108 hlist_bl_add_head(&entry->e_hash_list, head); in mb_cache_entry_create()
109 hlist_bl_unlock(head); in mb_cache_entry_create()
134 struct hlist_bl_head *head; in __entry_find() local
136 head = mb_cache_entry_head(cache, key); in __entry_find()
137 hlist_bl_lock(head); in __entry_find()
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| D | buffer.c | 87 struct buffer_head *head, *bh; in buffer_check_dirty_writeback() local
99 head = page_buffers(page); in buffer_check_dirty_writeback()
100 bh = head; in buffer_check_dirty_writeback()
109 } while (bh != head); in buffer_check_dirty_writeback()
202 struct buffer_head *head; in __find_get_block_slow() local
215 head = page_buffers(page); in __find_get_block_slow()
216 bh = head; in __find_get_block_slow()
226 } while (bh != head); in __find_get_block_slow()
627 struct buffer_head *head = page_buffers(page); in __set_page_dirty_buffers() local
628 struct buffer_head *bh = head; in __set_page_dirty_buffers()
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| D | seq_file.c | 896 struct list_head *seq_list_start(struct list_head *head, loff_t pos) in seq_list_start() argument
900 list_for_each(lh, head) in seq_list_start()
908 struct list_head *seq_list_start_head(struct list_head *head, loff_t pos) in seq_list_start_head() argument
911 return head; in seq_list_start_head()
913 return seq_list_start(head, pos - 1); in seq_list_start_head()
917 struct list_head *seq_list_next(void *v, struct list_head *head, loff_t *ppos) in seq_list_next() argument
923 return lh == head ? NULL : lh; in seq_list_next()
934 struct hlist_node *seq_hlist_start(struct hlist_head *head, loff_t pos) in seq_hlist_start() argument
938 hlist_for_each(node, head) in seq_hlist_start()
953 struct hlist_node *seq_hlist_start_head(struct hlist_head *head, loff_t pos) in seq_hlist_start_head() argument
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| D | aio.c | 61 unsigned head; /* Written to by userland or under ring_lock member
183 struct wait_queue_head *head; member
546 ring->head = ring->tail = 0; in aio_setup_ring()
956 static void refill_reqs_available(struct kioctx *ctx, unsigned head, in refill_reqs_available() argument
962 head %= ctx->nr_events; in refill_reqs_available()
963 if (head <= tail) in refill_reqs_available()
964 events_in_ring = tail - head; in refill_reqs_available()
966 events_in_ring = ctx->nr_events - (head - tail); in refill_reqs_available()
990 unsigned head; in user_refill_reqs_available() local
1002 head = ring->head; in user_refill_reqs_available()
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| /fs/gfs2/ |
| D | recovery.c | 57 struct list_head *head = &jd->jd_revoke_list; in gfs2_revoke_add() local
61 list_for_each_entry(rr, head, rr_list) { in gfs2_revoke_add()
79 list_add(&rr->rr_list, head); in gfs2_revoke_add()
110 struct list_head *head = &jd->jd_revoke_list; in gfs2_revoke_clean() local
113 while (!list_empty(head)) { in gfs2_revoke_clean()
114 rr = list_entry(head->next, struct gfs2_revoke_replay, rr_list); in gfs2_revoke_clean()
121 unsigned int blkno, struct gfs2_log_header_host *head) in __get_log_header() argument
142 head->lh_sequence = be64_to_cpu(lh->lh_sequence); in __get_log_header()
143 head->lh_flags = be32_to_cpu(lh->lh_flags); in __get_log_header()
144 head->lh_tail = be32_to_cpu(lh->lh_tail); in __get_log_header()
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| D | lops.c | 413 struct gfs2_log_header_host *head, in gfs2_jhead_pg_srch() argument
424 if (lh.lh_sequence > head->lh_sequence) in gfs2_jhead_pg_srch()
425 *head = lh; in gfs2_jhead_pg_srch()
456 struct gfs2_log_header_host *head, in gfs2_jhead_process_page() argument
468 *done = gfs2_jhead_pg_srch(jd, head, page); in gfs2_jhead_process_page()
484 int gfs2_find_jhead(struct gfs2_jdesc *jd, struct gfs2_log_header_host *head, in gfs2_find_jhead() argument
501 memset(head, 0, sizeof(*head)); in gfs2_find_jhead()
551 gfs2_jhead_process_page(jd, blocks_read >> shift, head, &done); in gfs2_find_jhead()
562 gfs2_jhead_process_page(jd, blocks_read >> shift, head, &done); in gfs2_find_jhead()
704 struct list_head *head; in buf_lo_after_commit() local
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| /fs/hfsplus/ |
| D | btree.c | 136 struct hfs_btree_header_rec *head; in hfs_btree_open() local
166 head = (struct hfs_btree_header_rec *)(kmap(page) + in hfs_btree_open()
168 tree->root = be32_to_cpu(head->root); in hfs_btree_open()
169 tree->leaf_count = be32_to_cpu(head->leaf_count); in hfs_btree_open()
170 tree->leaf_head = be32_to_cpu(head->leaf_head); in hfs_btree_open()
171 tree->leaf_tail = be32_to_cpu(head->leaf_tail); in hfs_btree_open()
172 tree->node_count = be32_to_cpu(head->node_count); in hfs_btree_open()
173 tree->free_nodes = be32_to_cpu(head->free_nodes); in hfs_btree_open()
174 tree->attributes = be32_to_cpu(head->attributes); in hfs_btree_open()
175 tree->node_size = be16_to_cpu(head->node_size); in hfs_btree_open()
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| /fs/nilfs2/ |
| D | segbuf.h | 85 #define NILFS_LIST_SEGBUF(head) \ argument
86 list_entry((head), struct nilfs_segment_buffer, sb_list)
89 #define NILFS_LAST_SEGBUF(head) NILFS_LIST_SEGBUF((head)->prev) argument
90 #define NILFS_FIRST_SEGBUF(head) NILFS_LIST_SEGBUF((head)->next) argument
91 #define NILFS_SEGBUF_IS_LAST(segbuf, head) ((segbuf)->sb_list.next == (head)) argument
97 #define NILFS_SEGBUF_FIRST_BH(head) \ argument
98 (list_entry((head)->next, struct buffer_head, b_assoc_buffers))
102 #define NILFS_SEGBUF_BH_IS_LAST(bh, head) ((bh)->b_assoc_buffers.next == head) argument
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| D | page.c | 143 struct buffer_head *bh, *head; in nilfs_page_buffers_clean() local
145 bh = head = page_buffers(page); in nilfs_page_buffers_clean()
150 } while (bh != head); in nilfs_page_buffers_clean()
173 struct buffer_head *bh, *head; in nilfs_page_bug() local
176 bh = head = page_buffers(page); in nilfs_page_bug()
183 } while (bh != head); in nilfs_page_bug()
402 struct buffer_head *bh, *head; in nilfs_clear_dirty_page() local
408 bh = head = page_buffers(page); in nilfs_clear_dirty_page()
418 } while (bh = bh->b_this_page, bh != head); in nilfs_clear_dirty_page()
428 struct buffer_head *bh, *head; in nilfs_page_count_clean_buffers() local
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| D | recovery.c | 306 struct list_head *head) in nilfs_scan_dsync_log() argument
359 list_add_tail(&rb->list, head); in nilfs_scan_dsync_log()
375 static void dispose_recovery_list(struct list_head *head) in dispose_recovery_list() argument
377 while (!list_empty(head)) { in dispose_recovery_list()
380 rb = list_first_entry(head, struct nilfs_recovery_block, list); in dispose_recovery_list()
391 static int nilfs_segment_list_add(struct list_head *head, __u64 segnum) in nilfs_segment_list_add() argument
400 list_add_tail(&ent->list, head); in nilfs_segment_list_add()
404 void nilfs_dispose_segment_list(struct list_head *head) in nilfs_dispose_segment_list() argument
406 while (!list_empty(head)) { in nilfs_dispose_segment_list()
409 ent = list_first_entry(head, struct nilfs_segment_entry, list); in nilfs_dispose_segment_list()
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| /fs/9p/ |
| D | vfs_dir.c | 40 int head; member
108 if (rdir->tail == rdir->head) { in v9fs_dir_readdir()
119 rdir->head = 0; in v9fs_dir_readdir()
122 while (rdir->head < rdir->tail) { in v9fs_dir_readdir()
123 err = p9stat_read(fid->clnt, rdir->buf + rdir->head, in v9fs_dir_readdir()
124 rdir->tail - rdir->head, &st); in v9fs_dir_readdir()
136 rdir->head += err; in v9fs_dir_readdir()
166 if (rdir->tail == rdir->head) { in v9fs_dir_readdir_dotl()
172 rdir->head = 0; in v9fs_dir_readdir_dotl()
176 while (rdir->head < rdir->tail) { in v9fs_dir_readdir_dotl()
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| /fs/hfs/ |
| D | btree.c | 22 struct hfs_btree_header_rec *head; in hfs_btree_open() local
83 head = (struct hfs_btree_header_rec *)(kmap(page) + sizeof(struct hfs_bnode_desc)); in hfs_btree_open()
84 tree->root = be32_to_cpu(head->root); in hfs_btree_open()
85 tree->leaf_count = be32_to_cpu(head->leaf_count); in hfs_btree_open()
86 tree->leaf_head = be32_to_cpu(head->leaf_head); in hfs_btree_open()
87 tree->leaf_tail = be32_to_cpu(head->leaf_tail); in hfs_btree_open()
88 tree->node_count = be32_to_cpu(head->node_count); in hfs_btree_open()
89 tree->free_nodes = be32_to_cpu(head->free_nodes); in hfs_btree_open()
90 tree->attributes = be32_to_cpu(head->attributes); in hfs_btree_open()
91 tree->node_size = be16_to_cpu(head->node_size); in hfs_btree_open()
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| /fs/nfs/ |
| D | write.c | 269 nfs_page_group_search_locked(struct nfs_page *head, unsigned int page_offset) in nfs_page_group_search_locked() argument
273 req = head; in nfs_page_group_search_locked()
280 } while (req != head); in nfs_page_group_search_locked()
386 nfs_unroll_locks(struct inode *inode, struct nfs_page *head, in nfs_unroll_locks() argument
392 for (tmp = head->wb_this_page ; tmp != req; tmp = tmp->wb_this_page) { in nfs_unroll_locks()
470 struct nfs_page *head, *subreq; in nfs_lock_and_join_requests() local
481 head = nfs_page_find_head_request(page); in nfs_lock_and_join_requests()
482 if (!head) in nfs_lock_and_join_requests()
486 if (!nfs_lock_request(head)) { in nfs_lock_and_join_requests()
487 ret = nfs_wait_on_request(head); in nfs_lock_and_join_requests()
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| D | pagelist.c | 147 struct nfs_page *head = req->wb_head; in nfs_page_group_lock() local
149 WARN_ON_ONCE(head != head->wb_head); in nfs_page_group_lock()
151 if (!test_and_set_bit(PG_HEADLOCK, &head->wb_flags)) in nfs_page_group_lock()
154 set_bit(PG_CONTENDED1, &head->wb_flags); in nfs_page_group_lock()
156 return wait_on_bit_lock(&head->wb_flags, PG_HEADLOCK, in nfs_page_group_lock()
167 struct nfs_page *head = req->wb_head; in nfs_page_group_unlock() local
169 WARN_ON_ONCE(head != head->wb_head); in nfs_page_group_unlock()
172 clear_bit(PG_HEADLOCK, &head->wb_flags); in nfs_page_group_unlock()
174 if (!test_bit(PG_CONTENDED1, &head->wb_flags)) in nfs_page_group_unlock()
176 wake_up_bit(&head->wb_flags, PG_HEADLOCK); in nfs_page_group_unlock()
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| /fs/befs/ |
| D | btree.c | 82 befs_host_btree_nodehead head; /* head of node converted to cpu byteorder */ member
214 node->head.left = fs64_to_cpu(sb, node->od_node->left); in befs_bt_read_node()
215 node->head.right = fs64_to_cpu(sb, node->od_node->right); in befs_bt_read_node()
216 node->head.overflow = fs64_to_cpu(sb, node->od_node->overflow); in befs_bt_read_node()
217 node->head.all_key_count = in befs_bt_read_node()
219 node->head.all_key_length = in befs_bt_read_node()
283 node_off = this_node->head.overflow; in befs_btree_find()
345 last = node->head.all_key_count - 1; in befs_find_key()
459 while (key_sum + this_node->head.all_key_count <= key_no) { in befs_btree_read()
462 if (this_node->head.right == BEFS_BT_INVAL) { in befs_btree_read()
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| /fs/btrfs/ |
| D | delayed-ref.c | 395 struct btrfs_delayed_ref_head *head) in btrfs_delayed_ref_lock() argument
398 if (mutex_trylock(&head->mutex)) in btrfs_delayed_ref_lock()
401 refcount_inc(&head->refs); in btrfs_delayed_ref_lock()
404 mutex_lock(&head->mutex); in btrfs_delayed_ref_lock()
406 if (RB_EMPTY_NODE(&head->href_node)) { in btrfs_delayed_ref_lock()
407 mutex_unlock(&head->mutex); in btrfs_delayed_ref_lock()
408 btrfs_put_delayed_ref_head(head); in btrfs_delayed_ref_lock()
411 btrfs_put_delayed_ref_head(head); in btrfs_delayed_ref_lock()
417 struct btrfs_delayed_ref_head *head, in drop_delayed_ref() argument
420 lockdep_assert_held(&head->lock); in drop_delayed_ref()
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| D | extent-tree.c | 154 struct btrfs_delayed_ref_head *head; in btrfs_lookup_extent_info() local
238 head = btrfs_find_delayed_ref_head(delayed_refs, bytenr); in btrfs_lookup_extent_info()
239 if (head) { in btrfs_lookup_extent_info()
240 if (!mutex_trylock(&head->mutex)) { in btrfs_lookup_extent_info()
241 refcount_inc(&head->refs); in btrfs_lookup_extent_info()
250 mutex_lock(&head->mutex); in btrfs_lookup_extent_info()
251 mutex_unlock(&head->mutex); in btrfs_lookup_extent_info()
252 btrfs_put_delayed_ref_head(head); in btrfs_lookup_extent_info()
255 spin_lock(&head->lock); in btrfs_lookup_extent_info()
256 if (head->extent_op && head->extent_op->update_flags) in btrfs_lookup_extent_info()
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| D | delayed-ref.h | 329 static inline void btrfs_put_delayed_ref_head(struct btrfs_delayed_ref_head *head) in btrfs_put_delayed_ref_head() argument
331 if (refcount_dec_and_test(&head->refs)) in btrfs_put_delayed_ref_head()
332 kmem_cache_free(btrfs_delayed_ref_head_cachep, head); in btrfs_put_delayed_ref_head()
348 struct btrfs_delayed_ref_head *head);
354 struct btrfs_delayed_ref_head *head);
355 static inline void btrfs_delayed_ref_unlock(struct btrfs_delayed_ref_head *head) in btrfs_delayed_ref_unlock() argument
357 mutex_unlock(&head->mutex); in btrfs_delayed_ref_unlock()
360 struct btrfs_delayed_ref_head *head);
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| /fs/erofs/ |
| D | namei.c | 51 int head, back; in find_target_dirent() local
56 head = 1; in find_target_dirent()
60 while (head <= back) { in find_target_dirent()
61 const int mid = head + (back - head) / 2; in find_target_dirent()
79 head = mid + 1; in find_target_dirent()
95 int head, back; in find_target_block_classic() local
100 head = 0; in find_target_block_classic()
103 while (head <= back) { in find_target_block_classic()
104 const int mid = head + (back - head) / 2; in find_target_block_classic()
145 head = mid + 1; in find_target_block_classic()
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| /fs/ext4/ |
| D | page-io.c | 70 struct buffer_head *bh, *head; in ext4_finish_bio() local
88 bh = head = page_buffers(page); in ext4_finish_bio()
94 bit_spin_lock(BH_Uptodate_Lock, &head->b_state); in ext4_finish_bio()
105 } while ((bh = bh->b_this_page) != head); in ext4_finish_bio()
106 bit_spin_unlock(BH_Uptodate_Lock, &head->b_state); in ext4_finish_bio()
165 static void dump_completed_IO(struct inode *inode, struct list_head *head) in dump_completed_IO() argument
171 if (list_empty(head)) in dump_completed_IO()
175 list_for_each_entry(io, head, list) { in dump_completed_IO()
208 struct list_head *head) in ext4_do_flush_completed_IO() argument
217 dump_completed_IO(inode, head); in ext4_do_flush_completed_IO()
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| D | fsmap.c | 624 int ext4_getfsmap(struct super_block *sb, struct ext4_fsmap_head *head, in ext4_getfsmap() argument
633 if (head->fmh_iflags & ~FMH_IF_VALID) in ext4_getfsmap()
635 if (!ext4_getfsmap_is_valid_device(sb, &head->fmh_keys[0]) || in ext4_getfsmap()
636 !ext4_getfsmap_is_valid_device(sb, &head->fmh_keys[1])) in ext4_getfsmap()
639 head->fmh_entries = 0; in ext4_getfsmap()
665 dkeys[0] = head->fmh_keys[0]; in ext4_getfsmap()
671 if (!ext4_getfsmap_check_keys(dkeys, &head->fmh_keys[1])) in ext4_getfsmap()
674 info.gfi_next_fsblk = head->fmh_keys[0].fmr_physical + in ext4_getfsmap()
675 head->fmh_keys[0].fmr_length; in ext4_getfsmap()
678 info.gfi_head = head; in ext4_getfsmap()
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| /fs/xfs/ |
| D | xfs_fsmap.c | 156 struct xfs_fsmap_head *head; member
257 if (info->head->fmh_count == 0) { in xfs_getfsmap_helper()
259 info->head->fmh_entries++; in xfs_getfsmap_helper()
264 info->head->fmh_entries++; in xfs_getfsmap_helper()
278 if (info->head->fmh_entries >= info->head->fmh_count) in xfs_getfsmap_helper()
290 info->head->fmh_entries++; in xfs_getfsmap_helper()
297 if (info->head->fmh_entries >= info->head->fmh_count) in xfs_getfsmap_helper()
325 info->head->fmh_entries++; in xfs_getfsmap_helper()
817 struct xfs_fsmap_head *head, in xfs_getfsmap() argument
829 if (head->fmh_iflags & ~FMH_IF_VALID) in xfs_getfsmap()
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| D | xfs_log.c | 43 atomic64_t *head);
119 atomic64_t *head, in xlog_grant_sub_space() argument
122 int64_t head_val = atomic64_read(head); in xlog_grant_sub_space()
138 head_val = atomic64_cmpxchg(head, old, new); in xlog_grant_sub_space()
145 atomic64_t *head, in xlog_grant_add_space() argument
148 int64_t head_val = atomic64_read(head); in xlog_grant_add_space()
167 head_val = atomic64_cmpxchg(head, old, new); in xlog_grant_add_space()
173 struct xlog_grant_head *head) in xlog_grant_head_init() argument
175 xlog_assign_grant_head(&head->grant, 1, 0); in xlog_grant_head_init()
176 INIT_LIST_HEAD(&head->waiters); in xlog_grant_head_init()
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| /fs/nfs/flexfilelayout/ |
| D | flexfilelayoutdev.c | 227 struct list_head *head = &flo->error_list; in ff_layout_add_ds_error_locked() local
237 head = &err->list; in ff_layout_add_ds_error_locked()
247 list_add_tail(&dserr->list, head); in ff_layout_add_ds_error_locked()
459 void ff_layout_free_ds_ioerr(struct list_head *head) in ff_layout_free_ds_ioerr() argument
463 while (!list_empty(head)) { in ff_layout_free_ds_ioerr()
464 err = list_first_entry(head, in ff_layout_free_ds_ioerr()
473 int ff_layout_encode_ds_ioerr(struct xdr_stream *xdr, const struct list_head *head) in ff_layout_encode_ds_ioerr() argument
478 list_for_each_entry(err, head, list) { in ff_layout_encode_ds_ioerr()
508 struct list_head *head, in do_layout_fetch_ds_ioerr() argument
525 list_move(&err->list, head); in do_layout_fetch_ds_ioerr()
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