INIT_LIST_HEAD(&inode->i_data.i_mmap_nonlinear);
i_size_ordered_init(inode);
#ifdef CONFIG_FSNOTIFY
- INIT_HLIST_HEAD(&inode->i_fsnotify_mark_entries);
+ INIT_HLIST_HEAD(&inode->i_fsnotify_marks);
#endif
}
EXPORT_SYMBOL(inode_init_once);
static DEFINE_MUTEX(dnotify_mark_mutex);
/*
- * dnotify will attach one of these to each inode (i_fsnotify_mark_entries) which
+ * dnotify will attach one of these to each inode (i_fsnotify_marks) which
* is being watched by dnotify. If multiple userspace applications are watching
* the same directory with dnotify their information is chained in dn
*/
struct dnotify_mark_entry {
- struct fsnotify_mark_entry fsn_entry;
+ struct fsnotify_mark fsn_entry;
struct dnotify_struct *dn;
};
* it calls the fsnotify function so it can update the set of all events relevant
* to this inode.
*/
-static void dnotify_recalc_inode_mask(struct fsnotify_mark_entry *entry)
+static void dnotify_recalc_inode_mask(struct fsnotify_mark *entry)
{
__u32 new_mask, old_mask;
struct dnotify_struct *dn;
static int dnotify_handle_event(struct fsnotify_group *group,
struct fsnotify_event *event)
{
- struct fsnotify_mark_entry *entry = NULL;
+ struct fsnotify_mark *entry = NULL;
struct dnotify_mark_entry *dnentry;
struct inode *to_tell;
struct dnotify_struct *dn;
struct inode *inode, struct vfsmount *mnt,
__u32 mask, void *data, int data_type)
{
- struct fsnotify_mark_entry *entry;
+ struct fsnotify_mark *entry;
bool send;
/* !dir_notify_enable should never get here, don't waste time checking
return send;
}
-static void dnotify_free_mark(struct fsnotify_mark_entry *entry)
+static void dnotify_free_mark(struct fsnotify_mark *entry)
{
struct dnotify_mark_entry *dnentry = container_of(entry,
struct dnotify_mark_entry,
/*
* Called every time a file is closed. Looks first for a dnotify mark on the
- * inode. If one is found run all of the ->dn entries attached to that
+ * inode. If one is found run all of the ->dn structures attached to that
* mark for one relevant to this process closing the file and remove that
* dnotify_struct. If that was the last dnotify_struct also remove the
- * fsnotify_mark_entry.
+ * fsnotify_mark.
*/
void dnotify_flush(struct file *filp, fl_owner_t id)
{
- struct fsnotify_mark_entry *entry;
+ struct fsnotify_mark *entry;
struct dnotify_mark_entry *dnentry;
struct dnotify_struct *dn;
struct dnotify_struct **prev;
/*
* If multiple processes watch the same inode with dnotify there is only one
- * dnotify mark in inode->i_fsnotify_mark_entries but we chain a dnotify_struct
+ * dnotify mark in inode->i_fsnotify_marks but we chain a dnotify_struct
* onto that mark. This function either attaches the new dnotify_struct onto
* that list, or it |= the mask onto an existing dnofiy_struct.
*/
int fcntl_dirnotify(int fd, struct file *filp, unsigned long arg)
{
struct dnotify_mark_entry *new_dnentry, *dnentry;
- struct fsnotify_mark_entry *new_entry, *entry;
+ struct fsnotify_mark *new_entry, *entry;
struct dnotify_struct *dn;
struct inode *inode;
fl_owner_t id = current->files;
/* if (f != filp) means that we lost a race and another task/thread
* actually closed the fd we are still playing with before we grabbed
* the dnotify_mark_mutex and entry->lock. Since closing the fd is the
- * only time we clean up the mark entries we need to get our mark off
+ * only time we clean up the marks we need to get our mark off
* the list. */
if (f != filp) {
/* if we added ourselves, shoot ourselves, it's possible that
{
__u32 mask = 0;
__u32 old_mask = group->mask;
- struct fsnotify_mark_entry *entry;
+ struct fsnotify_mark *entry;
spin_lock(&group->mark_lock);
- list_for_each_entry(entry, &group->mark_entries, g_list)
+ list_for_each_entry(entry, &group->marks_list, g_list)
mask |= entry->mask;
spin_unlock(&group->mark_lock);
*/
static void fsnotify_destroy_group(struct fsnotify_group *group)
{
- /* clear all inode mark entries for this group */
+ /* clear all inode marks for this group */
fsnotify_clear_marks_by_group(group);
/* past the point of no return, matches the initial value of 1 */
INIT_LIST_HEAD(&group->vfsmount_group_list);
spin_lock_init(&group->mark_lock);
- INIT_LIST_HEAD(&group->mark_entries);
+ INIT_LIST_HEAD(&group->marks_list);
group->ops = ops;
* that lock to dereference either of these things (they could be NULL even with
* the lock)
*
- * group->mark_lock protects the mark_entries list anchored inside a given group
+ * group->mark_lock protects the marks_list anchored inside a given group
* and each entry is hooked via the g_list. It also sorta protects the
* free_g_list, which when used is anchored by a private list on the stack of the
* task which held the group->mark_lock.
*
- * inode->i_lock protects the i_fsnotify_mark_entries list anchored inside a
+ * inode->i_lock protects the i_fsnotify_marks list anchored inside a
* given inode and each entry is hooked via the i_list. (and sorta the
* free_i_list)
*
* need to be cleaned up. (fsnotify_clear_marks_by_group)
*
* Worst case we are given an inode and need to clean up all the marks on that
- * inode. We take i_lock and walk the i_fsnotify_mark_entries safely. For each
+ * inode. We take i_lock and walk the i_fsnotify_marks safely. For each
* mark on the list we take a reference (so the mark can't disappear under us).
* We remove that mark form the inode's list of marks and we add this mark to a
* private list anchored on the stack using i_free_list; At this point we no
#include <linux/fsnotify_backend.h>
#include "fsnotify.h"
-void fsnotify_get_mark(struct fsnotify_mark_entry *entry)
+void fsnotify_get_mark(struct fsnotify_mark *entry)
{
atomic_inc(&entry->refcnt);
}
-void fsnotify_put_mark(struct fsnotify_mark_entry *entry)
+void fsnotify_put_mark(struct fsnotify_mark *entry)
{
if (atomic_dec_and_test(&entry->refcnt))
entry->free_mark(entry);
*/
static void fsnotify_recalc_inode_mask_locked(struct inode *inode)
{
- struct fsnotify_mark_entry *entry;
+ struct fsnotify_mark *entry;
struct hlist_node *pos;
__u32 new_mask = 0;
assert_spin_locked(&inode->i_lock);
- hlist_for_each_entry(entry, pos, &inode->i_fsnotify_mark_entries, i.i_list)
+ hlist_for_each_entry(entry, pos, &inode->i_fsnotify_marks, i.i_list)
new_mask |= entry->mask;
inode->i_fsnotify_mask = new_mask;
}
* The caller had better be holding a reference to this mark so we don't actually
* do the final put under the entry->lock
*/
-void fsnotify_destroy_mark_by_entry(struct fsnotify_mark_entry *entry)
+void fsnotify_destroy_mark_by_entry(struct fsnotify_mark *entry)
{
struct fsnotify_group *group;
struct inode *inode;
fsnotify_put_mark(entry); /* for i_list and g_list */
/*
- * this mark is now off the inode->i_fsnotify_mark_entries list and we
+ * this mark is now off the inode->i_fsnotify_marks list and we
* hold the inode->i_lock, so this is the perfect time to update the
* inode->i_fsnotify_mask
*/
*/
void fsnotify_clear_marks_by_group(struct fsnotify_group *group)
{
- struct fsnotify_mark_entry *lentry, *entry;
+ struct fsnotify_mark *lentry, *entry;
LIST_HEAD(free_list);
spin_lock(&group->mark_lock);
- list_for_each_entry_safe(entry, lentry, &group->mark_entries, g_list) {
+ list_for_each_entry_safe(entry, lentry, &group->marks_list, g_list) {
list_add(&entry->free_g_list, &free_list);
list_del_init(&entry->g_list);
fsnotify_get_mark(entry);
*/
void fsnotify_clear_marks_by_inode(struct inode *inode)
{
- struct fsnotify_mark_entry *entry, *lentry;
+ struct fsnotify_mark *entry, *lentry;
struct hlist_node *pos, *n;
LIST_HEAD(free_list);
spin_lock(&inode->i_lock);
- hlist_for_each_entry_safe(entry, pos, n, &inode->i_fsnotify_mark_entries, i.i_list) {
+ hlist_for_each_entry_safe(entry, pos, n, &inode->i_fsnotify_marks, i.i_list) {
list_add(&entry->i.free_i_list, &free_list);
hlist_del_init(&entry->i.i_list);
fsnotify_get_mark(entry);
* given a group and inode, find the mark associated with that combination.
* if found take a reference to that mark and return it, else return NULL
*/
-struct fsnotify_mark_entry *fsnotify_find_mark_entry(struct fsnotify_group *group,
- struct inode *inode)
+struct fsnotify_mark *fsnotify_find_mark_entry(struct fsnotify_group *group,
+ struct inode *inode)
{
- struct fsnotify_mark_entry *entry;
+ struct fsnotify_mark *entry;
struct hlist_node *pos;
assert_spin_locked(&inode->i_lock);
- hlist_for_each_entry(entry, pos, &inode->i_fsnotify_mark_entries, i.i_list) {
+ hlist_for_each_entry(entry, pos, &inode->i_fsnotify_marks, i.i_list) {
if (entry->group == group) {
fsnotify_get_mark(entry);
return entry;
return NULL;
}
-void fsnotify_duplicate_mark(struct fsnotify_mark_entry *new, struct fsnotify_mark_entry *old)
+void fsnotify_duplicate_mark(struct fsnotify_mark *new, struct fsnotify_mark *old)
{
assert_spin_locked(&old->lock);
new->i.inode = old->i.inode;
/*
* Nothing fancy, just initialize lists and locks and counters.
*/
-void fsnotify_init_mark(struct fsnotify_mark_entry *entry,
- void (*free_mark)(struct fsnotify_mark_entry *entry))
+void fsnotify_init_mark(struct fsnotify_mark *entry,
+ void (*free_mark)(struct fsnotify_mark *entry))
{
spin_lock_init(&entry->lock);
atomic_set(&entry->refcnt, 1);
* These marks may be used for the fsnotify backend to determine which
* event types should be delivered to which group and for which inodes.
*/
-int fsnotify_add_mark(struct fsnotify_mark_entry *entry,
+int fsnotify_add_mark(struct fsnotify_mark *entry,
struct fsnotify_group *group, struct inode *inode,
int allow_dups)
{
- struct fsnotify_mark_entry *lentry = NULL;
+ struct fsnotify_mark *lentry = NULL;
int ret = 0;
inode = igrab(inode);
entry->group = group;
entry->i.inode = inode;
- hlist_add_head(&entry->i.i_list, &inode->i_fsnotify_mark_entries);
- list_add(&entry->g_list, &group->mark_entries);
+ hlist_add_head(&entry->i.i_list, &inode->i_fsnotify_marks);
+ list_add(&entry->g_list, &group->marks_list);
fsnotify_get_mark(entry); /* for i_list and g_list */
};
struct inotify_inode_mark_entry {
- /* fsnotify_mark_entry MUST be the first thing */
- struct fsnotify_mark_entry fsn_entry;
+ /* fsnotify_mark MUST be the first thing */
+ struct fsnotify_mark fsn_entry;
int wd;
};
-extern void inotify_ignored_and_remove_idr(struct fsnotify_mark_entry *entry,
+extern void inotify_ignored_and_remove_idr(struct fsnotify_mark *entry,
struct fsnotify_group *group);
extern void inotify_free_event_priv(struct fsnotify_event_private_data *event_priv);
static int inotify_handle_event(struct fsnotify_group *group, struct fsnotify_event *event)
{
- struct fsnotify_mark_entry *entry;
+ struct fsnotify_mark *entry;
struct inotify_inode_mark_entry *ientry;
struct inode *to_tell;
struct inotify_event_private_data *event_priv;
return ret;
}
-static void inotify_freeing_mark(struct fsnotify_mark_entry *entry, struct fsnotify_group *group)
+static void inotify_freeing_mark(struct fsnotify_mark *entry, struct fsnotify_group *group)
{
inotify_ignored_and_remove_idr(entry, group);
}
struct vfsmount *mnt, __u32 mask, void *data,
int data_type)
{
- struct fsnotify_mark_entry *entry;
+ struct fsnotify_mark *entry;
bool send;
spin_lock(&inode->i_lock);
*/
static int idr_callback(int id, void *p, void *data)
{
- struct fsnotify_mark_entry *entry;
+ struct fsnotify_mark *entry;
struct inotify_inode_mark_entry *ientry;
static bool warned = false;
ientry = idr_find(idr, wd);
if (ientry) {
- struct fsnotify_mark_entry *fsn_entry = &ientry->fsn_entry;
+ struct fsnotify_mark *fsn_entry = &ientry->fsn_entry;
fsnotify_get_mark(fsn_entry);
/* One ref for being in the idr, one ref we just took */
/*
* Send IN_IGNORED for this wd, remove this wd from the idr.
*/
-void inotify_ignored_and_remove_idr(struct fsnotify_mark_entry *entry,
+void inotify_ignored_and_remove_idr(struct fsnotify_mark *entry,
struct fsnotify_group *group)
{
struct inotify_inode_mark_entry *ientry;
}
/* ding dong the mark is dead */
-static void inotify_free_mark(struct fsnotify_mark_entry *entry)
+static void inotify_free_mark(struct fsnotify_mark *entry)
{
struct inotify_inode_mark_entry *ientry;
struct inode *inode,
u32 arg)
{
- struct fsnotify_mark_entry *entry;
+ struct fsnotify_mark *entry;
struct inotify_inode_mark_entry *ientry;
__u32 old_mask, new_mask;
__u32 mask;
#ifdef CONFIG_FSNOTIFY
__u32 i_fsnotify_mask; /* all events this inode cares about */
- struct hlist_head i_fsnotify_mark_entries; /* fsnotify mark entries */
+ struct hlist_head i_fsnotify_marks;
#endif
unsigned long i_state;
* fsnotify_d_instantiate - instantiate a dentry for inode
* Called with dcache_lock held.
*/
-static inline void fsnotify_d_instantiate(struct dentry *entry,
- struct inode *inode)
+static inline void fsnotify_d_instantiate(struct dentry *dentry,
+ struct inode *inode)
{
- __fsnotify_d_instantiate(entry, inode);
+ __fsnotify_d_instantiate(dentry, inode);
}
/* Notify this dentry's parent about a child's events. */
}
/*
- * fsnotify_d_move - entry has been moved
- * Called with dcache_lock and entry->d_lock held.
+ * fsnotify_d_move - dentry has been moved
+ * Called with dcache_lock and dentry->d_lock held.
*/
-static inline void fsnotify_d_move(struct dentry *entry)
+static inline void fsnotify_d_move(struct dentry *dentry)
{
/*
- * On move we need to update entry->d_flags to indicate if the new parent
- * cares about events from this entry.
+ * On move we need to update dentry->d_flags to indicate if the new parent
+ * cares about events from this dentry.
*/
- __fsnotify_update_dcache_flags(entry);
+ __fsnotify_update_dcache_flags(dentry);
}
/*
struct fsnotify_group;
struct fsnotify_event;
-struct fsnotify_mark_entry;
+struct fsnotify_mark;
struct fsnotify_event_private_data;
/*
int data_type);
int (*handle_event)(struct fsnotify_group *group, struct fsnotify_event *event);
void (*free_group_priv)(struct fsnotify_group *group);
- void (*freeing_mark)(struct fsnotify_mark_entry *entry, struct fsnotify_group *group);
+ void (*freeing_mark)(struct fsnotify_mark *entry, struct fsnotify_group *group);
void (*free_event_priv)(struct fsnotify_event_private_data *priv);
};
unsigned int q_len; /* events on the queue */
unsigned int max_events; /* maximum events allowed on the list */
- /* stores all fastapth entries assoc with this group so they can be cleaned on unregister */
- spinlock_t mark_lock; /* protect mark_entries list */
+ /* stores all fastpath marks assoc with this group so they can be cleaned on unregister */
+ spinlock_t mark_lock; /* protect marks_list */
atomic_t num_marks; /* 1 for each mark entry and 1 for not being
* past the point of no return when freeing
* a group */
- struct list_head mark_entries; /* all inode mark entries for this group */
+ struct list_head marks_list; /* all inode marks for this group */
/* prevents double list_del of group_list. protected by global fsnotify_grp_mutex */
bool on_inode_group_list;
};
/*
- * Inode specific fields in an fsnotify_mark_entry
+ * Inode specific fields in an fsnotify_mark
*/
struct fsnotify_inode_mark {
struct inode *inode; /* inode this entry is associated with */
- struct hlist_node i_list; /* list of mark_entries by inode->i_fsnotify_mark_entries */
+ struct hlist_node i_list; /* list of marks by inode->i_fsnotify_marks */
struct list_head free_i_list; /* tmp list used when freeing this mark */
};
/*
- * Mount point specific fields in an fsnotify_mark_entry
+ * Mount point specific fields in an fsnotify_mark
*/
struct fsnotify_vfsmount_mark {
struct vfsmount *mnt; /* inode this entry is associated with */
- struct hlist_node m_list; /* list of mark_entries by inode->i_fsnotify_mark_entries */
+ struct hlist_node m_list; /* list of marks by inode->i_fsnotify_marks */
struct list_head free_m_list; /* tmp list used when freeing this mark */
};
* (such as dnotify) will flush these when the open fd is closed and not at
* inode eviction or modification.
*/
-struct fsnotify_mark_entry {
+struct fsnotify_mark {
__u32 mask; /* mask this mark entry is for */
/* we hold ref for each i_list and g_list. also one ref for each 'thing'
* in kernel that found and may be using this mark. */
atomic_t refcnt; /* active things looking at this mark */
struct fsnotify_group *group; /* group this mark entry is for */
- struct list_head g_list; /* list of mark_entries by group->i_fsnotify_mark_entries */
+ struct list_head g_list; /* list of marks by group->i_fsnotify_marks */
spinlock_t lock; /* protect group and inode */
union {
struct fsnotify_inode_mark i;
#define FSNOTIFY_MARK_FLAG_INODE 0x01
#define FSNOTIFY_MARK_FLAG_VFSMOUNT 0x02
unsigned int flags; /* vfsmount or inode mark? */
- void (*free_mark)(struct fsnotify_mark_entry *entry); /* called on final put+free */
+ void (*free_mark)(struct fsnotify_mark *entry); /* called on final put+free */
};
#ifdef CONFIG_FSNOTIFY
/* run all marks associated with an inode and update inode->i_fsnotify_mask */
extern void fsnotify_recalc_inode_mask(struct inode *inode);
-extern void fsnotify_init_mark(struct fsnotify_mark_entry *entry, void (*free_mark)(struct fsnotify_mark_entry *entry));
+extern void fsnotify_init_mark(struct fsnotify_mark *entry, void (*free_mark)(struct fsnotify_mark *entry));
/* find (and take a reference) to a mark associated with group and inode */
-extern struct fsnotify_mark_entry *fsnotify_find_mark_entry(struct fsnotify_group *group, struct inode *inode);
+extern struct fsnotify_mark *fsnotify_find_mark_entry(struct fsnotify_group *group, struct inode *inode);
/* copy the values from old into new */
-extern void fsnotify_duplicate_mark(struct fsnotify_mark_entry *new, struct fsnotify_mark_entry *old);
+extern void fsnotify_duplicate_mark(struct fsnotify_mark *new, struct fsnotify_mark *old);
/* attach the mark to both the group and the inode */
-extern int fsnotify_add_mark(struct fsnotify_mark_entry *entry, struct fsnotify_group *group, struct inode *inode, int allow_dups);
+extern int fsnotify_add_mark(struct fsnotify_mark *entry, struct fsnotify_group *group, struct inode *inode, int allow_dups);
/* given a mark, flag it to be freed when all references are dropped */
-extern void fsnotify_destroy_mark_by_entry(struct fsnotify_mark_entry *entry);
+extern void fsnotify_destroy_mark_by_entry(struct fsnotify_mark *entry);
/* run all the marks in a group, and flag them to be freed */
extern void fsnotify_clear_marks_by_group(struct fsnotify_group *group);
-extern void fsnotify_get_mark(struct fsnotify_mark_entry *entry);
-extern void fsnotify_put_mark(struct fsnotify_mark_entry *entry);
+extern void fsnotify_get_mark(struct fsnotify_mark *entry);
+extern void fsnotify_put_mark(struct fsnotify_mark *entry);
extern void fsnotify_unmount_inodes(struct list_head *list);
/* put here because inotify does some weird stuff when destroying watches */
struct audit_chunk {
struct list_head hash;
- struct fsnotify_mark_entry mark;
+ struct fsnotify_mark mark;
struct list_head trees; /* with root here */
int dead;
int count;
audit_put_chunk(chunk);
}
-static void audit_tree_destroy_watch(struct fsnotify_mark_entry *entry)
+static void audit_tree_destroy_watch(struct fsnotify_mark *entry)
{
struct audit_chunk *chunk = container_of(entry, struct audit_chunk, mark);
call_rcu(&chunk->head, __put_chunk);
/* hash_lock & entry->lock is held by caller */
static void insert_hash(struct audit_chunk *chunk)
{
- struct fsnotify_mark_entry *entry = &chunk->mark;
+ struct fsnotify_mark *entry = &chunk->mark;
struct list_head *list;
if (!entry->i.inode)
static void untag_chunk(struct node *p)
{
struct audit_chunk *chunk = find_chunk(p);
- struct fsnotify_mark_entry *entry = &chunk->mark;
+ struct fsnotify_mark *entry = &chunk->mark;
struct audit_chunk *new;
struct audit_tree *owner;
int size = chunk->count - 1;
static int create_chunk(struct inode *inode, struct audit_tree *tree)
{
- struct fsnotify_mark_entry *entry;
+ struct fsnotify_mark *entry;
struct audit_chunk *chunk = alloc_chunk(1);
if (!chunk)
return -ENOMEM;
/* the first tagged inode becomes root of tree */
static int tag_chunk(struct inode *inode, struct audit_tree *tree)
{
- struct fsnotify_mark_entry *old_entry, *chunk_entry;
+ struct fsnotify_mark *old_entry, *chunk_entry;
struct audit_tree *owner;
struct audit_chunk *chunk, *old;
struct node *p;
return -EOPNOTSUPP;
}
-static void audit_tree_freeing_mark(struct fsnotify_mark_entry *entry, struct fsnotify_group *group)
+static void audit_tree_freeing_mark(struct fsnotify_mark *entry, struct fsnotify_group *group)
{
struct audit_chunk *chunk = container_of(entry, struct audit_chunk, mark);
struct audit_parent {
struct list_head watches; /* anchor for audit_watch->wlist */
- struct fsnotify_mark_entry mark; /* fsnotify mark on the inode */
+ struct fsnotify_mark mark; /* fsnotify mark on the inode */
};
/* fsnotify handle. */
kfree(parent);
}
-static void audit_watch_free_mark(struct fsnotify_mark_entry *entry)
+static void audit_watch_free_mark(struct fsnotify_mark *entry)
{
struct audit_parent *parent;
static inline struct audit_parent *audit_find_parent(struct inode *inode)
{
struct audit_parent *parent = NULL;
- struct fsnotify_mark_entry *entry;
+ struct fsnotify_mark *entry;
spin_lock(&inode->i_lock);
entry = fsnotify_find_mark_entry(audit_watch_group, inode);
struct vfsmount *mnt, __u32 mask, void *data,
int data_type)
{
- struct fsnotify_mark_entry *entry;
+ struct fsnotify_mark *entry;
bool send;
spin_lock(&inode->i_lock);
struct audit_tree_refs *p;
struct audit_chunk *chunk;
int count;
- if (likely(hlist_empty(&inode->i_fsnotify_mark_entries)))
+ if (likely(hlist_empty(&inode->i_fsnotify_marks)))
return;
context = current->audit_context;
p = context->trees;
seq = read_seqbegin(&rename_lock);
for(;;) {
struct inode *inode = d->d_inode;
- if (inode && unlikely(!hlist_empty(&inode->i_fsnotify_mark_entries))) {
+ if (inode && unlikely(!hlist_empty(&inode->i_fsnotify_marks))) {
struct audit_chunk *chunk;
chunk = audit_tree_lookup(inode);
if (chunk) {
git://bbs.cooldavid.org / net-next-2.6.git / commitdiff