dir.c (60bcc88ad185d512f5718f2f8dcccb483ea8fb73) dir.c (f75fdf22b0a84702d1b72fc1ccd53dcdde121c16)
1/*
2 FUSE: Filesystem in Userspace
3 Copyright (C) 2001-2008 Miklos Szeredi <miklos@szeredi.hu>
4
5 This program can be distributed under the terms of the GNU GPL.
6 See the file COPYING.
7*/
8

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34
35static void fuse_advise_use_readdirplus(struct inode *dir)
36{
37 struct fuse_inode *fi = get_fuse_inode(dir);
38
39 set_bit(FUSE_I_ADVISE_RDPLUS, &fi->state);
40}
41
1/*
2 FUSE: Filesystem in Userspace
3 Copyright (C) 2001-2008 Miklos Szeredi <miklos@szeredi.hu>
4
5 This program can be distributed under the terms of the GNU GPL.
6 See the file COPYING.
7*/
8

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34
35static void fuse_advise_use_readdirplus(struct inode *dir)
36{
37 struct fuse_inode *fi = get_fuse_inode(dir);
38
39 set_bit(FUSE_I_ADVISE_RDPLUS, &fi->state);
40}
41
42#if BITS_PER_LONG >= 64
42union fuse_dentry {
43 u64 time;
44 struct rcu_head rcu;
45};
46
43static inline void fuse_dentry_settime(struct dentry *entry, u64 time)
44{
47static inline void fuse_dentry_settime(struct dentry *entry, u64 time)
48{
45 entry->d_time = time;
49 ((union fuse_dentry *) entry->d_fsdata)->time = time;
46}
47
48static inline u64 fuse_dentry_time(struct dentry *entry)
49{
50}
51
52static inline u64 fuse_dentry_time(struct dentry *entry)
53{
50 return entry->d_time;
54 return ((union fuse_dentry *) entry->d_fsdata)->time;
51}
55}
52#else
53/*
54 * On 32 bit archs store the high 32 bits of time in d_fsdata
55 */
56static void fuse_dentry_settime(struct dentry *entry, u64 time)
57{
58 entry->d_time = time;
59 entry->d_fsdata = (void *) (unsigned long) (time >> 32);
60}
61
56
62static u64 fuse_dentry_time(struct dentry *entry)
63{
64 return (u64) entry->d_time +
65 ((u64) (unsigned long) entry->d_fsdata << 32);
66}
67#endif
68
69/*
70 * FUSE caches dentries and attributes with separate timeout. The
71 * time in jiffies until the dentry/attributes are valid is stored in
57/*
58 * FUSE caches dentries and attributes with separate timeout. The
59 * time in jiffies until the dentry/attributes are valid is stored in
72 * dentry->d_time and fuse_inode->i_time respectively.
60 * dentry->d_fsdata and fuse_inode->i_time respectively.
73 */
74
75/*
76 * Calculate the time in jiffies until a dentry/attributes are valid
77 */
78static u64 time_to_jiffies(unsigned long sec, unsigned long nsec)
79{
80 if (sec || nsec) {

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270 goto out;
271}
272
273static int invalid_nodeid(u64 nodeid)
274{
275 return !nodeid || nodeid == FUSE_ROOT_ID;
276}
277
61 */
62
63/*
64 * Calculate the time in jiffies until a dentry/attributes are valid
65 */
66static u64 time_to_jiffies(unsigned long sec, unsigned long nsec)
67{
68 if (sec || nsec) {

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258 goto out;
259}
260
261static int invalid_nodeid(u64 nodeid)
262{
263 return !nodeid || nodeid == FUSE_ROOT_ID;
264}
265
266static int fuse_dentry_init(struct dentry *dentry)
267{
268 dentry->d_fsdata = kzalloc(sizeof(union fuse_dentry), GFP_KERNEL);
269
270 return dentry->d_fsdata ? 0 : -ENOMEM;
271}
272static void fuse_dentry_release(struct dentry *dentry)
273{
274 union fuse_dentry *fd = dentry->d_fsdata;
275
276 kfree_rcu(fd, rcu);
277}
278
278const struct dentry_operations fuse_dentry_operations = {
279 .d_revalidate = fuse_dentry_revalidate,
279const struct dentry_operations fuse_dentry_operations = {
280 .d_revalidate = fuse_dentry_revalidate,
281 .d_init = fuse_dentry_init,
282 .d_release = fuse_dentry_release,
280};
281
282int fuse_valid_type(int m)
283{
284 return S_ISREG(m) || S_ISDIR(m) || S_ISLNK(m) || S_ISCHR(m) ||
285 S_ISBLK(m) || S_ISFIFO(m) || S_ISSOCK(m);
286}
287

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284
285int fuse_valid_type(int m)
286{
287 return S_ISREG(m) || S_ISDIR(m) || S_ISLNK(m) || S_ISCHR(m) ||
288 S_ISBLK(m) || S_ISFIFO(m) || S_ISSOCK(m);
289}
290

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