diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/dcache.h | 41 | ||||
| -rw-r--r-- | include/linux/fs.h | 8 | ||||
| -rw-r--r-- | include/linux/fsnotify.h | 12 | ||||
| -rw-r--r-- | include/linux/fsnotify_backend.h | 20 | ||||
| -rw-r--r-- | include/linux/quota.h | 4 | ||||
| -rw-r--r-- | include/linux/stringhash.h | 12 | ||||
| -rw-r--r-- | include/linux/sunrpc/svcauth.h | 4 |
7 files changed, 36 insertions, 65 deletions
diff --git a/include/linux/dcache.h b/include/linux/dcache.h index f53fa055021a..98044a8d1487 100644 --- a/include/linux/dcache.h +++ b/include/linux/dcache.h @@ -133,14 +133,15 @@ struct dentry_operations { int (*d_compare)(const struct dentry *, const struct dentry *, unsigned int, const char *, const struct qstr *); int (*d_delete)(const struct dentry *); + int (*d_init)(struct dentry *); void (*d_release)(struct dentry *); void (*d_prune)(struct dentry *); void (*d_iput)(struct dentry *, struct inode *); char *(*d_dname)(struct dentry *, char *, int); struct vfsmount *(*d_automount)(struct path *); int (*d_manage)(struct dentry *, bool); - struct inode *(*d_select_inode)(struct dentry *, unsigned); - struct dentry *(*d_real)(struct dentry *, struct inode *); + struct dentry *(*d_real)(struct dentry *, const struct inode *, + unsigned int); } ____cacheline_aligned; /* @@ -206,10 +207,8 @@ struct dentry_operations { #define DCACHE_MAY_FREE 0x00800000 #define DCACHE_FALLTHRU 0x01000000 /* Fall through to lower layer */ -#define DCACHE_OP_SELECT_INODE 0x02000000 /* Unioned entry: dcache op selects inode */ - -#define DCACHE_ENCRYPTED_WITH_KEY 0x04000000 /* dir is encrypted with a valid key */ -#define DCACHE_OP_REAL 0x08000000 +#define DCACHE_ENCRYPTED_WITH_KEY 0x02000000 /* dir is encrypted with a valid key */ +#define DCACHE_OP_REAL 0x04000000 #define DCACHE_PAR_LOOKUP 0x10000000 /* being looked up (with parent locked shared) */ #define DCACHE_DENTRY_CURSOR 0x20000000 @@ -557,25 +556,27 @@ static inline struct dentry *d_backing_dentry(struct dentry *upper) return upper; } -static inline struct dentry *d_real(struct dentry *dentry) +/** + * d_real - Return the real dentry + * @dentry: the dentry to query + * @inode: inode to select the dentry from multiple layers (can be NULL) + * @flags: open flags to control copy-up behavior + * + * If dentry is on an union/overlay, then return the underlying, real dentry. + * Otherwise return the dentry itself. + * + * See also: Documentation/filesystems/vfs.txt + */ +static inline struct dentry *d_real(struct dentry *dentry, + const struct inode *inode, + unsigned int flags) { if (unlikely(dentry->d_flags & DCACHE_OP_REAL)) - return dentry->d_op->d_real(dentry, NULL); + return dentry->d_op->d_real(dentry, inode, flags); else return dentry; } -static inline struct inode *vfs_select_inode(struct dentry *dentry, - unsigned open_flags) -{ - struct inode *inode = d_inode(dentry); - - if (inode && unlikely(dentry->d_flags & DCACHE_OP_SELECT_INODE)) - inode = dentry->d_op->d_select_inode(dentry, open_flags); - - return inode; -} - /** * d_real_inode - Return the real inode * @dentry: The dentry to query @@ -585,7 +586,7 @@ static inline struct inode *vfs_select_inode(struct dentry *dentry, */ static inline struct inode *d_real_inode(struct dentry *dentry) { - return d_backing_inode(d_real(dentry)); + return d_backing_inode(d_real(dentry, NULL, 0)); } diff --git a/include/linux/fs.h b/include/linux/fs.h index f2a69f20926f..50ccf845b56c 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -457,7 +457,6 @@ struct block_device { struct inode * bd_inode; /* will die */ struct super_block * bd_super; struct mutex bd_mutex; /* open/close mutex */ - struct list_head bd_inodes; void * bd_claiming; void * bd_holder; int bd_holders; @@ -1271,12 +1270,7 @@ static inline struct inode *file_inode(const struct file *f) static inline struct dentry *file_dentry(const struct file *file) { - struct dentry *dentry = file->f_path.dentry; - - if (unlikely(dentry->d_flags & DCACHE_OP_REAL)) - return dentry->d_op->d_real(dentry, file_inode(file)); - else - return dentry; + return d_real(file->f_path.dentry, file_inode(file), 0); } static inline int locks_lock_file_wait(struct file *filp, struct file_lock *fl) diff --git a/include/linux/fsnotify.h b/include/linux/fsnotify.h index 0141f257d67b..eed9e853a06f 100644 --- a/include/linux/fsnotify.h +++ b/include/linux/fsnotify.h @@ -52,18 +52,6 @@ static inline int fsnotify_perm(struct file *file, int mask) } /* - * fsnotify_d_move - dentry has been moved - */ -static inline void fsnotify_d_move(struct dentry *dentry) -{ - /* - * 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(dentry); -} - -/* * fsnotify_link_count - inode's link count changed */ static inline void fsnotify_link_count(struct inode *inode) diff --git a/include/linux/fsnotify_backend.h b/include/linux/fsnotify_backend.h index 29f917517299..58205f33af02 100644 --- a/include/linux/fsnotify_backend.h +++ b/include/linux/fsnotify_backend.h @@ -267,10 +267,8 @@ static inline int fsnotify_inode_watches_children(struct inode *inode) * Update the dentry with a flag indicating the interest of its parent to receive * filesystem events when those events happens to this dentry->d_inode. */ -static inline void __fsnotify_update_dcache_flags(struct dentry *dentry) +static inline void fsnotify_update_flags(struct dentry *dentry) { - struct dentry *parent; - assert_spin_locked(&dentry->d_lock); /* @@ -280,21 +278,12 @@ static inline void __fsnotify_update_dcache_flags(struct dentry *dentry) * find our entry, so it will spin until we complete here, and update * us with the new state. */ - parent = dentry->d_parent; - if (parent->d_inode && fsnotify_inode_watches_children(parent->d_inode)) + if (fsnotify_inode_watches_children(dentry->d_parent->d_inode)) dentry->d_flags |= DCACHE_FSNOTIFY_PARENT_WATCHED; else dentry->d_flags &= ~DCACHE_FSNOTIFY_PARENT_WATCHED; } -/* - * fsnotify_d_instantiate - instantiate a dentry for inode - */ -static inline void __fsnotify_d_instantiate(struct dentry *dentry) -{ - __fsnotify_update_dcache_flags(dentry); -} - /* called from fsnotify listeners, such as fanotify or dnotify */ /* create a new group */ @@ -386,10 +375,7 @@ static inline void __fsnotify_inode_delete(struct inode *inode) static inline void __fsnotify_vfsmount_delete(struct vfsmount *mnt) {} -static inline void __fsnotify_update_dcache_flags(struct dentry *dentry) -{} - -static inline void __fsnotify_d_instantiate(struct dentry *dentry) +static inline void fsnotify_update_flags(struct dentry *dentry) {} static inline u32 fsnotify_get_cookie(void) diff --git a/include/linux/quota.h b/include/linux/quota.h index 9dfb6bce8c9e..8486d27cf360 100644 --- a/include/linux/quota.h +++ b/include/linux/quota.h @@ -200,8 +200,8 @@ struct mem_dqblk { qsize_t dqb_ihardlimit; /* absolute limit on allocated inodes */ qsize_t dqb_isoftlimit; /* preferred inode limit */ qsize_t dqb_curinodes; /* current # allocated inodes */ - time_t dqb_btime; /* time limit for excessive disk use */ - time_t dqb_itime; /* time limit for excessive inode use */ + time64_t dqb_btime; /* time limit for excessive disk use */ + time64_t dqb_itime; /* time limit for excessive inode use */ }; /* diff --git a/include/linux/stringhash.h b/include/linux/stringhash.h index 451771d9b9c0..7c2d95170d01 100644 --- a/include/linux/stringhash.h +++ b/include/linux/stringhash.h @@ -3,6 +3,7 @@ #include <linux/compiler.h> /* For __pure */ #include <linux/types.h> /* For u32, u64 */ +#include <linux/hash.h> /* * Routines for hashing strings of bytes to a 32-bit hash value. @@ -34,7 +35,7 @@ */ /* Hash courtesy of the R5 hash in reiserfs modulo sign bits */ -#define init_name_hash() 0 +#define init_name_hash(salt) (unsigned long)(salt) /* partial hash update function. Assume roughly 4 bits per character */ static inline unsigned long @@ -45,11 +46,12 @@ partial_name_hash(unsigned long c, unsigned long prevhash) /* * Finally: cut down the number of bits to a int value (and try to avoid - * losing bits) + * losing bits). This also has the property (wanted by the dcache) + * that the msbits make a good hash table index. */ static inline unsigned long end_name_hash(unsigned long hash) { - return (unsigned int)hash; + return __hash_32((unsigned int)hash); } /* @@ -60,7 +62,7 @@ static inline unsigned long end_name_hash(unsigned long hash) * * If not set, this falls back to a wrapper around the preceding. */ -extern unsigned int __pure full_name_hash(const char *, unsigned int); +extern unsigned int __pure full_name_hash(const void *salt, const char *, unsigned int); /* * A hash_len is a u64 with the hash of a string in the low @@ -71,6 +73,6 @@ extern unsigned int __pure full_name_hash(const char *, unsigned int); #define hashlen_create(hash, len) ((u64)(len)<<32 | (u32)(hash)) /* Return the "hash_len" (hash and length) of a null-terminated string */ -extern u64 __pure hashlen_string(const char *name); +extern u64 __pure hashlen_string(const void *salt, const char *name); #endif /* __LINUX_STRINGHASH_H */ diff --git a/include/linux/sunrpc/svcauth.h b/include/linux/sunrpc/svcauth.h index 91d5a5d6f52b..d03932055328 100644 --- a/include/linux/sunrpc/svcauth.h +++ b/include/linux/sunrpc/svcauth.h @@ -172,12 +172,12 @@ extern void unix_gid_cache_destroy(struct net *net); */ static inline unsigned long hash_str(char const *name, int bits) { - return hashlen_hash(hashlen_string(name)) >> (32 - bits); + return hashlen_hash(hashlen_string(NULL, name)) >> (32 - bits); } static inline unsigned long hash_mem(char const *buf, int length, int bits) { - return full_name_hash(buf, length) >> (32 - bits); + return full_name_hash(NULL, buf, length) >> (32 - bits); } #endif /* __KERNEL__ */ |