-diff -rupN --exclude='ide*' linux-2.4.20.orig/include/linux/mm.h linux-2.4.20/include/linux/mm.h
---- linux-2.4.20.orig/include/linux/mm.h 2004-02-10 11:43:10.000000000 +0200
-+++ linux-2.4.20/include/linux/mm.h 2004-03-01 13:44:45.000000000 +0200
-@@ -468,7 +468,8 @@ extern void clear_page_tables(struct mm_
- extern int fail_writepage(struct page *);
- struct page * shmem_nopage(struct vm_area_struct * vma, unsigned long address, int unused);
- struct file *shmem_file_setup(char * name, loff_t size);
--int shmem_getpage(struct inode * inode, unsigned long idx, struct page **ptr);
-+struct page *shmem_getpage_locked(struct inode *inode, unsigned long idx);
-+struct page *shmem_getpage_unlocked(struct inode *inode, unsigned long idx);
- extern void shmem_lock(struct file * file, int lock);
- extern int shmem_zero_setup(struct vm_area_struct *);
-
-diff -rupN --exclude='ide*' linux-2.4.20.orig/include/linux/shmem_fs.h linux-2.4.20/include/linux/shmem_fs.h
---- linux-2.4.20.orig/include/linux/shmem_fs.h 2004-02-10 18:39:17.000000000 +0200
-+++ linux-2.4.20/include/linux/shmem_fs.h 2004-02-23 12:40:28.000000000 +0200
-@@ -7,6 +7,9 @@
-
- #define SHMEM_NR_DIRECT 16
-
-+#define SHMEM_MOUNT_IOPEN 0x8000 /* Allow access via iopen */
-+#define SHMEM_MOUNT_IOPEN_NOPRIV 0x10000 /* Make iopen world-readable */
-+
- /*
- * A swap entry has to fit into a "unsigned long", as
- * the entry is hidden in the "index" field of the
-@@ -38,6 +41,9 @@ struct shmem_inode_info {
- };
-
- struct shmem_sb_info {
-+ struct dentry *iopen;
-+ unsigned long options;
-+ unsigned long root_ino;
- unsigned long max_blocks; /* How many blocks are allowed */
- unsigned long free_blocks; /* How many are left for allocation */
- unsigned long max_inodes; /* How many inodes are allowed */
-@@ -59,11 +65,9 @@ shmem_xattr_find(struct inode *inode, co
- extern ssize_t
- shmem_xattr_set(struct inode *inode, const char *name,
- const void *value, u16 valuelen, int flags);
--
- extern ssize_t
- shmem_xattr_get(struct inode *inode, const char *name,
- void *value, size_t valuelen);
--
- extern int
- shmem_xattr_delete(struct inode *inode, struct shmem_xattr *xattr);
-
-diff -rupN --exclude='ide*' linux-2.4.20.orig/mm/shmem.c linux-2.4.20/mm/shmem.c
---- linux-2.4.20.orig/mm/shmem.c 2004-02-10 18:44:05.000000000 +0200
-+++ linux-2.4.20/mm/shmem.c 2004-03-01 14:37:21.000000000 +0200
-@@ -36,29 +36,45 @@
- #define TMPFS_MAGIC 0x01021994
-
- #define ENTRIES_PER_PAGE (PAGE_CACHE_SIZE/sizeof(unsigned long))
-+
- #define BLOCKS_PER_PAGE (PAGE_CACHE_SIZE/512)
-
--#define SHMEM_MAX_INDEX (SHMEM_NR_DIRECT + ENTRIES_PER_PAGE * (ENTRIES_PER_PAGE/2) * (ENTRIES_PER_PAGE+1))
-+#define SHMEM_MAX_INDEX (SHMEM_NR_DIRECT + ENTRIES_PER_PAGE * \
-+ (ENTRIES_PER_PAGE/2) * (ENTRIES_PER_PAGE+1))
-+
- #define SHMEM_MAX_BYTES ((unsigned long long)SHMEM_MAX_INDEX << PAGE_CACHE_SHIFT)
- #define VM_ACCT(size) (((size) + PAGE_CACHE_SIZE - 1) >> PAGE_SHIFT)
-
- /* Pretend that each entry is of this size in directory's i_size */
--#define BOGO_DIRENT_SIZE 20
--
-+#define BOGO_DIRENT_SIZE (20)
- #define SHMEM_SB(sb) (&sb->u.shmem_sb)
-
-+#define SHMEM_IOPEN_INO 2
-+#define SHMEM_IOPEN_NAME_LEN 32
-+
-+#define ASSERT(cond) \
-+do { \
-+ if (!(cond)) { \
-+ printk (KERN_EMERG \
-+ "Assertion failure in %s() at %s:%d: \"%s\"\n", \
-+ __FUNCTION__, __FILE__, __LINE__, # cond); \
-+ BUG(); \
-+ } \
-+} while (0)
-+
- static struct super_operations shmem_ops;
-+static struct vm_operations_struct shmem_vm_ops;
- static struct address_space_operations shmem_aops;
- static struct file_operations shmem_file_operations;
- static struct inode_operations shmem_inode_operations;
- static struct inode_operations shmem_dir_inode_operations;
--static struct vm_operations_struct shmem_vm_ops;
-
- LIST_HEAD (shmem_inodes);
- static spinlock_t shmem_ilock = SPIN_LOCK_UNLOCKED;
- atomic_t shmem_nrpages = ATOMIC_INIT(0); /* Not used right now */
-
--static struct page *shmem_getpage_locked(struct shmem_inode_info *, struct inode *, unsigned long);
-+struct page *shmem_getpage_locked(struct inode *inode, unsigned long idx);
-+struct page *shmem_getpage_unlocked(struct inode *inode, unsigned long idx);
-
- #ifdef CONFIG_TMPFS
- static struct inode_operations shmem_symlink_inode_operations;
-@@ -327,7 +343,7 @@ shmem_getxattr(struct dentry *dentry, co
- * inode attributes list.*/
- static int
- shmem_setxattr(struct dentry *dentry, const char *name,
-- void *value, size_t valuelen, int flags)
-+ const void *value, size_t valuelen, int flags)
- {
- int error;
- struct inode *inode = dentry->d_inode;
-@@ -404,8 +420,8 @@ shmem_listxattr(struct dentry *dentry, c
- * @inode: inode to recalc
- * @swap: additional swap pages freed externally
- *
-- * We have to calculate the free blocks since the mm can drop pages
-- * behind our back
-+ * We have to calculate the free blocks since the mm can drop pages behind our
-+ * back
- *
- * But we know that normally
- * inodes->i_blocks/BLOCKS_PER_PAGE ==
-@@ -441,24 +457,23 @@ static void shmem_recalc_inode(struct in
- * @page: optional page to add to the structure. Has to be preset to
- * all zeros
- *
-- * If there is no space allocated yet it will return -ENOMEM when
-- * page == 0 else it will use the page for the needed block.
-+ * If there is no space allocated yet it will return -ENOMEM when page == 0 else
-+ * it will use the page for the needed block.
- *
- * returns -EFBIG if the index is too big.
- *
- *
- * The swap vector is organized the following way:
- *
-- * There are SHMEM_NR_DIRECT entries directly stored in the
-- * shmem_inode_info structure. So small files do not need an addional
-- * allocation.
-- *
-- * For pages with index > SHMEM_NR_DIRECT there is the pointer
-- * i_indirect which points to a page which holds in the first half
-- * doubly indirect blocks, in the second half triple indirect blocks:
-+ * There are SHMEM_NR_DIRECT entries directly stored in the shmem_inode_info
-+ * structure. So small files do not need an addional allocation.
-+ *
-+ * For pages with index > SHMEM_NR_DIRECT there is the pointer i_indirect which
-+ * points to a page which holds in the first half doubly indirect blocks, in the
-+ * second half triple indirect blocks:
- *
-- * For an artificial ENTRIES_PER_PAGE = 4 this would lead to the
-- * following layout (for SHMEM_NR_DIRECT == 16):
-+ * For an artificial ENTRIES_PER_PAGE = 4 this would lead to the following
-+ * layout (for SHMEM_NR_DIRECT == 16):
- *
- * i_indirect -> dir --> 16-19
- * | +-> 20-23
-@@ -473,7 +488,9 @@ static void shmem_recalc_inode(struct in
- * +-> 48-51
- * +-> 52-55
- */
--static swp_entry_t * shmem_swp_entry (struct shmem_inode_info *info, unsigned long index, unsigned long page)
-+static swp_entry_t *
-+shmem_swp_entry (struct shmem_inode_info *info, unsigned long index,
-+ unsigned long page)
- {
- unsigned long offset;
- void **dir;
-@@ -520,7 +537,8 @@ static swp_entry_t * shmem_swp_entry (st
- * @info: info structure for the inode
- * @index: index of the page to find
- */
--static inline swp_entry_t * shmem_alloc_entry (struct shmem_inode_info *info, unsigned long index)
-+static inline swp_entry_t *
-+shmem_alloc_entry(struct shmem_inode_info *info, unsigned long index)
- {
- unsigned long page = 0;
- swp_entry_t * res;
-@@ -545,7 +563,8 @@ static inline swp_entry_t * shmem_alloc_
- * @dir: pointer to the directory
- * @count: number of entries to scan
- */
--static int shmem_free_swp(swp_entry_t *dir, unsigned int count)
-+static int
-+shmem_free_swp(swp_entry_t *dir, unsigned int count)
- {
- swp_entry_t *ptr, entry;
- int freed = 0;
-@@ -573,7 +592,9 @@ static int shmem_free_swp(swp_entry_t *d
- */
-
- static inline unsigned long
--shmem_truncate_direct(swp_entry_t *** dir, unsigned long start, unsigned long len) {
-+shmem_truncate_direct(swp_entry_t ***dir, unsigned long start,
-+ unsigned long len)
-+{
- swp_entry_t **last, **ptr;
- unsigned long off, freed = 0;
-
-@@ -639,7 +660,8 @@ shmem_truncate_indirect(struct shmem_ino
- BUG();
-
- baseidx = max & ~(ENTRIES_PER_PAGE*ENTRIES_PER_PAGE-1);
-- base = (swp_entry_t ***) info->i_indirect + ENTRIES_PER_PAGE/2 + baseidx/ENTRIES_PER_PAGE/ENTRIES_PER_PAGE ;
-+ base = (swp_entry_t ***) info->i_indirect + ENTRIES_PER_PAGE/2 +
-+ baseidx/ENTRIES_PER_PAGE/ENTRIES_PER_PAGE ;
- len = max - baseidx + 1;
- baseidx += ENTRIES_PER_PAGE*ENTRIES_PER_PAGE/2+SHMEM_NR_DIRECT;
- }
-@@ -654,7 +676,8 @@ shmem_truncate_indirect(struct shmem_ino
- return shmem_truncate_direct(base, start, len);
- }
-
--static void shmem_truncate (struct inode * inode)
-+static void
-+shmem_truncate(struct inode *inode)
- {
- unsigned long index;
- unsigned long partial;
-@@ -668,16 +691,16 @@ static void shmem_truncate (struct inode
- partial = inode->i_size & ~PAGE_CACHE_MASK;
-
- if (partial) {
-- swp_entry_t *entry = shmem_swp_entry(info, index-1, 0);
- struct page *page;
-- /*
-- * This check is racy: it's faintly possible that page
-- * was assigned to swap during truncate_inode_pages,
-- * and now assigned to file; but better than nothing.
-+ swp_entry_t *entry = shmem_swp_entry(info, index - 1, 0);
-+
-+ /* This check is racy: it's faintly possible that page was
-+ * assigned to swap during truncate_inode_pages, and now
-+ * assigned to file; but better than nothing.
- */
- if (!IS_ERR(entry) && entry->val) {
- spin_unlock(&info->lock);
-- page = shmem_getpage_locked(info, inode, index-1);
-+ page = shmem_getpage_locked(inode, index - 1);
- if (!IS_ERR(page)) {
- memclear_highpage_flush(page, partial,
- PAGE_CACHE_SIZE - partial);
-@@ -697,8 +720,166 @@ static void shmem_truncate (struct inode
- up(&info->sem);
- }
-
--static void shmem_delete_inode(struct inode * inode)
-+static struct inode *
-+shmem_find_inode(struct super_block *sb, long int ino)
-+{
-+ struct list_head *p;
-+ struct inode *inode = NULL;
-+ struct shmem_inode_info *info;
-+
-+ spin_lock (&shmem_ilock);
-+ list_for_each(p, &shmem_inodes) {
-+ info = list_entry(p, struct shmem_inode_info, list);
-+
-+ if (info->inode->i_ino == ino &&
-+ info->inode->i_sb == sb)
-+ {
-+ inode = info->inode;
-+ break;
-+ }
-+ }
-+
-+ spin_unlock (&shmem_ilock);
-+
-+ if (inode)
-+ igrab(inode);
-+
-+ return inode;
-+}
-+
-+#define switch_fields(x,y) do { \
-+ __typeof__ (x) __tmp = x; \
-+ x = y; y = __tmp; } while (0)
-+
-+static inline void
-+switch_names(struct dentry *dentry, struct dentry *target)
-+{
-+ const unsigned char *old_name, *new_name;
-+
-+ memcpy(dentry->d_iname, target->d_iname,
-+ DNAME_INLINE_LEN);
-+
-+ old_name = target->d_name.name;
-+ new_name = dentry->d_name.name;
-+
-+ if (old_name == target->d_iname)
-+ old_name = dentry->d_iname;
-+
-+ if (new_name == dentry->d_iname)
-+ new_name = target->d_iname;
-+
-+ target->d_name.name = new_name;
-+ dentry->d_name.name = old_name;
-+}
-+
-+static struct dentry *
-+shmem_iopen_lookup(struct inode *dir,
-+ struct dentry *dentry)
-+{
-+ struct inode *inode;
-+ unsigned long ino;
-+ struct list_head *lp;
-+ struct dentry *alternate;
-+ char buf[SHMEM_IOPEN_NAME_LEN];
-+ struct shmem_sb_info *sbinfo = SHMEM_SB(dir->i_sb);
-+
-+ if (dentry->d_name.len >= SHMEM_IOPEN_NAME_LEN)
-+ return ERR_PTR(-ENAMETOOLONG);
-+
-+ memcpy(buf, dentry->d_name.name, dentry->d_name.len);
-+ buf[dentry->d_name.len] = 0;
-+
-+ if (strcmp(buf, ".") == 0)
-+ ino = dir->i_ino;
-+ else if (strcmp(buf, "..") == 0)
-+ ino = sbinfo->root_ino;
-+ else
-+ ino = simple_strtoul(buf, 0, 0);
-+
-+ if (ino < sbinfo->root_ino)
-+ return ERR_PTR(-ENOENT);
-+
-+ if (!(inode = shmem_find_inode(dir->i_sb, ino)))
-+ return ERR_PTR(-ENOENT);
-+
-+ ASSERT(list_empty(&dentry->d_alias));
-+ ASSERT(list_empty(&dentry->d_hash));
-+
-+ /* preferrably return a connected dentry */
-+ spin_lock(&dcache_lock);
-+ list_for_each(lp, &inode->i_dentry) {
-+ alternate = list_entry(lp, struct dentry, d_alias);
-+ ASSERT(!(alternate->d_flags & DCACHE_NFSD_DISCONNECTED));
-+ }
-+
-+ if (!list_empty(&inode->i_dentry)) {
-+ alternate = list_entry(inode->i_dentry.next,
-+ struct dentry, d_alias);
-+ dget_locked(alternate);
-+ alternate->d_vfs_flags |= DCACHE_REFERENCED;
-+ iput(inode);
-+ spin_unlock(&dcache_lock);
-+ return alternate;
-+ }
-+ dentry->d_flags |= DCACHE_NFSD_DISCONNECTED;
-+
-+ /* d_add(), but don't drop dcache_lock before adding dentry to inode */
-+ list_add(&dentry->d_alias, &inode->i_dentry);
-+ dentry->d_inode = inode;
-+
-+ __d_rehash(dentry, 0);
-+ spin_unlock(&dcache_lock);
-+
-+ return NULL;
-+}
-+
-+struct dentry *
-+shmem_iopen_unalias(struct dentry *dentry, struct inode *inode)
-+{
-+ struct dentry *tmp, *goal = NULL;
-+ struct list_head *lp;
-+
-+ list_for_each(lp, &inode->i_dentry) {
-+ tmp = list_entry(lp, struct dentry, d_alias);
-+ if (tmp->d_flags & DCACHE_NFSD_DISCONNECTED) {
-+ ASSERT(tmp->d_alias.next == &inode->i_dentry);
-+ ASSERT(tmp->d_alias.prev == &inode->i_dentry);
-+ goal = tmp;
-+ dget_locked(goal);
-+ break;
-+ }
-+ }
-+
-+ if (!goal)
-+ return NULL;
-+
-+ goal->d_flags &= ~DCACHE_NFSD_DISCONNECTED;
-+ list_del_init(&goal->d_hash);
-+
-+ list_del(&goal->d_child);
-+ list_del(&dentry->d_child);
-+
-+ switch_names(goal, dentry);
-+ switch_fields(goal->d_parent, dentry->d_parent);
-+ switch_fields(goal->d_name.len, dentry->d_name.len);
-+ switch_fields(goal->d_name.hash, dentry->d_name.hash);
-+
-+ list_add(&goal->d_child, &goal->d_parent->d_subdirs);
-+ list_add(&dentry->d_child, &dentry->d_parent->d_subdirs);
-+ __d_rehash(goal, 0);
-+
-+ return goal;
-+}
-+
-+static struct inode_operations iopen_inode_operations = {
-+ lookup: shmem_iopen_lookup,
-+};
-+
-+static void
-+shmem_delete_inode(struct inode *inode)
- {
-+ struct dentry *dentry;
-+
- #ifdef CONFIG_TMPFS_XATTR
- struct list_head *tmp, *p;
- struct shmem_xattr *xattr;
-@@ -706,16 +887,30 @@ static void shmem_delete_inode(struct in
- #endif
- struct shmem_sb_info *sbinfo = SHMEM_SB(inode->i_sb);
-
-- if (inode->i_op->truncate == shmem_truncate) {
-+ if (inode->i_ino != SHMEM_IOPEN_INO) {
-+ /* eliminating iopen alias */
-+ spin_lock(&dcache_lock);
-+ if (!list_empty(&inode->i_dentry)) {
-+ dentry = list_entry(inode->i_dentry.next,
-+ struct dentry, d_alias);
-+ shmem_iopen_unalias(dentry, inode);
-+ }
-+ spin_unlock(&dcache_lock);
-+
- spin_lock (&shmem_ilock);
- list_del (&SHMEM_I(inode)->list);
- spin_unlock (&shmem_ilock);
-- inode->i_size = 0;
-- shmem_truncate (inode);
-+
-+ if (inode->i_op->truncate == shmem_truncate) {
-+ inode->i_size = 0;
-+ shmem_truncate (inode);
-+ }
-+
-+ spin_lock (&sbinfo->stat_lock);
-+ sbinfo->free_inodes++;
-+ spin_unlock (&sbinfo->stat_lock);
- }
-- spin_lock (&sbinfo->stat_lock);
-- sbinfo->free_inodes++;
-- spin_unlock (&sbinfo->stat_lock);
-+
- #ifdef CONFIG_TMPFS_XATTR
- list_for_each_safe(p, tmp, &info->xattrs) {
- xattr = list_entry(p, struct shmem_xattr, list);
-@@ -725,7 +920,8 @@ static void shmem_delete_inode(struct in
- clear_inode(inode);
- }
-
--static inline int shmem_find_swp(swp_entry_t entry, swp_entry_t *ptr, swp_entry_t *eptr)
-+static inline int
-+shmem_find_swp(swp_entry_t entry, swp_entry_t *ptr, swp_entry_t *eptr)
- {
- swp_entry_t *test;
-
-@@ -736,7 +932,9 @@ static inline int shmem_find_swp(swp_ent
- return -1;
- }
-
--static int shmem_unuse_inode(struct shmem_inode_info *info, swp_entry_t entry, struct page *page)
-+static int
-+shmem_unuse_inode(struct shmem_inode_info *info, swp_entry_t entry,
-+ struct page *page)
- {
- swp_entry_t *ptr;
- unsigned long idx;
-@@ -875,9 +1073,11 @@ getswap:
- * still need to guard against racing with shm_writepage(), which might
- * be trying to move the page to the swap cache as we run.
- */
--static struct page * shmem_getpage_locked(struct shmem_inode_info *info, struct inode * inode, unsigned long idx)
-+struct page *
-+shmem_getpage_locked(struct inode *inode, unsigned long idx)
- {
- struct address_space * mapping = inode->i_mapping;
-+ struct shmem_inode_info *info = SHMEM_I(inode);
- struct shmem_sb_info *sbinfo;
- struct page * page;
- swp_entry_t *entry;
-@@ -941,7 +1141,8 @@ repeat:
- swap_free(*entry);
- *entry = (swp_entry_t) {0};
- delete_from_swap_cache(page);
-- flags = page->flags & ~((1 << PG_uptodate) | (1 << PG_error) | (1 << PG_referenced) | (1 << PG_arch_1));
-+ flags = page->flags & ~((1 << PG_uptodate) | (1 << PG_error) |
-+ (1 << PG_referenced) | (1 << PG_arch_1));
- page->flags = flags | (1 << PG_dirty);
- add_to_page_cache_locked(page, mapping, idx);
- info->swapped--;
-@@ -985,46 +1186,53 @@ wait_retry:
- goto repeat;
- }
-
--int shmem_getpage(struct inode * inode, unsigned long idx, struct page **ptr)
-+struct page *
-+shmem_getpage_unlocked(struct inode *inode, unsigned long idx)
- {
-+ struct page *page;
- struct shmem_inode_info *info = SHMEM_I(inode);
-- int error;
-
-- down (&info->sem);
-- *ptr = ERR_PTR(-EFAULT);
-- if (inode->i_size <= (loff_t) idx * PAGE_CACHE_SIZE)
-+ down(&info->sem);
-+ page = ERR_PTR(-EFAULT);
-+
-+ if (inode->i_size <= (loff_t)idx * PAGE_CACHE_SIZE)
- goto failed;
-
-- *ptr = shmem_getpage_locked(info, inode, idx);
-- if (IS_ERR (*ptr))
-+ page = shmem_getpage_locked(inode, idx);
-+
-+ if (IS_ERR(page))
- goto failed;
-
-- UnlockPage(*ptr);
-- up (&info->sem);
-- return 0;
-+ UnlockPage(page);
-+ up(&info->sem);
-+ return page;
- failed:
-- up (&info->sem);
-- error = PTR_ERR(*ptr);
-- *ptr = NOPAGE_SIGBUS;
-- if (error == -ENOMEM)
-- *ptr = NOPAGE_OOM;
-- return error;
-+ up(&info->sem);
-+
-+ if (PTR_ERR(page) == -ENOMEM)
-+ return NOPAGE_OOM;
-+
-+ return page;
- }
-
--struct page * shmem_nopage(struct vm_area_struct * vma, unsigned long address, int unused)
-+struct page *
-+shmem_nopage(struct vm_area_struct *vma,
-+ unsigned long address, int unused)
- {
-- struct page * page;
- unsigned int idx;
-+ struct page * page;
- struct inode * inode = vma->vm_file->f_dentry->d_inode;
-
-- idx = (address - vma->vm_start) >> PAGE_CACHE_SHIFT;
-- idx += vma->vm_pgoff;
-+ idx = ((address - vma->vm_start) >> PAGE_CACHE_SHIFT) +
-+ vma->vm_pgoff;
-
-- if (shmem_getpage(inode, idx, &page))
-+ page = shmem_getpage_unlocked(inode, idx);
-+
-+ if (IS_ERR(page))
- return page;
-
- flush_page_to_ram(page);
-- return(page);
-+ return page;
- }
-
- void shmem_lock(struct file * file, int lock)
-@@ -1037,7 +1245,8 @@ void shmem_lock(struct file * file, int
- up(&info->sem);
- }
-
--static int shmem_mmap(struct file * file, struct vm_area_struct * vma)
-+static int
-+shmem_mmap(struct file * file, struct vm_area_struct * vma)
- {
- struct vm_operations_struct * ops;
- struct inode *inode = file->f_dentry->d_inode;
-@@ -1050,39 +1259,53 @@ static int shmem_mmap(struct file * file
- return 0;
- }
-
--struct inode *shmem_get_inode(struct super_block *sb, int mode, int dev)
-+static void
-+shmem_fill_inode(struct inode *inode, int mode, int dev)
- {
-- struct inode * inode;
- struct shmem_inode_info *info;
-- struct shmem_sb_info *sbinfo = SHMEM_SB(sb);
-+
-+ info = SHMEM_I(inode);
-+ info->inode = inode;
-+ spin_lock_init (&info->lock);
-+ sema_init (&info->sem, 1);
-
-- spin_lock (&sbinfo->stat_lock);
-- if (!sbinfo->free_inodes) {
-- spin_unlock (&sbinfo->stat_lock);
-- return NULL;
-- }
-- sbinfo->free_inodes--;
-- spin_unlock (&sbinfo->stat_lock);
-+#ifdef CONFIG_TMPFS_XATTR
-+ INIT_LIST_HEAD(&info->xattrs);
-+ info->xtail = &info->xattrs;
-+#endif
-
-- inode = new_inode(sb);
-- if (inode) {
-+ inode->i_blocks = 0;
-+ inode->i_rdev = NODEV;
-+ inode->i_atime = CURRENT_TIME;
-+ inode->i_ctime = CURRENT_TIME;
-+ inode->i_mtime = CURRENT_TIME;
-+ inode->i_blksize = PAGE_CACHE_SIZE;
-+
-+ /* handling speciall iopen inode. */
-+ if (inode->i_ino == SHMEM_IOPEN_INO) {
-+ struct shmem_sb_info *sbinfo = SHMEM_SB(inode->i_sb);
-+
-+ inode->i_mode = S_IFDIR | S_IRUSR | S_IXUSR;
-+
-+ if (sbinfo->options & SHMEM_MOUNT_IOPEN_NOPRIV)
-+ inode->i_mode |= 0777;
-+
-+ inode->i_uid = 0;
-+ inode->i_gid = 0;
-+ inode->i_nlink = 1;
-+ inode->i_size = 2 * BOGO_DIRENT_SIZE;
-+ inode->i_version = 1;
-+ inode->i_generation = 0;
-+
-+ inode->i_op = &iopen_inode_operations;
-+ inode->i_fop = &dcache_dir_ops;
-+ inode->i_mapping->a_ops = 0;
-+ } else {
- inode->i_mode = mode;
- inode->i_uid = current->fsuid;
- inode->i_gid = current->fsgid;
-- inode->i_blksize = PAGE_CACHE_SIZE;
-- inode->i_blocks = 0;
-- inode->i_rdev = NODEV;
- inode->i_mapping->a_ops = &shmem_aops;
-- inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
-- info = SHMEM_I(inode);
-- info->inode = inode;
-- spin_lock_init (&info->lock);
-- sema_init (&info->sem, 1);
-
--#ifdef CONFIG_TMPFS_XATTR
-- INIT_LIST_HEAD(&info->xattrs);
-- info->xtail = &info->xattrs;
--#endif
- switch (mode & S_IFMT) {
- default:
- init_special_inode(inode, mode, dev);
-@@ -1090,9 +1313,6 @@ struct inode *shmem_get_inode(struct sup
- case S_IFREG:
- inode->i_op = &shmem_inode_operations;
- inode->i_fop = &shmem_file_operations;
-- spin_lock (&shmem_ilock);
-- list_add_tail(&info->list, &shmem_inodes);
-- spin_unlock (&shmem_ilock);
- break;
- case S_IFDIR:
- inode->i_nlink++;
-@@ -1104,12 +1324,59 @@ struct inode *shmem_get_inode(struct sup
- case S_IFLNK:
- break;
- }
-+
-+ spin_lock (&shmem_ilock);
-+ list_add_tail(&info->list, &shmem_inodes);
-+ spin_unlock (&shmem_ilock);
-+ }
-+}
-+
-+struct inode *
-+shmem_get_inode(struct super_block *sb,
-+ int mode, int dev, int root)
-+{
-+ struct inode *inode;
-+ struct shmem_sb_info *sbinfo = SHMEM_SB(sb);
-+
-+ spin_lock (&sbinfo->stat_lock);
-+ if (!sbinfo->free_inodes) {
-+ spin_unlock (&sbinfo->stat_lock);
-+ return NULL;
-+ }
-+ sbinfo->free_inodes--;
-+ spin_unlock (&sbinfo->stat_lock);
-+
-+ if ((inode = new_inode(sb))) {
-+ shmem_fill_inode(inode, mode, dev);
-+ if (root)
-+ sbinfo->root_ino = inode->i_ino;
- }
-+
- return inode;
- }
-
--static int shmem_set_size(struct shmem_sb_info *info,
-- unsigned long max_blocks, unsigned long max_inodes)
-+void shmem_read_inode(struct inode *inode)
-+{
-+ struct shmem_sb_info *sbinfo;
-+
-+ if (inode->i_ino != SHMEM_IOPEN_INO)
-+ return;
-+
-+ sbinfo = SHMEM_SB(inode->i_sb);
-+
-+ spin_lock (&sbinfo->stat_lock);
-+ if (!sbinfo->free_inodes) {
-+ spin_unlock (&sbinfo->stat_lock);
-+ return;
-+ }
-+ sbinfo->free_inodes--;
-+ spin_unlock (&sbinfo->stat_lock);
-+ shmem_fill_inode(inode, 0, 0);
-+}
-+
-+static int
-+shmem_set_size(struct shmem_sb_info *info, unsigned long max_blocks,
-+ unsigned long max_inodes)
- {
- int error;
- unsigned long blocks, inodes;
-@@ -1192,7 +1459,6 @@ shmem_file_write(struct file *file,const
-
- while (count) {
- unsigned long bytes, index, offset;
-- char *kaddr;
-
- /*
- * Try to find the page in the cache. If it isn't there,
-@@ -1201,9 +1467,9 @@ shmem_file_write(struct file *file,const
- offset = (pos & (PAGE_CACHE_SIZE -1)); /* Within page */
- index = pos >> PAGE_CACHE_SHIFT;
- bytes = PAGE_CACHE_SIZE - offset;
-- if (bytes > count) {
-+
-+ if (bytes > count)
- bytes = count;
-- }
-
- /*
- * Bring in the user page that we will copy from _first_.
-@@ -1218,7 +1484,7 @@ shmem_file_write(struct file *file,const
-
- info = SHMEM_I(inode);
- down (&info->sem);
-- page = shmem_getpage_locked(info, inode, index);
-+ page = shmem_getpage_locked(inode, index);
- up (&info->sem);
-
- status = PTR_ERR(page);
-@@ -1226,17 +1492,19 @@ shmem_file_write(struct file *file,const
- break;
-
- /* We have exclusive IO access to the page.. */
-- if (!PageLocked(page)) {
-+ if (!PageLocked(page))
- PAGE_BUG(page);
-- }
-
-- kaddr = kmap(page);
-- status = copy_from_user(kaddr+offset, buf, bytes);
-+ status = copy_from_user(kmap(page) + offset,
-+ buf, bytes);
-+
- kunmap(page);
-+
- if (status)
- goto fail_write;
-
- flush_dcache_page(page);
-+
- if (bytes > 0) {
- SetPageDirty(page);
- written += bytes;
-@@ -1266,7 +1534,8 @@ fail_write:
- goto unlock;
- }
-
--static void do_shmem_file_read(struct file * filp, loff_t *ppos, read_descriptor_t * desc)
-+static void
-+do_shmem_file_read(struct file * filp, loff_t *ppos, read_descriptor_t * desc)
- {
- struct inode *inode = filp->f_dentry->d_inode;
- struct address_space *mapping = inode->i_mapping;
-@@ -1292,15 +1561,18 @@ static void do_shmem_file_read(struct fi
-
- nr = nr - offset;
-
-- if ((desc->error = shmem_getpage(inode, index, &page)))
-+ page = shmem_getpage_unlocked(inode, index);
-+
-+ if (IS_ERR(page)) {
-+ desc->error = PTR_ERR(page);
- break;
-+ }
-
- if (mapping->i_mmap_shared != NULL)
- flush_dcache_page(page);
-
-- /*
-- * Ok, we have the page, and it's up-to-date, so
-- * now we can copy it to user space...
-+ /* Ok, we have the page, and it's up-to-date, so now we can copy
-+ * it to user space...
- *
- * The actor routine returns how many bytes were actually used..
- * NOTE! This may not be the same as how much of a user buffer
-@@ -1309,6 +1581,8 @@ static void do_shmem_file_read(struct fi
- * pointers and the remaining count).
- */
- nr = file_read_actor(desc, page, offset, nr);
-+
-+ /* updating counters */
- offset += nr;
- index += offset >> PAGE_CACHE_SHIFT;
- offset &= ~PAGE_CACHE_MASK;
-@@ -1320,7 +1594,8 @@ static void do_shmem_file_read(struct fi
- UPDATE_ATIME(inode);
- }
-
--static ssize_t shmem_file_read(struct file * filp, char * buf, size_t count, loff_t *ppos)
-+static ssize_t
-+shmem_file_read(struct file * filp, char * buf, size_t count, loff_t *ppos)
- {
- ssize_t retval;
-
-@@ -1345,7 +1620,8 @@ static ssize_t shmem_file_read(struct fi
- return retval;
- }
-
--static int shmem_statfs(struct super_block *sb, struct statfs *buf)
-+static int
-+shmem_statfs(struct super_block *sb, struct statfs *buf)
- {
- struct shmem_sb_info *sbinfo = SHMEM_SB(sb);
-
-@@ -1361,22 +1637,62 @@ static int shmem_statfs(struct super_blo
- return 0;
- }
-
--/*
-- * Lookup the data. This is trivial - if the dentry didn't already
-- * exist, we know it is negative.
-- */
--static struct dentry * shmem_lookup(struct inode *dir, struct dentry *dentry)
-+static int
-+match_dentry(struct dentry *dentry, const char *name)
-+{
-+ int len = strlen(name);
-+
-+ if (dentry->d_name.len != len)
-+ return 0;
-+
-+ if (strncmp(dentry->d_name.name, name, len))
-+ return 0;
-+
-+ return 1;
-+}
-+
-+static int
-+shmem_iopen_check(struct inode *dir, struct dentry *dentry)
-+{
-+ struct inode *inode;
-+ struct shmem_sb_info *sbinfo = SHMEM_SB(dir->i_sb);
-+
-+ if (dir->i_ino != sbinfo->root_ino ||
-+ !(sbinfo->options & SHMEM_MOUNT_IOPEN) ||
-+ !match_dentry(dentry, "__iopen__"))
-+ {
-+ return 0;
-+ }
-+
-+ if (!(inode = iget(dir->i_sb, SHMEM_IOPEN_INO)))
-+ return 0;
-+
-+ d_add(dentry, inode);
-+
-+ spin_lock (&sbinfo->stat_lock);
-+ sbinfo->iopen = dentry;
-+ spin_unlock (&sbinfo->stat_lock);
-+
-+ dget(dentry);
-+ return 1;
-+}
-+
-+static struct dentry *
-+shmem_lookup(struct inode *dir, struct dentry *dentry)
- {
-- d_add(dentry, NULL);
-+ if (!shmem_iopen_check(dir, dentry))
-+ d_add(dentry, NULL);
-+
- return NULL;
- }
-
- /*
- * File creation. Allocate an inode, and we're done..
- */
--static int shmem_mknod(struct inode *dir, struct dentry *dentry, int mode, int dev)
-+static int
-+shmem_mknod(struct inode *dir, struct dentry *dentry, int mode, int dev)
- {
-- struct inode * inode = shmem_get_inode(dir->i_sb, mode, dev);
-+ struct inode *inode = shmem_get_inode(dir->i_sb, mode, dev, 0);
- int error = -ENOSPC;
-
- if (inode) {
-@@ -1386,20 +1702,24 @@ static int shmem_mknod(struct inode *dir
- dget(dentry); /* Extra count - pin the dentry in core */
- error = 0;
- }
-+
- return error;
- }
-
--static int shmem_mkdir(struct inode * dir, struct dentry * dentry, int mode)
-+static int
-+shmem_mkdir(struct inode * dir, struct dentry * dentry, int mode)
- {
- int error;
-
- if ((error = shmem_mknod(dir, dentry, mode | S_IFDIR, 0)))
- return error;
-+
- dir->i_nlink++;
- return 0;
- }
-
--static int shmem_create(struct inode *dir, struct dentry *dentry, int mode)
-+static int
-+shmem_create(struct inode *dir, struct dentry *dentry, int mode)
- {
- return shmem_mknod(dir, dentry, mode | S_IFREG, 0);
- }
-@@ -1407,7 +1727,8 @@ static int shmem_create(struct inode *di
- /*
- * Link a file..
- */
--static int shmem_link(struct dentry *old_dentry, struct inode * dir, struct dentry * dentry)
-+static int
-+shmem_link(struct dentry *old_dentry, struct inode * dir, struct dentry * dentry)
- {
- struct inode *inode = old_dentry->d_inode;
-
-@@ -1429,13 +1750,11 @@ static inline int shmem_positive(struct
- }
-
- /*
-- * Check that a directory is empty (this works
-- * for regular files too, they'll just always be
-- * considered empty..).
-+ * Check that a directory is empty (this works for regular files too, they'll
-+ * just always be considered empty..).
- *
-- * Note that an empty directory can still have
-- * children, they just all have to be negative..
-- */
-+ * Note that an empty directory can still have children, they just all have to
-+ * be negative.. */
- static int shmem_empty(struct dentry *dentry)
- {
- struct list_head *list;
-@@ -1456,18 +1775,22 @@ static int shmem_empty(struct dentry *de
- return 1;
- }
-
--static int shmem_unlink(struct inode * dir, struct dentry *dentry)
-+static int
-+shmem_unlink(struct inode *dir, struct dentry *dentry)
- {
- struct inode *inode = dentry->d_inode;
-
- dir->i_size -= BOGO_DIRENT_SIZE;
- inode->i_ctime = dir->i_ctime = dir->i_mtime = CURRENT_TIME;
- inode->i_nlink--;
-- dput(dentry); /* Undo the count from "create" - this does all the work */
-+
-+ /* undo the count from "create" - this does all the work. */
-+ dput(dentry);
- return 0;
- }
-
--static int shmem_rmdir(struct inode * dir, struct dentry *dentry)
-+static int
-+shmem_rmdir(struct inode *dir, struct dentry *dentry)
- {
- if (!shmem_empty(dentry))
- return -ENOTEMPTY;
-@@ -1477,12 +1800,13 @@ static int shmem_rmdir(struct inode * di
- }
-
- /*
-- * The VFS layer already does all the dentry stuff for rename,
-- * we just have to decrement the usage count for the target if
-- * it exists so that the VFS layer correctly free's it when it
-- * gets overwritten.
-+ * The VFS layer already does all the dentry stuff for rename, we just have to
-+ * decrement the usage count for the target if it exists so that the VFS layer
-+ * correctly free's it when it gets overwritten.
- */
--static int shmem_rename(struct inode * old_dir, struct dentry *old_dentry, struct inode * new_dir,struct dentry *new_dentry)
-+static int
-+shmem_rename(struct inode *old_dir, struct dentry *old_dentry,
-+ struct inode *new_dir, struct dentry *new_dentry)
- {
- struct inode *inode = old_dentry->d_inode;
- int they_are_dirs = S_ISDIR(inode->i_mode);
-@@ -1507,19 +1831,20 @@ static int shmem_rename(struct inode * o
- return 0;
- }
-
--static int shmem_symlink(struct inode * dir, struct dentry *dentry, const char * symname)
-+static int
-+shmem_symlink(struct inode *dir, struct dentry *dentry,
-+ const char *symname)
- {
- int len;
-- struct inode *inode;
- struct page *page;
-- char *kaddr;
-- struct shmem_inode_info * info;
-+ struct inode *inode;
-+ struct shmem_inode_info *info;
-
- len = strlen(symname) + 1;
- if (len > PAGE_CACHE_SIZE)
- return -ENAMETOOLONG;
-
-- inode = shmem_get_inode(dir->i_sb, S_IFLNK|S_IRWXUGO, 0);
-+ inode = shmem_get_inode(dir->i_sb, S_IFLNK|S_IRWXUGO, 0, 0);
- if (!inode)
- return -ENOSPC;
-
-@@ -1531,7 +1856,7 @@ static int shmem_symlink(struct inode *
- inode->i_op = &shmem_symlink_inline_operations;
- } else {
- down(&info->sem);
-- page = shmem_getpage_locked(info, inode, 0);
-+ page = shmem_getpage_locked(inode, 0);
- if (IS_ERR(page)) {
- up(&info->sem);
- iput(inode);
-@@ -1541,8 +1866,7 @@ static int shmem_symlink(struct inode *
- spin_lock (&shmem_ilock);
- list_add_tail(&info->list, &shmem_inodes);
- spin_unlock (&shmem_ilock);
-- kaddr = kmap(page);
-- memcpy(kaddr, symname, len);
-+ memcpy(kmap(page), symname, len);
- kunmap(page);
- SetPageDirty(page);
- UnlockPage(page);
-@@ -1556,40 +1880,52 @@ static int shmem_symlink(struct inode *
- return 0;
- }
-
--static int shmem_readlink_inline(struct dentry *dentry, char *buffer, int buflen)
-+static int
-+shmem_readlink_inline(struct dentry *dentry, char *buffer, int buflen)
- {
-- return vfs_readlink(dentry,buffer,buflen, (const char *)SHMEM_I(dentry->d_inode));
-+ return vfs_readlink(dentry,buffer, buflen,
-+ (const char *)SHMEM_I(dentry->d_inode));
- }
-
--static int shmem_follow_link_inline(struct dentry *dentry, struct nameidata *nd)
-+static int
-+shmem_follow_link_inline(struct dentry *dentry, struct nameidata *nd)
- {
- return vfs_follow_link(nd, (const char *)SHMEM_I(dentry->d_inode));
- }
-
--static int shmem_readlink(struct dentry *dentry, char *buffer, int buflen)
-+static int
-+shmem_readlink(struct dentry *dentry, char *buffer, int buflen)
- {
-- struct page * page;
-- int res = shmem_getpage(dentry->d_inode, 0, &page);
-+ int res;
-+ struct page *page;
-+
-+ page = shmem_getpage_unlocked(dentry->d_inode, 0);
-
-- if (res)
-- return res;
-+ if (IS_ERR(page))
-+ return PTR_ERR(page);
-
- res = vfs_readlink(dentry,buffer,buflen, kmap(page));
- kunmap(page);
- page_cache_release(page);
-+
- return res;
- }
-
--static int shmem_follow_link(struct dentry *dentry, struct nameidata *nd)
-+static int
-+shmem_follow_link(struct dentry *dentry, struct nameidata *nd)
- {
- struct page * page;
-- int res = shmem_getpage(dentry->d_inode, 0, &page);
-- if (res)
-- return res;
-+ int res;
-+
-+ page = shmem_getpage_unlocked(dentry->d_inode, 0);
-+
-+ if (IS_ERR(page))
-+ return PTR_ERR(page);
-
- res = vfs_follow_link(nd, kmap(page));
- kunmap(page);
- page_cache_release(page);
-+
- return res;
- }
-
-@@ -1610,7 +1946,10 @@ static struct inode_operations shmem_sym
- #endif
- };
-
--static int shmem_parse_options(char *options, int *mode, uid_t *uid, gid_t *gid, unsigned long * blocks, unsigned long *inodes)
-+static int
-+shmem_parse_options(char *options, int *mode, uid_t *uid, gid_t *gid,
-+ unsigned long *blocks, unsigned long *inodes,
-+ unsigned long *opts)
- {
- char *this_char, *value, *rest;
-
-@@ -1620,11 +1959,6 @@ static int shmem_parse_options(char *opt
- for ( ; this_char; this_char = strtok(NULL,",")) {
- if ((value = strchr(this_char,'=')) != NULL) {
- *value++ = 0;
-- } else {
-- printk(KERN_ERR
-- "tmpfs: No value for mount option '%s'\n",
-- this_char);
-- return 1;
- }
-
- if (!strcmp(this_char,"size")) {
-@@ -1659,6 +1993,17 @@ static int shmem_parse_options(char *opt
- *gid = simple_strtoul(value,&rest,0);
- if (*rest)
- goto bad_val;
-+ } else if (!strcmp(this_char, "iopen")) {
-+ *opts |= SHMEM_MOUNT_IOPEN;
-+ *opts &= ~SHMEM_MOUNT_IOPEN_NOPRIV;
-+ }
-+ else if (!strcmp(this_char, "noiopen")) {
-+ *opts &= ~SHMEM_MOUNT_IOPEN;
-+ *opts &= ~SHMEM_MOUNT_IOPEN_NOPRIV;
-+ }
-+ else if (!strcmp (this_char, "iopen_nopriv")) {
-+ *opts |= SHMEM_MOUNT_IOPEN;
-+ *opts |= SHMEM_MOUNT_IOPEN_NOPRIV;
- } else {
- printk(KERN_ERR "tmpfs: Bad mount option %s\n",
- this_char);
-@@ -1674,14 +2019,19 @@ bad_val:
-
- }
-
--static int shmem_remount_fs (struct super_block *sb, int *flags, char *data)
-+static int
-+shmem_remount_fs(struct super_block *sb, int *flags, char *data)
- {
- struct shmem_sb_info *sbinfo = &sb->u.shmem_sb;
- unsigned long max_blocks = sbinfo->max_blocks;
- unsigned long max_inodes = sbinfo->max_inodes;
-
-- if (shmem_parse_options (data, NULL, NULL, NULL, &max_blocks, &max_inodes))
-+ if (shmem_parse_options (data, NULL, NULL, NULL, &max_blocks,
-+ &max_inodes, &sbinfo->options))
-+ {
- return -EINVAL;
-+ }
-+
- return shmem_set_size(sbinfo, max_blocks, max_inodes);
- }
-
-@@ -1691,7 +2041,8 @@ int shmem_sync_file(struct file * file,
- }
- #endif
-
--static struct super_block *shmem_read_super(struct super_block * sb, void * data, int silent)
-+static struct super_block *
-+shmem_read_super(struct super_block * sb, void * data, int silent)
- {
- struct inode * inode;
- struct dentry * root;
-@@ -1710,11 +2061,15 @@ static struct super_block *shmem_read_su
- blocks = inodes = si.totalram / 2;
-
- #ifdef CONFIG_TMPFS
-- if (shmem_parse_options (data, &mode, &uid, &gid, &blocks, &inodes))
-+ if (shmem_parse_options (data, &mode, &uid, &gid, &blocks,
-+ &inodes, &sbinfo->options))
-+ {
- return NULL;
-+ }
- #endif
-
- spin_lock_init (&sbinfo->stat_lock);
-+ sbinfo->iopen = NULL;
- sbinfo->max_blocks = blocks;
- sbinfo->free_blocks = blocks;
- sbinfo->max_inodes = inodes;
-@@ -1724,7 +2079,7 @@ static struct super_block *shmem_read_su
- sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
- sb->s_magic = TMPFS_MAGIC;
- sb->s_op = &shmem_ops;
-- inode = shmem_get_inode(sb, S_IFDIR | mode, 0);
-+ inode = shmem_get_inode(sb, S_IFDIR | mode, 0, 1);
- if (!inode)
- return NULL;
-
-@@ -1739,7 +2094,19 @@ static struct super_block *shmem_read_su
- return sb;
- }
-
-+void shmem_put_super(struct super_block *sb)
-+{
-+ struct dentry *iopen;
-+ struct shmem_sb_info *sbinfo = SHMEM_SB(sb);
-
-+ spin_lock(&sbinfo->stat_lock);
-+ iopen = sbinfo->iopen;
-+ sbinfo->iopen = NULL;
-+ spin_unlock(&sbinfo->stat_lock);
-+
-+ if (iopen)
-+ dput(iopen);
-+}
-
- static struct address_space_operations shmem_aops = {
- writepage: shmem_writepage,
-@@ -1790,11 +2157,13 @@ static struct super_operations shmem_ops
- remount_fs: shmem_remount_fs,
- #endif
- delete_inode: shmem_delete_inode,
-- put_inode: force_delete,
-+ read_inode: shmem_read_inode,
-+ put_inode: force_delete,
-+ put_super: shmem_put_super,
- };
-
- static struct vm_operations_struct shmem_vm_ops = {
-- nopage: shmem_nopage,
-+ nopage: shmem_nopage,
- };
-
- #ifdef CONFIG_TMPFS
-@@ -1885,7 +2254,7 @@ struct file *shmem_file_setup(char * nam
- goto put_dentry;
-
- error = -ENOSPC;
-- inode = shmem_get_inode(root->d_sb, S_IFREG | S_IRWXUGO, 0);
-+ inode = shmem_get_inode(root->d_sb, S_IFREG | S_IRWXUGO, 0, 0);
- if (!inode)
- goto close_file;
-
-@@ -1921,15 +2290,17 @@ int shmem_zero_setup(struct vm_area_stru
-
- if (vma->vm_file)
- fput (vma->vm_file);
-+
- vma->vm_file = file;
- vma->vm_ops = &shmem_vm_ops;
- return 0;
- }
-
- EXPORT_SYMBOL(shmem_file_setup);
--EXPORT_SYMBOL(shmem_getpage);
- EXPORT_SYMBOL(shmem_xattr_find);
- EXPORT_SYMBOL(shmem_xattr_set);
- EXPORT_SYMBOL(shmem_xattr_get);
- EXPORT_SYMBOL(shmem_xattr_delete);
- EXPORT_SYMBOL(shmem_xattr_remove);
-+EXPORT_SYMBOL(shmem_getpage_locked);
-+EXPORT_SYMBOL(shmem_getpage_unlocked);
git://git.whamcloud.com / fs / lustre-release.git / commitdiff