X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Flinux%2Fshmem_fs.h;h=aa08fa8fd79b9c85bd3adaa68e22631b0f425e97;hb=0d72c6fcb5cd215eeab824fac216ea42c5b574aa;hp=2b7fec840517ff00ae46d14b0662bbf85bb4dc62;hpb=ad363e0916423b2e6cdfcdc30ae707ec709f0a65;p=pandora-kernel.git diff --git a/include/linux/shmem_fs.h b/include/linux/shmem_fs.h index 2b7fec840517..aa08fa8fd79b 100644 --- a/include/linux/shmem_fs.h +++ b/include/linux/shmem_fs.h @@ -3,6 +3,7 @@ #include #include +#include #include /* inode in-kernel data */ @@ -45,7 +46,27 @@ static inline struct shmem_inode_info *SHMEM_I(struct inode *inode) return container_of(inode, struct shmem_inode_info, vfs_inode); } +/* + * Functions in mm/shmem.c called directly from elsewhere: + */ extern int init_tmpfs(void); extern int shmem_fill_super(struct super_block *sb, void *data, int silent); +extern struct file *shmem_file_setup(const char *name, + loff_t size, unsigned long flags); +extern int shmem_zero_setup(struct vm_area_struct *); +extern int shmem_lock(struct file *file, int lock, struct user_struct *user); +extern struct page *shmem_read_mapping_page_gfp(struct address_space *mapping, + pgoff_t index, gfp_t gfp_mask); +extern void shmem_truncate_range(struct inode *inode, loff_t start, loff_t end); +extern int shmem_unuse(swp_entry_t entry, struct page *page); +extern void mem_cgroup_get_shmem_target(struct inode *inode, pgoff_t pgoff, + struct page **pagep, swp_entry_t *ent); + +static inline struct page *shmem_read_mapping_page( + struct address_space *mapping, pgoff_t index) +{ + return shmem_read_mapping_page_gfp(mapping, index, + mapping_gfp_mask(mapping)); +} #endif