diff options
Diffstat (limited to 'fs/adfs')
| -rw-r--r-- | fs/adfs/adfs.h | 59 | ||||
| -rw-r--r-- | fs/adfs/dir.c | 18 | ||||
| -rw-r--r-- | fs/adfs/dir_f.c | 25 | ||||
| -rw-r--r-- | fs/adfs/dir_fplus.c | 25 | ||||
| -rw-r--r-- | fs/adfs/file.c | 6 | ||||
| -rw-r--r-- | fs/adfs/inode.c | 14 | ||||
| -rw-r--r-- | fs/adfs/map.c | 8 | ||||
| -rw-r--r-- | fs/adfs/super.c | 21 |
8 files changed, 110 insertions, 66 deletions
diff --git a/fs/adfs/adfs.h b/fs/adfs/adfs.h index e0a85dbeeb88..9cc18775b832 100644 --- a/fs/adfs/adfs.h +++ b/fs/adfs/adfs.h @@ -1,3 +1,6 @@ +#include <linux/fs.h> +#include <linux/adfs_fs.h> + /* Internal data structures for ADFS */ #define ADFS_FREE_FRAG 0 @@ -17,6 +20,58 @@ struct buffer_head; /* + * adfs file system inode data in memory + */ +struct adfs_inode_info { + loff_t mmu_private; + unsigned long parent_id; /* object id of parent */ + __u32 loadaddr; /* RISC OS load address */ + __u32 execaddr; /* RISC OS exec address */ + unsigned int filetype; /* RISC OS file type */ + unsigned int attr; /* RISC OS permissions */ + unsigned int stamped:1; /* RISC OS file has date/time */ + struct inode vfs_inode; +}; + +/* + * Forward-declare this + */ +struct adfs_discmap; +struct adfs_dir_ops; + +/* + * ADFS file system superblock data in memory + */ +struct adfs_sb_info { + struct adfs_discmap *s_map; /* bh list containing map */ + struct adfs_dir_ops *s_dir; /* directory operations */ + + uid_t s_uid; /* owner uid */ + gid_t s_gid; /* owner gid */ + umode_t s_owner_mask; /* ADFS owner perm -> unix perm */ + umode_t s_other_mask; /* ADFS other perm -> unix perm */ + + __u32 s_ids_per_zone; /* max. no ids in one zone */ + __u32 s_idlen; /* length of ID in map */ + __u32 s_map_size; /* sector size of a map */ + unsigned long s_size; /* total size (in blocks) of this fs */ + signed int s_map2blk; /* shift left by this for map->sector */ + unsigned int s_log2sharesize;/* log2 share size */ + __le32 s_version; /* disc format version */ + unsigned int s_namelen; /* maximum number of characters in name */ +}; + +static inline struct adfs_sb_info *ADFS_SB(struct super_block *sb) +{ + return sb->s_fs_info; +} + +static inline struct adfs_inode_info *ADFS_I(struct inode *inode) +{ + return container_of(inode, struct adfs_inode_info, vfs_inode); +} + +/* * Directory handling */ struct adfs_dir { @@ -53,6 +108,7 @@ struct adfs_dir_ops { int (*update)(struct adfs_dir *dir, struct object_info *obj); int (*create)(struct adfs_dir *dir, struct object_info *obj); int (*remove)(struct adfs_dir *dir, struct object_info *obj); + int (*sync)(struct adfs_dir *dir); void (*free)(struct adfs_dir *dir); }; @@ -90,7 +146,8 @@ extern const struct dentry_operations adfs_dentry_operations; extern struct adfs_dir_ops adfs_f_dir_ops; extern struct adfs_dir_ops adfs_fplus_dir_ops; -extern int adfs_dir_update(struct super_block *sb, struct object_info *obj); +extern int adfs_dir_update(struct super_block *sb, struct object_info *obj, + int wait); /* file.c */ extern const struct inode_operations adfs_file_inode_operations; diff --git a/fs/adfs/dir.c b/fs/adfs/dir.c index e867ccf37246..23aa52f548a0 100644 --- a/fs/adfs/dir.c +++ b/fs/adfs/dir.c @@ -9,15 +9,7 @@ * * Common directory handling for ADFS */ -#include <linux/errno.h> -#include <linux/fs.h> -#include <linux/adfs_fs.h> -#include <linux/time.h> -#include <linux/stat.h> -#include <linux/spinlock.h> #include <linux/smp_lock.h> -#include <linux/buffer_head.h> /* for file_fsync() */ - #include "adfs.h" /* @@ -83,7 +75,7 @@ out: } int -adfs_dir_update(struct super_block *sb, struct object_info *obj) +adfs_dir_update(struct super_block *sb, struct object_info *obj, int wait) { int ret = -EINVAL; #ifdef CONFIG_ADFS_FS_RW @@ -106,6 +98,12 @@ adfs_dir_update(struct super_block *sb, struct object_info *obj) ret = ops->update(&dir, obj); write_unlock(&adfs_dir_lock); + if (wait) { + int err = ops->sync(&dir); + if (!ret) + ret = err; + } + ops->free(&dir); out: #endif @@ -199,7 +197,7 @@ const struct file_operations adfs_dir_operations = { .read = generic_read_dir, .llseek = generic_file_llseek, .readdir = adfs_readdir, - .fsync = file_fsync, + .fsync = simple_fsync, }; static int diff --git a/fs/adfs/dir_f.c b/fs/adfs/dir_f.c index ea7df2146921..bafc71222e25 100644 --- a/fs/adfs/dir_f.c +++ b/fs/adfs/dir_f.c @@ -9,15 +9,7 @@ * * E and F format directory handling */ -#include <linux/errno.h> -#include <linux/fs.h> -#include <linux/adfs_fs.h> -#include <linux/time.h> -#include <linux/stat.h> -#include <linux/spinlock.h> #include <linux/buffer_head.h> -#include <linux/string.h> - #include "adfs.h" #include "dir_f.h" @@ -437,6 +429,22 @@ bad_dir: #endif } +static int +adfs_f_sync(struct adfs_dir *dir) +{ + int err = 0; + int i; + + for (i = dir->nr_buffers - 1; i >= 0; i--) { + struct buffer_head *bh = dir->bh[i]; + sync_dirty_buffer(bh); + if (buffer_req(bh) && !buffer_uptodate(bh)) + err = -EIO; + } + + return err; +} + static void adfs_f_free(struct adfs_dir *dir) { @@ -456,5 +464,6 @@ struct adfs_dir_ops adfs_f_dir_ops = { .setpos = adfs_f_setpos, .getnext = adfs_f_getnext, .update = adfs_f_update, + .sync = adfs_f_sync, .free = adfs_f_free }; diff --git a/fs/adfs/dir_fplus.c b/fs/adfs/dir_fplus.c index 1ec644e32df9..1796bb352d05 100644 --- a/fs/adfs/dir_fplus.c +++ b/fs/adfs/dir_fplus.c @@ -7,15 +7,7 @@ * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ -#include <linux/errno.h> -#include <linux/fs.h> -#include <linux/adfs_fs.h> -#include <linux/time.h> -#include <linux/stat.h> -#include <linux/spinlock.h> #include <linux/buffer_head.h> -#include <linux/string.h> - #include "adfs.h" #include "dir_fplus.h" @@ -161,6 +153,22 @@ out: return ret; } +static int +adfs_fplus_sync(struct adfs_dir *dir) +{ + int err = 0; + int i; + + for (i = dir->nr_buffers - 1; i >= 0; i--) { + struct buffer_head *bh = dir->bh[i]; + sync_dirty_buffer(bh); + if (buffer_req(bh) && !buffer_uptodate(bh)) + err = -EIO; + } + + return err; +} + static void adfs_fplus_free(struct adfs_dir *dir) { @@ -175,5 +183,6 @@ struct adfs_dir_ops adfs_fplus_dir_ops = { .read = adfs_fplus_read, .setpos = adfs_fplus_setpos, .getnext = adfs_fplus_getnext, + .sync = adfs_fplus_sync, .free = adfs_fplus_free }; diff --git a/fs/adfs/file.c b/fs/adfs/file.c index 36e381c6a99a..005ea34d1758 100644 --- a/fs/adfs/file.c +++ b/fs/adfs/file.c @@ -19,10 +19,6 @@ * * adfs regular file handling primitives */ -#include <linux/fs.h> -#include <linux/buffer_head.h> /* for file_fsync() */ -#include <linux/adfs_fs.h> - #include "adfs.h" const struct file_operations adfs_file_operations = { @@ -30,7 +26,7 @@ const struct file_operations adfs_file_operations = { .read = do_sync_read, .aio_read = generic_file_aio_read, .mmap = generic_file_mmap, - .fsync = file_fsync, + .fsync = simple_fsync, .write = do_sync_write, .aio_write = generic_file_aio_write, .splice_read = generic_file_splice_read, diff --git a/fs/adfs/inode.c b/fs/adfs/inode.c index e647200262a2..798cb071d132 100644 --- a/fs/adfs/inode.c +++ b/fs/adfs/inode.c @@ -7,17 +7,8 @@ * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ -#include <linux/errno.h> -#include <linux/fs.h> -#include <linux/adfs_fs.h> -#include <linux/time.h> -#include <linux/stat.h> -#include <linux/string.h> -#include <linux/mm.h> #include <linux/smp_lock.h> -#include <linux/module.h> #include <linux/buffer_head.h> - #include "adfs.h" /* @@ -376,7 +367,7 @@ out: * The adfs-specific inode data has already been updated by * adfs_notify_change() */ -int adfs_write_inode(struct inode *inode, int unused) +int adfs_write_inode(struct inode *inode, int wait) { struct super_block *sb = inode->i_sb; struct object_info obj; @@ -391,8 +382,7 @@ int adfs_write_inode(struct inode *inode, int unused) obj.attr = ADFS_I(inode)->attr; obj.size = inode->i_size; - ret = adfs_dir_update(sb, &obj); + ret = adfs_dir_update(sb, &obj, wait); unlock_kernel(); return ret; } -MODULE_LICENSE("GPL"); diff --git a/fs/adfs/map.c b/fs/adfs/map.c index 92ab4fbc2031..d1a5932bb0f1 100644 --- a/fs/adfs/map.c +++ b/fs/adfs/map.c @@ -7,14 +7,8 @@ * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ -#include <linux/errno.h> -#include <linux/fs.h> -#include <linux/adfs_fs.h> -#include <linux/spinlock.h> #include <linux/buffer_head.h> - #include <asm/unaligned.h> - #include "adfs.h" /* @@ -62,7 +56,7 @@ static DEFINE_RWLOCK(adfs_map_lock); #define GET_FRAG_ID(_map,_start,_idmask) \ ({ \ unsigned char *_m = _map + (_start >> 3); \ - u32 _frag = get_unaligned((u32 *)_m); \ + u32 _frag = get_unaligned_le32(_m); \ _frag >>= (_start & 7); \ _frag & _idmask; \ }) diff --git a/fs/adfs/super.c b/fs/adfs/super.c index dd9becca4241..aad92f0a1048 100644 --- a/fs/adfs/super.c +++ b/fs/adfs/super.c @@ -8,26 +8,12 @@ * published by the Free Software Foundation. */ #include <linux/module.h> -#include <linux/errno.h> -#include <linux/fs.h> -#include <linux/adfs_fs.h> -#include <linux/slab.h> -#include <linux/time.h> -#include <linux/stat.h> -#include <linux/string.h> #include <linux/init.h> #include <linux/buffer_head.h> -#include <linux/vfs.h> #include <linux/parser.h> -#include <linux/bitops.h> #include <linux/mount.h> #include <linux/seq_file.h> - -#include <asm/uaccess.h> -#include <asm/system.h> - -#include <stdarg.h> - +#include <linux/statfs.h> #include "adfs.h" #include "dir_f.h" #include "dir_fplus.h" @@ -132,11 +118,15 @@ static void adfs_put_super(struct super_block *sb) int i; struct adfs_sb_info *asb = ADFS_SB(sb); + lock_kernel(); + for (i = 0; i < asb->s_map_size; i++) brelse(asb->s_map[i].dm_bh); kfree(asb->s_map); kfree(asb); sb->s_fs_info = NULL; + + unlock_kernel(); } static int adfs_show_options(struct seq_file *seq, struct vfsmount *mnt) @@ -530,3 +520,4 @@ static void __exit exit_adfs_fs(void) module_init(init_adfs_fs) module_exit(exit_adfs_fs) +MODULE_LICENSE("GPL"); |