X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=yaffs_fs.c;h=2672c454f105e3bb7f6238da68ad57e63d542def;hp=b8f2575e7e52a77e702969b986626e58d144ab4f;hb=85530132e169794d9e7e9c1de1396a12bc650383;hpb=92ee023b9d7144e178a050eff898aaae4415096b diff --git a/yaffs_fs.c b/yaffs_fs.c index b8f2575..2672c45 100644 --- a/yaffs_fs.c +++ b/yaffs_fs.c @@ -32,7 +32,7 @@ */ const char *yaffs_fs_c_version = - "$Id: yaffs_fs.c,v 1.67 2008-07-03 20:06:05 charles Exp $"; + "$Id: yaffs_fs.c,v 1.69 2008-08-28 02:42:11 charles Exp $"; extern const char *yaffs_guts_c_version; #include @@ -77,6 +77,12 @@ extern const char *yaffs_guts_c_version; #endif +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,26)) +#define YPROC_ROOT &proc_root +#else +#define YPROC_ROOT NULL +#endif + #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17)) #define WRITE_SIZE_STR "writesize" #define WRITE_SIZE(mtd) (mtd)->writesize @@ -196,7 +202,10 @@ static int yaffs_statfs(struct super_block *sb, struct kstatfs *buf); static int yaffs_statfs(struct super_block *sb, struct statfs *buf); #endif +#ifdef YAFFS_HAS_PUT_INODE static void yaffs_put_inode(struct inode *inode); +#endif + static void yaffs_delete_inode(struct inode *); static void yaffs_clear_inode(struct inode *); @@ -301,7 +310,9 @@ static struct super_operations yaffs_super_ops = { #ifndef YAFFS_USE_OWN_IGET .read_inode = yaffs_read_inode, #endif +#ifdef YAFFS_HAS_PUT_INODE .put_inode = yaffs_put_inode, +#endif .put_super = yaffs_put_super, .delete_inode = yaffs_delete_inode, .clear_inode = yaffs_clear_inode, @@ -445,6 +456,9 @@ static struct dentry *yaffs_lookup(struct inode *dir, struct dentry *dentry) } + +#ifdef YAFFS_HAS_PUT_INODE + /* For now put inode is just for debugging * Put inode is called when the inode **structure** is put. */ @@ -455,6 +469,7 @@ static void yaffs_put_inode(struct inode *inode) atomic_read(&inode->i_count))); } +#endif /* clear is called to tell the fs to release any per-inode data it holds */ static void yaffs_clear_inode(struct inode *inode) @@ -699,13 +714,17 @@ static int yaffs_commit_write(struct file *f, struct page *pg, unsigned offset, unsigned to) { - void *addr = page_address(pg) + offset; + void *addr, *kva; + loff_t pos = (((loff_t) pg->index) << PAGE_CACHE_SHIFT) + offset; int nBytes = to - offset; int nWritten; unsigned spos = pos; unsigned saddr = (unsigned)addr; + + kva=kmap(pg); + addr = kva + offset; T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_commit_write addr %x pos %x nBytes %d\n", saddr, @@ -724,6 +743,8 @@ static int yaffs_commit_write(struct file *f, struct page *pg, unsigned offset, SetPageUptodate(pg); } + kunmap(pg); + T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_commit_write returning %d\n", nWritten == nBytes ? 0 : nWritten)); @@ -2304,7 +2325,7 @@ static int __init init_yaffs_fs(void) /* Install the proc_fs entry */ my_proc_entry = create_proc_entry("yaffs", S_IRUGO | S_IFREG, - &proc_root); + YPROC_ROOT); if (my_proc_entry) { my_proc_entry->write_proc = yaffs_proc_write; @@ -2350,7 +2371,7 @@ static void __exit exit_yaffs_fs(void) T(YAFFS_TRACE_ALWAYS, ("yaffs " __DATE__ " " __TIME__ " removing. \n")); - remove_proc_entry("yaffs", &proc_root); + remove_proc_entry("yaffs", YPROC_ROOT); fsinst = fs_to_install;