diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/btrfs/async-thread.c | 6 | ||||
| -rw-r--r-- | fs/btrfs/compat.h | 40 | ||||
| -rw-r--r-- | fs/btrfs/crc32c.h | 6 | ||||
| -rw-r--r-- | fs/btrfs/ctree.h | 7 | ||||
| -rw-r--r-- | fs/btrfs/disk-io.c | 28 | ||||
| -rw-r--r-- | fs/btrfs/export.c | 6 | ||||
| -rw-r--r-- | fs/btrfs/extent_io.c | 66 | ||||
| -rw-r--r-- | fs/btrfs/file.c | 24 | ||||
| -rw-r--r-- | fs/btrfs/inode.c | 135 | ||||
| -rw-r--r-- | fs/btrfs/super.c | 7 | ||||
| -rw-r--r-- | fs/btrfs/sysfs.c | 33 | ||||
| -rw-r--r-- | fs/btrfs/volumes.c | 20 |
12 files changed, 10 insertions, 368 deletions
diff --git a/fs/btrfs/async-thread.c b/fs/btrfs/async-thread.c index 2ee3017..4e780b2 100644 --- a/fs/btrfs/async-thread.c +++ b/fs/btrfs/async-thread.c @@ -20,13 +20,7 @@ #include <linux/kthread.h> #include <linux/list.h> #include <linux/spinlock.h> - -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20) # include <linux/freezer.h> -#else -# include <linux/sched.h> -#endif - #include "async-thread.h" /* diff --git a/fs/btrfs/compat.h b/fs/btrfs/compat.h index b0ed188..cd6598b 100644 --- a/fs/btrfs/compat.h +++ b/fs/btrfs/compat.h @@ -1,9 +1,8 @@ #ifndef _COMPAT_H_ #define _COMPAT_H_ -#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,26) -#define trylock_page(page) (!TestSetPageLocked(page)) -#endif +#define btrfs_drop_nlink(inode) drop_nlink(inode) +#define btrfs_inc_nlink(inode) inc_nlink(inode) #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,27) static inline struct dentry *d_obtain_alias(struct inode *inode) @@ -22,39 +21,4 @@ static inline struct dentry *d_obtain_alias(struct inode *inode) } #endif -#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,18) -static inline void btrfs_drop_nlink(struct inode *inode) -{ - inode->i_nlink--; -} - -static inline void btrfs_inc_nlink(struct inode *inode) -{ - inode->i_nlink++; -} -#else -# define btrfs_drop_nlink(inode) drop_nlink(inode) -# define btrfs_inc_nlink(inode) inc_nlink(inode) -#endif - -/* - * Even if AppArmor isn't enabled, it still has different prototypes. - * Add more distro/version pairs here to declare which has AppArmor applied. - */ -#if defined(CONFIG_SUSE_KERNEL) -# if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22) -# define REMOVE_SUID_PATH 1 -# endif -#endif - -/* - * catch any other distros that have patched in apparmor. This isn't - * 100% reliable because it won't catch people that hand compile their - * own distro kernels without apparmor compiled in. But, it is better - * than nothing. - */ -#ifdef CONFIG_SECURITY_APPARMOR -# define REMOVE_SUID_PATH 1 -#endif - #endif /* _COMPAT_H_ */ diff --git a/fs/btrfs/crc32c.h b/fs/btrfs/crc32c.h index bf6c12e..4f0fefe 100644 --- a/fs/btrfs/crc32c.h +++ b/fs/btrfs/crc32c.h @@ -96,13 +96,7 @@ static inline u32 __btrfs_crc32c(u32 crc, unsigned char const *address, * We must workaround older implementations of crc32c_le() * found on older kernel versions. */ -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23) -#define btrfs_crc32c(seed, data, length) \ - __cpu_to_le32( __btrfs_crc32c( __le32_to_cpu(seed), \ - (unsigned char const *)data, length) ) -#else #define btrfs_crc32c(seed, data, length) \ __btrfs_crc32c(seed, (unsigned char const *)data, length) #endif -#endif diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 138c157..3b3c1ca 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -1472,12 +1472,9 @@ static inline u32 btrfs_level_size(struct btrfs_root *root, int level) { ((unsigned long)(btrfs_leaf_data(leaf) + \ btrfs_item_offset_nr(leaf, slot))) -static inline struct dentry *fdentry(struct file *file) { -#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,18) - return file->f_dentry; -#else +static inline struct dentry *fdentry(struct file *file) +{ return file->f_path.dentry; -#endif } /* extent-tree.c */ diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index d35ca6a..dffb8da 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -26,11 +26,7 @@ #include <linux/buffer_head.h> // for block_sync_page #include <linux/workqueue.h> #include <linux/kthread.h> -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20) # include <linux/freezer.h> -#else -# include <linux/sched.h> -#endif #include "crc32c.h" #include "ctree.h" #include "disk-io.h" @@ -373,21 +369,11 @@ out: return ret; } -#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,23) static void end_workqueue_bio(struct bio *bio, int err) -#else -static int end_workqueue_bio(struct bio *bio, - unsigned int bytes_done, int err) -#endif { struct end_io_wq *end_io_wq = bio->bi_private; struct btrfs_fs_info *fs_info; -#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,23) - if (bio->bi_size) - return 1; -#endif - fs_info = end_io_wq->info; end_io_wq->error = err; end_io_wq->work.func = end_workqueue_fn; @@ -397,10 +383,6 @@ static int end_workqueue_bio(struct bio *bio, &end_io_wq->work); else btrfs_queue_worker(&fs_info->endio_workers, &end_io_wq->work); - -#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,23) - return 0; -#endif } int btrfs_bio_wq_end_io(struct btrfs_fs_info *info, struct bio *bio, @@ -1161,9 +1143,7 @@ void btrfs_unplug_io_fn(struct backing_dev_info *bdi, struct page *page) static int setup_bdi(struct btrfs_fs_info *info, struct backing_dev_info *bdi) { -#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,23) bdi_init(bdi); -#endif bdi->ra_pages = default_backing_dev_info.ra_pages; bdi->state = 0; bdi->capabilities = default_backing_dev_info.capabilities; @@ -1242,11 +1222,7 @@ static void end_workqueue_fn(struct btrfs_work *work) bio->bi_private = end_io_wq->private; bio->bi_end_io = end_io_wq->end_io; kfree(end_io_wq); -#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,23) - bio_endio(bio, bio->bi_size, error); -#else bio_endio(bio, error); -#endif } static int cleaner_kthread(void *arg) @@ -1673,9 +1649,7 @@ fail: kfree(extent_root); kfree(tree_root); -#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,23) bdi_destroy(&fs_info->bdi); -#endif kfree(fs_info); return ERR_PTR(err); } @@ -1936,9 +1910,7 @@ int close_ctree(struct btrfs_root *root) btrfs_close_devices(fs_info->fs_devices); btrfs_mapping_tree_free(&fs_info->mapping_tree); -#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,23) bdi_destroy(&fs_info->bdi); -#endif kfree(fs_info->extent_root); kfree(fs_info->tree_root); diff --git a/fs/btrfs/export.c b/fs/btrfs/export.c index 2b357a6..48b82cd 100644 --- a/fs/btrfs/export.c +++ b/fs/btrfs/export.c @@ -7,12 +7,6 @@ #include "export.h" #include "compat.h" -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) -#define FILEID_BTRFS_WITHOUT_PARENT 0x4d -#define FILEID_BTRFS_WITH_PARENT 0x4e -#define FILEID_BTRFS_WITH_PARENT_ROOT 0x4f -#endif - #define BTRFS_FID_SIZE_NON_CONNECTABLE (offsetof(struct btrfs_fid, parent_objectid)/4) #define BTRFS_FID_SIZE_CONNECTABLE (offsetof(struct btrfs_fid, parent_root_objectid)/4) #define BTRFS_FID_SIZE_CONNECTABLE_ROOT (sizeof(struct btrfs_fid)/4) diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 58ad258..e3a25be 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -1397,12 +1397,7 @@ static int check_page_writeback(struct extent_io_tree *tree, * Scheduling is not allowed, so the extent state tree is expected * to have one and only one object corresponding to this IO. */ -#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,23) static void end_bio_extent_writepage(struct bio *bio, int err) -#else -static int end_bio_extent_writepage(struct bio *bio, - unsigned int bytes_done, int err) -#endif { int uptodate = err == 0; struct bio_vec *bvec = bio->bi_io_vec + bio->bi_vcnt - 1; @@ -1412,10 +1407,6 @@ static int end_bio_extent_writepage(struct bio *bio, int whole_page; int ret; -#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,23) - if (bio->bi_size) - return 1; -#endif do { struct page *page = bvec->bv_page; tree = &BTRFS_I(page->mapping->host)->io_tree; @@ -1461,10 +1452,8 @@ static int end_bio_extent_writepage(struct bio *bio, else check_page_writeback(tree, page); } while (bvec >= bio->bi_io_vec); + bio_put(bio); -#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,23) - return 0; -#endif } /* @@ -1478,12 +1467,7 @@ static int end_bio_extent_writepage(struct bio *bio, * Scheduling is not allowed, so the extent state tree is expected * to have one and only one object corresponding to this IO. */ -#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,23) static void end_bio_extent_readpage(struct bio *bio, int err) -#else -static int end_bio_extent_readpage(struct bio *bio, - unsigned int bytes_done, int err) -#endif { int uptodate = test_bit(BIO_UPTODATE, &bio->bi_flags); struct bio_vec *bvec = bio->bi_io_vec + bio->bi_vcnt - 1; @@ -1493,11 +1477,6 @@ static int end_bio_extent_readpage(struct bio *bio, int whole_page; int ret; -#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,23) - if (bio->bi_size) - return 1; -#endif - do { struct page *page = bvec->bv_page; tree = &BTRFS_I(page->mapping->host)->io_tree; @@ -1556,9 +1535,6 @@ static int end_bio_extent_readpage(struct bio *bio, } while (bvec >= bio->bi_io_vec); bio_put(bio); -#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,23) - return 0; -#endif } /* @@ -1566,12 +1542,7 @@ static int end_bio_extent_readpage(struct bio *bio, * the structs in the extent tree when done, and set the uptodate bits * as appropriate. */ -#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,23) static void end_bio_extent_preparewrite(struct bio *bio, int err) -#else -static int end_bio_extent_preparewrite(struct bio *bio, - unsigned int bytes_done, int err) -#endif { const int uptodate = test_bit(BIO_UPTODATE, &bio->bi_flags); struct bio_vec *bvec = bio->bi_io_vec + bio->bi_vcnt - 1; @@ -1579,11 +1550,6 @@ static int end_bio_extent_preparewrite(struct bio *bio, u64 start; u64 end; -#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,23) - if (bio->bi_size) - return 1; -#endif - do { struct page *page = bvec->bv_page; tree = &BTRFS_I(page->mapping->host)->io_tree; @@ -1607,9 +1573,6 @@ static int end_bio_extent_preparewrite(struct bio *bio, } while (bvec >= bio->bi_io_vec); bio_put(bio); -#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,23) - return 0; -#endif } static struct bio * @@ -2079,12 +2042,6 @@ done: return 0; } -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,22) -/* Taken directly from 2.6.23 with a mod for a lockpage hook */ -typedef int (*writepage_t)(struct page *page, struct writeback_control *wbc, - void *data); -#endif - /** * write_cache_pages - walk the list of dirty pages of the given address space and write all of them. * @mapping: address space structure to write @@ -2201,10 +2158,9 @@ retry: } if (wbc->range_cyclic || (range_whole && wbc->nr_to_write > 0)) mapping->writeback_index = index; -#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,26) + if (wbc->range_cont) wbc->range_start = index << PAGE_CACHE_SHIFT; -#endif return ret; } EXPORT_SYMBOL(extent_write_cache_pages); @@ -2560,18 +2516,10 @@ static inline struct page *extent_buffer_page(struct extent_buffer *eb, * by increasing the reference count. So we know the page must * be in the radix tree. */ -#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,26) rcu_read_lock(); -#else - read_lock_irq(&mapping->tree_lock); -#endif p = radix_tree_lookup(&mapping->page_tree, i); - -#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,26) rcu_read_unlock(); -#else - read_unlock_irq(&mapping->tree_lock); -#endif + return p; } @@ -2773,21 +2721,13 @@ int clear_extent_buffer_dirty(struct extent_io_tree *tree, } } clear_page_dirty_for_io(page); -#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,26) spin_lock_irq(&page->mapping->tree_lock); -#else - read_lock_irq(&page->mapping->tree_lock); -#endif if (!PageDirty(page)) { radix_tree_tag_clear(&page->mapping->page_tree, page_index(page), PAGECACHE_TAG_DIRTY); } -#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,26) spin_unlock_irq(&page->mapping->tree_lock); -#else - read_unlock_irq(&page->mapping->tree_lock); -#endif unlock_page(page); } return 0; diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index 48a702d..8856570 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -871,15 +871,8 @@ static ssize_t btrfs_file_write(struct file *file, const char __user *buf, goto out_nolock; if (count == 0) goto out_nolock; -#ifdef REMOVE_SUID_PATH - err = remove_suid(&file->f_path); -#else -# if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,26) + err = file_remove_suid(file); -# else - err = remove_suid(fdentry(file)); -# endif -#endif if (err) goto out_nolock; file_update_time(file); @@ -1003,17 +996,10 @@ out_nolock: btrfs_commit_transaction(trans, root); } } else if (num_written > 0 && (file->f_flags & O_DIRECT)) { -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,22) - do_sync_file_range(file, start_pos, - start_pos + num_written - 1, - SYNC_FILE_RANGE_WRITE | - SYNC_FILE_RANGE_WAIT_AFTER); -#else do_sync_mapping_range(inode->i_mapping, start_pos, start_pos + num_written - 1, SYNC_FILE_RANGE_WRITE | SYNC_FILE_RANGE_WAIT_AFTER); -#endif invalidate_mapping_pages(inode->i_mapping, start_pos >> PAGE_CACHE_SHIFT, (start_pos + num_written - 1) >> PAGE_CACHE_SHIFT); @@ -1097,12 +1083,7 @@ out: } static struct vm_operations_struct btrfs_file_vm_ops = { -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23) - .nopage = filemap_nopage, - .populate = filemap_populate, -#else .fault = filemap_fault, -#endif .page_mkwrite = btrfs_page_mkwrite, }; @@ -1118,9 +1099,6 @@ struct file_operations btrfs_file_operations = { .read = do_sync_read, .aio_read = generic_file_aio_read, .splice_read = generic_file_splice_read, -#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,18) - .sendfile = generic_file_sendfile, -#endif .write = btrfs_file_write, .mmap = btrfs_file_mmap, .open = generic_file_open, diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index adb169d..48a3dc0 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -2073,104 +2073,6 @@ err: return ret; } -/* Kernels earlier than 2.6.28 still have the NFS deadlock where nfsd - will call the file system's ->lookup() method from within its - filldir callback, which in turn was called from the file system's - ->readdir() method. And will deadlock for many file systems. */ -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) - -struct nfshack_dirent { - u64 ino; - loff_t offset; - int namlen; - unsigned int d_type; - char name[]; -}; - -struct nfshack_readdir { - char *dirent; - size_t used; - int full; -}; - - - -static int btrfs_nfshack_filldir(void *__buf, const char *name, int namlen, - loff_t offset, u64 ino, unsigned int d_type) -{ - struct nfshack_readdir *buf = __buf; - struct nfshack_dirent *de = (void *)(buf->dirent + buf->used); - unsigned int reclen; - - reclen = ALIGN(sizeof(struct nfshack_dirent) + namlen, sizeof(u64)); - if (buf->used + reclen > PAGE_SIZE) { - buf->full = 1; - return -EINVAL; - } - - de->namlen = namlen; - de->offset = offset; - de->ino = ino; - de->d_type = d_type; - memcpy(de->name, name, namlen); - buf->used += reclen; - - return 0; -} - -static int btrfs_nfshack_readdir(struct file *file, void *dirent, - filldir_t filldir) -{ - struct nfshack_readdir buf; - struct nfshack_dirent *de; - int err; - int size; - loff_t offset; - - buf.dirent = (void *)__get_free_page(GFP_KERNEL); - if (!buf.dirent) - return -ENOMEM; - - offset = file->f_pos; - - do { - unsigned int reclen; - - buf.used = 0; - buf.full = 0; - err = btrfs_real_readdir(file, &buf, btrfs_nfshack_filldir); - if (err) - break; - - size = buf.used; - - if (!size) - break; - - de = (struct nfshack_dirent *)buf.dirent; - while (size > 0) { - offset = de->offset; - - if (filldir(dirent, de->name, de->namlen, de->offset, - de->ino, de->d_type)) - goto done; - offset = file->f_pos; - - reclen = ALIGN(sizeof(*de) + de->namlen, - sizeof(u64)); - size -= reclen; - de = (struct nfshack_dirent *)((char *)de + reclen); - } - } while (buf.full); - - done: - free_page((unsigned long)buf.dirent); - file->f_pos = offset; - - return err; -} -#endif - int btrfs_write_inode(struct inode *inode, int wait) { struct btrfs_root *root = BTRFS_I(inode)->root; @@ -3311,13 +3213,8 @@ unsigned long btrfs_force_ra(struct address_space *mapping, { pgoff_t req_size = last_index - offset + 1; -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23) - offset = page_cache_readahead(mapping, ra, file, offset, req_size); - return offset; -#else page_cache_sync_readahead(mapping, ra, file, offset, req_size); return offset + req_size; -#endif } struct inode *btrfs_alloc_inode(struct super_block *sb) @@ -3373,14 +3270,7 @@ void btrfs_destroy_inode(struct inode *inode) kmem_cache_free(btrfs_inode_cachep, BTRFS_I(inode)); } -#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,26) static void init_once(void *foo) -#elif LINUX_VERSION_CODE > KERNEL_VERSION(2,6,23) -static void init_once(struct kmem_cache * cachep, void *foo) -#else -static void init_once(void * foo, struct kmem_cache * cachep, - unsigned long flags) -#endif { struct btrfs_inode *ei = (struct btrfs_inode *) foo; @@ -3403,22 +3293,10 @@ void btrfs_destroy_cachep(void) struct kmem_cache *btrfs_cache_create(const char *name, size_t size, unsigned long extra_flags, -#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,26) - void (*ctor)(void *) -#elif LINUX_VERSION_CODE > KERNEL_VERSION(2,6,23) - void (*ctor)(struct kmem_cache *, void *) -#else - void (*ctor)(void *, struct kmem_cache *, - unsigned long) -#endif - ) + void (*ctor)(void *)) { return kmem_cache_create(name, size, 0, (SLAB_RECLAIM_ACCOUNT | - SLAB_MEM_SPREAD | extra_flags), ctor -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23) - ,NULL -#endif - ); + SLAB_MEM_SPREAD | extra_flags), ctor); } int btrfs_init_cachep(void) @@ -3666,12 +3544,7 @@ static int btrfs_set_page_dirty(struct page *page) return __set_page_dirty_nobuffers(page); } -#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,26) static int btrfs_permission(struct inode *inode, int mask) -#else -static int btrfs_permission(struct inode *inode, int mask, - struct nameidata *nd) -#endif { if (btrfs_test_flag(inode, READONLY) && (mask & MAY_WRITE)) return -EACCES; @@ -3702,11 +3575,7 @@ static struct inode_operations btrfs_dir_ro_inode_operations = { static struct file_operations btrfs_dir_file_operations = { .llseek = generic_file_llseek, .read = generic_read_dir, -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) - .readdir = btrfs_nfshack_readdir, -#else /* NFSd readdir/lookup deadlock is fixed */ .readdir = btrfs_real_readdir, -#endif .unlocked_ioctl = btrfs_ioctl, #ifdef CONFIG_COMPAT .compat_ioctl = btrfs_ioctl, diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index f7b3eac..8399d6d 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -349,10 +349,7 @@ static int btrfs_fill_super(struct super_block * sb, sb->s_root = root_dentry; -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,25) save_mount_options(sb, data); -#endif - return 0; fail_close: @@ -566,11 +563,7 @@ static struct super_operations btrfs_super_ops = { .put_super = btrfs_put_super, .write_super = btrfs_write_super, .sync_fs = btrfs_sync_fs, -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25) - .read_inode = btrfs_read_locked_inode, -#else .show_options = generic_show_options, -#endif .write_inode = btrfs_write_inode, .dirty_inode = btrfs_dirty_inode, .alloc_inode = btrfs_alloc_inode, diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c index 61af5d8..300076e 100644 --- a/fs/btrfs/sysfs.c +++ b/fs/btrfs/sysfs.c @@ -28,7 +28,6 @@ #include "disk-io.h" #include "transaction.h" -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,25) static ssize_t root_blocks_used_show(struct btrfs_root *root, char *buf) { return snprintf(buf, PAGE_SIZE, "%llu\n", @@ -267,35 +266,3 @@ void btrfs_exit_sysfs(void) kset_unregister(btrfs_kset); } -#else - -int btrfs_sysfs_add_super(struct btrfs_fs_info *fs) -{ - return 0; -} - -int btrfs_sysfs_add_root(struct btrfs_root *root) -{ - return 0; -} - -void btrfs_sysfs_del_root(struct btrfs_root *root) -{ - return; -} - -void btrfs_sysfs_del_super(struct btrfs_fs_info *fs) -{ - return; -} - -int btrfs_init_sysfs(void) -{ - return 0; -} - -void btrfs_exit_sysfs(void) -{ - return; -} -#endif diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index b9e5c2d..ddf8962 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -2080,20 +2080,11 @@ int btrfs_unplug_page(struct btrfs_mapping_tree *map_tree, } -#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,23) static void end_bio_multi_stripe(struct bio *bio, int err) -#else -static int end_bio_multi_stripe(struct bio *bio, - unsigned int bytes_done, int err) -#endif { struct btrfs_multi_bio *multi = bio->bi_private; int is_orig_bio = 0; -#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,23) - if (bio->bi_size) - return 1; -#endif if (err) atomic_inc(&multi->error); @@ -2122,17 +2113,10 @@ static int end_bio_multi_stripe(struct bio *bio, } kfree(multi); -#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,23) - bio_endio(bio, bio->bi_size, err); -#else bio_endio(bio, err); -#endif } else if (!is_orig_bio) { bio_put(bio); } -#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,23) - return 0; -#endif } struct async_sched { @@ -2248,11 +2232,7 @@ int btrfs_map_bio(struct btrfs_root *root, int rw, struct bio *bio, } else { bio->bi_bdev = root->fs_info->fs_devices->latest_bdev; bio->bi_sector = logical >> 9; -#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,23) - bio_endio(bio, bio->bi_size, -EIO); -#else bio_endio(bio, -EIO); -#endif } dev_nr++; } |
