diff options
Diffstat (limited to 'fs/ntfs')
| -rw-r--r-- | fs/ntfs/Makefile | 2 | ||||
| -rw-r--r-- | fs/ntfs/file.c | 35 | ||||
| -rw-r--r-- | fs/ntfs/inode.c | 9 | ||||
| -rw-r--r-- | fs/ntfs/super.c | 6 |
4 files changed, 29 insertions, 23 deletions
diff --git a/fs/ntfs/Makefile b/fs/ntfs/Makefile index 58b6be992544..4ff028fcfd6e 100644 --- a/fs/ntfs/Makefile +++ b/fs/ntfs/Makefile @@ -6,7 +6,7 @@ ntfs-objs := aops.o attrib.o collate.o compress.o debug.o dir.o file.o \ index.o inode.o mft.o mst.o namei.o runlist.o super.o sysctl.o \ unistr.o upcase.o -EXTRA_CFLAGS = -DNTFS_VERSION=\"2.1.29\" +EXTRA_CFLAGS = -DNTFS_VERSION=\"2.1.30\" ifeq ($(CONFIG_NTFS_DEBUG),y) EXTRA_CFLAGS += -DDEBUG diff --git a/fs/ntfs/file.c b/fs/ntfs/file.c index 113ebd9f25a4..f4b1057abdd2 100644 --- a/fs/ntfs/file.c +++ b/fs/ntfs/file.c @@ -1,7 +1,7 @@ /* * file.c - NTFS kernel file operations. Part of the Linux-NTFS project. * - * Copyright (c) 2001-2007 Anton Altaparmakov + * Copyright (c) 2001-2011 Anton Altaparmakov and Tuxera Inc. * * This program/include file is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as published @@ -1380,15 +1380,14 @@ static inline void ntfs_set_next_iovec(const struct iovec **iovp, * pages (out to offset + bytes), to emulate ntfs_copy_from_user()'s * single-segment behaviour. * - * We call the same helper (__ntfs_copy_from_user_iovec_inatomic()) both - * when atomic and when not atomic. This is ok because - * __ntfs_copy_from_user_iovec_inatomic() calls __copy_from_user_inatomic() - * and it is ok to call this when non-atomic. - * Infact, the only difference between __copy_from_user_inatomic() and + * We call the same helper (__ntfs_copy_from_user_iovec_inatomic()) both when + * atomic and when not atomic. This is ok because it calls + * __copy_from_user_inatomic() and it is ok to call this when non-atomic. In + * fact, the only difference between __copy_from_user_inatomic() and * __copy_from_user() is that the latter calls might_sleep() and the former - * should not zero the tail of the buffer on error. And on many - * architectures __copy_from_user_inatomic() is just defined to - * __copy_from_user() so it makes no difference at all on those architectures. + * should not zero the tail of the buffer on error. And on many architectures + * __copy_from_user_inatomic() is just defined to __copy_from_user() so it + * makes no difference at all on those architectures. */ static inline size_t ntfs_copy_from_user_iovec(struct page **pages, unsigned nr_pages, unsigned ofs, const struct iovec **iov, @@ -1409,28 +1408,28 @@ static inline size_t ntfs_copy_from_user_iovec(struct page **pages, if (unlikely(copied != len)) { /* Do it the slow way. */ addr = kmap(*pages); - copied = __ntfs_copy_from_user_iovec_inatomic(addr + ofs, - *iov, *iov_ofs, len); - /* - * Zero the rest of the target like __copy_from_user(). - */ - memset(addr + ofs + copied, 0, len - copied); - kunmap(*pages); + copied = __ntfs_copy_from_user_iovec_inatomic(addr + + ofs, *iov, *iov_ofs, len); if (unlikely(copied != len)) goto err_out; + kunmap(*pages); } total += len; + ntfs_set_next_iovec(iov, iov_ofs, len); bytes -= len; if (!bytes) break; - ntfs_set_next_iovec(iov, iov_ofs, len); ofs = 0; } while (++pages < last_page); out: return total; err_out: - total += copied; + BUG_ON(copied > len); /* Zero the rest of the target like __copy_from_user(). */ + memset(addr + ofs + copied, 0, len - copied); + kunmap(*pages); + total += copied; + ntfs_set_next_iovec(iov, iov_ofs, copied); while (++pages < last_page) { bytes -= len; if (!bytes) diff --git a/fs/ntfs/inode.c b/fs/ntfs/inode.c index 93622b175fc7..a627ed82c0a3 100644 --- a/fs/ntfs/inode.c +++ b/fs/ntfs/inode.c @@ -332,6 +332,13 @@ struct inode *ntfs_alloc_big_inode(struct super_block *sb) return NULL; } +static void ntfs_i_callback(struct rcu_head *head) +{ + struct inode *inode = container_of(head, struct inode, i_rcu); + INIT_LIST_HEAD(&inode->i_dentry); + kmem_cache_free(ntfs_big_inode_cache, NTFS_I(inode)); +} + void ntfs_destroy_big_inode(struct inode *inode) { ntfs_inode *ni = NTFS_I(inode); @@ -340,7 +347,7 @@ void ntfs_destroy_big_inode(struct inode *inode) BUG_ON(ni->page); if (!atomic_dec_and_test(&ni->count)) BUG(); - kmem_cache_free(ntfs_big_inode_cache, NTFS_I(inode)); + call_rcu(&inode->i_rcu, ntfs_i_callback); } static inline ntfs_inode *ntfs_alloc_extent_inode(void) diff --git a/fs/ntfs/super.c b/fs/ntfs/super.c index a30ecacc01f2..29099a07b9fe 100644 --- a/fs/ntfs/super.c +++ b/fs/ntfs/super.c @@ -1,7 +1,7 @@ /* * super.c - NTFS kernel super block handling. Part of the Linux-NTFS project. * - * Copyright (c) 2001-2007 Anton Altaparmakov + * Copyright (c) 2001-2011 Anton Altaparmakov and Tuxera Inc. * Copyright (c) 2001,2002 Richard Russon * * This program/include file is free software; you can redistribute it and/or @@ -3193,8 +3193,8 @@ static void __exit exit_ntfs_fs(void) ntfs_sysctl(0); } -MODULE_AUTHOR("Anton Altaparmakov <aia21@cantab.net>"); -MODULE_DESCRIPTION("NTFS 1.2/3.x driver - Copyright (c) 2001-2007 Anton Altaparmakov"); +MODULE_AUTHOR("Anton Altaparmakov <anton@tuxera.com>"); +MODULE_DESCRIPTION("NTFS 1.2/3.x driver - Copyright (c) 2001-2011 Anton Altaparmakov and Tuxera Inc."); MODULE_VERSION(NTFS_VERSION); MODULE_LICENSE("GPL"); #ifdef DEBUG |