diff options
Diffstat (limited to 'fs/ext4')
| -rw-r--r-- | fs/ext4/Kconfig | 14 | ||||
| -rw-r--r-- | fs/ext4/inode.c | 28 | ||||
| -rw-r--r-- | fs/ext4/super.c | 31 |
3 files changed, 15 insertions, 58 deletions
diff --git a/fs/ext4/Kconfig b/fs/ext4/Kconfig index d5c0ea2e8f2d..9f2d45d75b1a 100644 --- a/fs/ext4/Kconfig +++ b/fs/ext4/Kconfig @@ -26,20 +26,6 @@ config EXT4_FS If unsure, say N. -config EXT4DEV_COMPAT - bool "Enable ext4dev compatibility" - depends on EXT4_FS - help - Starting with 2.6.28, the name of the ext4 filesystem was - renamed from ext4dev to ext4. Unfortunately there are some - legacy userspace programs (such as klibc's fstype) have - "ext4dev" hardcoded. - - To enable backwards compatibility so that systems that are - still expecting to mount ext4 filesystems using ext4dev, - choose Y here. This feature will go away by 2.6.31, so - please arrange to get your userspace programs fixed! - config EXT4_FS_XATTR bool "Ext4 extended attributes" depends on EXT4_FS diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index ec367bce7215..5c5bc5dafff8 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -1146,8 +1146,8 @@ static int check_block_validity(struct inode *inode, const char *msg, } /* - * Return the number of dirty pages in the given inode starting at - * page frame idx. + * Return the number of contiguous dirty pages in a given inode + * starting at page frame idx. */ static pgoff_t ext4_num_dirty_pages(struct inode *inode, pgoff_t idx, unsigned int max_pages) @@ -1181,15 +1181,15 @@ static pgoff_t ext4_num_dirty_pages(struct inode *inode, pgoff_t idx, unlock_page(page); break; } - head = page_buffers(page); - bh = head; - do { - if (!buffer_delay(bh) && - !buffer_unwritten(bh)) { - done = 1; - break; - } - } while ((bh = bh->b_this_page) != head); + if (page_has_buffers(page)) { + bh = head = page_buffers(page); + do { + if (!buffer_delay(bh) && + !buffer_unwritten(bh)) + done = 1; + bh = bh->b_this_page; + } while (!done && (bh != head)); + } unlock_page(page); if (done) break; @@ -3378,6 +3378,7 @@ static ssize_t ext4_ind_direct_IO(int rw, struct kiocb *iocb, ssize_t ret; int orphan = 0; size_t count = iov_length(iov, nr_segs); + int retries = 0; if (rw == WRITE) { loff_t final_size = offset + count; @@ -3400,9 +3401,12 @@ static ssize_t ext4_ind_direct_IO(int rw, struct kiocb *iocb, } } +retry: ret = blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev, iov, offset, nr_segs, ext4_get_block, NULL); + if (ret == -ENOSPC && ext4_should_retry_alloc(inode->i_sb, &retries)) + goto retry; if (orphan) { int err; @@ -5612,14 +5616,12 @@ int ext4_mark_inode_dirty(handle_t *handle, struct inode *inode) */ void ext4_dirty_inode(struct inode *inode) { - handle_t *current_handle = ext4_journal_current_handle(); handle_t *handle; handle = ext4_journal_start(inode, 2); if (IS_ERR(handle)) goto out; - jbd_debug(5, "marking dirty. outer handle=%p\n", current_handle); ext4_mark_inode_dirty(handle, inode); ext4_journal_stop(handle); diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 12e726a7073f..312211ee05af 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -3966,27 +3966,6 @@ static struct file_system_type ext4_fs_type = { .fs_flags = FS_REQUIRES_DEV, }; -#ifdef CONFIG_EXT4DEV_COMPAT -static int ext4dev_get_sb(struct file_system_type *fs_type, int flags, - const char *dev_name, void *data,struct vfsmount *mnt) -{ - printk(KERN_WARNING "EXT4-fs (%s): Update your userspace programs " - "to mount using ext4\n", dev_name); - printk(KERN_WARNING "EXT4-fs (%s): ext4dev backwards compatibility " - "will go away by 2.6.31\n", dev_name); - return get_sb_bdev(fs_type, flags, dev_name, data, ext4_fill_super,mnt); -} - -static struct file_system_type ext4dev_fs_type = { - .owner = THIS_MODULE, - .name = "ext4dev", - .get_sb = ext4dev_get_sb, - .kill_sb = kill_block_super, - .fs_flags = FS_REQUIRES_DEV, -}; -MODULE_ALIAS("ext4dev"); -#endif - static int __init init_ext4_fs(void) { int err; @@ -4011,13 +3990,6 @@ static int __init init_ext4_fs(void) err = register_filesystem(&ext4_fs_type); if (err) goto out; -#ifdef CONFIG_EXT4DEV_COMPAT - err = register_filesystem(&ext4dev_fs_type); - if (err) { - unregister_filesystem(&ext4_fs_type); - goto out; - } -#endif return 0; out: destroy_inodecache(); @@ -4036,9 +4008,6 @@ out4: static void __exit exit_ext4_fs(void) { unregister_filesystem(&ext4_fs_type); -#ifdef CONFIG_EXT4DEV_COMPAT - unregister_filesystem(&ext4dev_fs_type); -#endif destroy_inodecache(); exit_ext4_xattr(); exit_ext4_mballoc(); |