From patchwork Wed Dec 5 09:17:23 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Carlos Maiolino X-Patchwork-Id: 10713409 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 56C5D109C for ; Wed, 5 Dec 2018 09:18:06 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 46D492BE54 for ; Wed, 5 Dec 2018 09:18:06 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3B52B2CD12; Wed, 5 Dec 2018 09:18:06 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2B1072BE54 for ; Wed, 5 Dec 2018 09:18:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727135AbeLEJSE (ORCPT ); Wed, 5 Dec 2018 04:18:04 -0500 Received: from mx1.redhat.com ([209.132.183.28]:42268 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726351AbeLEJSE (ORCPT ); Wed, 5 Dec 2018 04:18:04 -0500 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 2F76FC02834C; Wed, 5 Dec 2018 09:18:04 +0000 (UTC) Received: from hades.usersys.redhat.com (unknown [10.43.17.43]) by smtp.corp.redhat.com (Postfix) with ESMTP id D04235D967; Wed, 5 Dec 2018 09:18:02 +0000 (UTC) From: Carlos Maiolino To: linux-fsdevel@vger.kernel.org Cc: hch@lst.de, adilger@dilger.ca, sandeen@redhat.com, david@fromorbit.com Subject: [PATCH 05/10] fs: Move start and length fiemap fields into fiemap_extent_info Date: Wed, 5 Dec 2018 10:17:23 +0100 Message-Id: <20181205091728.29903-6-cmaiolino@redhat.com> In-Reply-To: <20181205091728.29903-1-cmaiolino@redhat.com> References: <20181205091728.29903-1-cmaiolino@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Wed, 05 Dec 2018 09:18:04 +0000 (UTC) Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP As the overall goal to deprecate fibmap, Christoph suggested a rework of the ->fiemap API, in a way we could pass to it a callback to fill the fiemap structure (one of these callbacks being fiemap_fill_next_extent). To avoid the need to add several fields into the ->fiemap method, aggregate everything into a single data structure, and pass it along. This patch isn't suppose to add any functional change, only to update filesystems providing ->fiemap() method. Signed-off-by: Carlos Maiolino Reviewed-by: Christoph Hellwig --- fs/bad_inode.c | 3 +-- fs/btrfs/inode.c | 5 +++-- fs/ext2/ext2.h | 3 +-- fs/ext2/inode.c | 6 ++---- fs/ext4/ext4.h | 3 +-- fs/ext4/extents.c | 8 ++++---- fs/f2fs/data.c | 5 +++-- fs/f2fs/f2fs.h | 3 +-- fs/gfs2/inode.c | 5 +++-- fs/hpfs/file.c | 4 ++-- fs/ioctl.c | 16 ++++++++++------ fs/nilfs2/inode.c | 5 +++-- fs/nilfs2/nilfs.h | 3 +-- fs/ocfs2/extent_map.c | 5 +++-- fs/ocfs2/extent_map.h | 3 +-- fs/overlayfs/inode.c | 5 ++--- fs/xfs/xfs_iops.c | 10 +++++----- include/linux/fs.h | 21 +++++++++++---------- 18 files changed, 57 insertions(+), 56 deletions(-) diff --git a/fs/bad_inode.c b/fs/bad_inode.c index 8035d2a44561..21dfaf876814 100644 --- a/fs/bad_inode.c +++ b/fs/bad_inode.c @@ -120,8 +120,7 @@ static struct posix_acl *bad_inode_get_acl(struct inode *inode, int type) } static int bad_inode_fiemap(struct inode *inode, - struct fiemap_extent_info *fieinfo, u64 start, - u64 len) + struct fiemap_extent_info *fieinfo) { return -EIO; } diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 4a2f9f7fd96e..8afa1ac3d5e9 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -8619,9 +8619,10 @@ static ssize_t btrfs_direct_IO(struct kiocb *iocb, struct iov_iter *iter) #define BTRFS_FIEMAP_FLAGS (FIEMAP_FLAG_SYNC) -static int btrfs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, - __u64 start, __u64 len) +static int btrfs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo) { + u64 start = fieinfo->fi_start; + u64 len = fieinfo->fi_len; int ret; ret = fiemap_check_flags(fieinfo, BTRFS_FIEMAP_FLAGS); diff --git a/fs/ext2/ext2.h b/fs/ext2/ext2.h index e770cd100a6a..368e3e1f201f 100644 --- a/fs/ext2/ext2.h +++ b/fs/ext2/ext2.h @@ -775,8 +775,7 @@ extern void ext2_evict_inode(struct inode *); extern int ext2_get_block(struct inode *, sector_t, struct buffer_head *, int); extern int ext2_setattr (struct dentry *, struct iattr *); extern void ext2_set_inode_flags(struct inode *inode); -extern int ext2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, - u64 start, u64 len); +extern int ext2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo); /* ioctl.c */ extern long ext2_ioctl(struct file *, unsigned int, unsigned long); diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c index e4bb9386c045..98c932167fa8 100644 --- a/fs/ext2/inode.c +++ b/fs/ext2/inode.c @@ -855,11 +855,9 @@ const struct iomap_ops ext2_iomap_ops = { const struct iomap_ops ext2_iomap_ops; #endif /* CONFIG_FS_DAX */ -int ext2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, - u64 start, u64 len) +int ext2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo) { - return generic_block_fiemap(inode, fieinfo, start, len, - ext2_get_block); + return generic_block_fiemap(inode, fieinfo, ext2_get_block); } static int ext2_writepage(struct page *page, struct writeback_control *wbc) diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 3f89d0ab08fc..4ff340688b7b 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -3140,8 +3140,7 @@ extern struct ext4_ext_path *ext4_find_extent(struct inode *, ext4_lblk_t, extern void ext4_ext_drop_refs(struct ext4_ext_path *); extern int ext4_ext_check_inode(struct inode *inode); extern ext4_lblk_t ext4_ext_next_allocated_block(struct ext4_ext_path *path); -extern int ext4_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, - __u64 start, __u64 len); +extern int ext4_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo); extern int ext4_ext_precache(struct inode *inode); extern int ext4_collapse_range(struct inode *inode, loff_t offset, loff_t len); extern int ext4_insert_range(struct inode *inode, loff_t offset, loff_t len); diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index 240b6dea5441..4efd8e5225ec 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -5045,9 +5045,10 @@ static int ext4_xattr_fiemap(struct inode *inode, return (error < 0 ? error : 0); } -int ext4_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, - __u64 start, __u64 len) +int ext4_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo) { + u64 start = fieinfo->fi_start; + u64 len = fieinfo->fi_len; ext4_lblk_t start_blk; int error = 0; @@ -5069,8 +5070,7 @@ int ext4_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, /* fallback to generic here if not in extents fmt */ if (!(ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS))) - return generic_block_fiemap(inode, fieinfo, start, len, - ext4_get_block); + return generic_block_fiemap(inode, fieinfo, ext4_get_block); if (fiemap_check_flags(fieinfo, EXT4_FIEMAP_FLAGS)) return -EBADR; diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index b293cb3e27a2..3ef592ebab1c 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -1401,9 +1401,10 @@ static int f2fs_xattr_fiemap(struct inode *inode, return (err < 0 ? err : 0); } -int f2fs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, - u64 start, u64 len) +int f2fs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo) { + u64 start = fieinfo->fi_start; + u64 len = fieinfo->fi_len; struct buffer_head map_bh; sector_t start_blk, last_blk; pgoff_t next_pgofs; diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 1e031971a466..c2d0ab85d22a 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -3096,8 +3096,7 @@ int f2fs_do_write_data_page(struct f2fs_io_info *fio); void __do_map_lock(struct f2fs_sb_info *sbi, int flag, bool lock); int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map, int create, int flag); -int f2fs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, - u64 start, u64 len); +int f2fs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo); bool f2fs_should_update_inplace(struct inode *inode, struct f2fs_io_info *fio); bool f2fs_should_update_outplace(struct inode *inode, struct f2fs_io_info *fio); void f2fs_invalidate_page(struct page *page, unsigned int offset, diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c index 648f0ca1ad57..9669ad6224da 100644 --- a/fs/gfs2/inode.c +++ b/fs/gfs2/inode.c @@ -2004,9 +2004,10 @@ static int gfs2_getattr(const struct path *path, struct kstat *stat, return 0; } -static int gfs2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, - u64 start, u64 len) +static int gfs2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo) { + u64 start = fieinfo->fi_start; + u64 len = fieinfo->fi_len; struct gfs2_inode *ip = GFS2_I(inode); struct gfs2_holder gh; int ret; diff --git a/fs/hpfs/file.c b/fs/hpfs/file.c index 1ecec124e76f..0eece4ae1f11 100644 --- a/fs/hpfs/file.c +++ b/fs/hpfs/file.c @@ -190,9 +190,9 @@ static sector_t _hpfs_bmap(struct address_space *mapping, sector_t block) return generic_block_bmap(mapping, block, hpfs_get_block); } -static int hpfs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, u64 start, u64 len) +static int hpfs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo) { - return generic_block_fiemap(inode, fieinfo, start, len, hpfs_get_block); + return generic_block_fiemap(inode, fieinfo, hpfs_get_block); } const struct address_space_operations hpfs_aops = { diff --git a/fs/ioctl.c b/fs/ioctl.c index e0cc0dd5f9aa..a8eae8916e01 100644 --- a/fs/ioctl.c +++ b/fs/ioctl.c @@ -208,6 +208,8 @@ static int ioctl_fiemap(struct file *filp, unsigned long arg) fieinfo.fi_flags = fiemap.fm_flags; fieinfo.fi_extents_max = fiemap.fm_extent_count; fieinfo.fi_extents_start = ufiemap->fm_extents; + fieinfo.fi_start = fiemap.fm_start; + fieinfo.fi_len = len; if (fiemap.fm_extent_count != 0 && !access_ok(VERIFY_WRITE, fieinfo.fi_extents_start, @@ -217,7 +219,7 @@ static int ioctl_fiemap(struct file *filp, unsigned long arg) if (fieinfo.fi_flags & FIEMAP_FLAG_SYNC) filemap_write_and_wait(inode->i_mapping); - error = inode->i_op->fiemap(inode, &fieinfo, fiemap.fm_start, len); + error = inode->i_op->fiemap(inode, &fieinfo); fiemap.fm_flags = fieinfo.fi_flags; fiemap.fm_mapped_extents = fieinfo.fi_extents_mapped; if (copy_to_user(ufiemap, &fiemap, sizeof(fiemap))) @@ -294,9 +296,11 @@ static inline loff_t blk_to_logical(struct inode *inode, sector_t blk) */ int __generic_block_fiemap(struct inode *inode, - struct fiemap_extent_info *fieinfo, loff_t start, - loff_t len, get_block_t *get_block) + struct fiemap_extent_info *fieinfo, + get_block_t *get_block) { + loff_t start = fieinfo->fi_start; + loff_t len = fieinfo->fi_len; struct buffer_head map_bh; sector_t start_blk, last_blk; loff_t isize = i_size_read(inode); @@ -453,12 +457,12 @@ EXPORT_SYMBOL(__generic_block_fiemap); */ int generic_block_fiemap(struct inode *inode, - struct fiemap_extent_info *fieinfo, u64 start, - u64 len, get_block_t *get_block) + struct fiemap_extent_info *fieinfo, + get_block_t *get_block) { int ret; inode_lock(inode); - ret = __generic_block_fiemap(inode, fieinfo, start, len, get_block); + ret = __generic_block_fiemap(inode, fieinfo, get_block); inode_unlock(inode); return ret; } diff --git a/fs/nilfs2/inode.c b/fs/nilfs2/inode.c index 671085512e0f..1f37d086371c 100644 --- a/fs/nilfs2/inode.c +++ b/fs/nilfs2/inode.c @@ -992,9 +992,10 @@ void nilfs_dirty_inode(struct inode *inode, int flags) nilfs_transaction_commit(inode->i_sb); /* never fails */ } -int nilfs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, - __u64 start, __u64 len) +int nilfs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo) { + u64 start = fieinfo->fi_start; + u64 len = fieinfo->fi_len; struct the_nilfs *nilfs = inode->i_sb->s_fs_info; __u64 logical = 0, phys = 0, size = 0; __u32 flags = 0; diff --git a/fs/nilfs2/nilfs.h b/fs/nilfs2/nilfs.h index a2f247b6a209..55d1307ed710 100644 --- a/fs/nilfs2/nilfs.h +++ b/fs/nilfs2/nilfs.h @@ -276,8 +276,7 @@ extern int nilfs_inode_dirty(struct inode *); int nilfs_set_file_dirty(struct inode *inode, unsigned int nr_dirty); extern int __nilfs_mark_inode_dirty(struct inode *, int); extern void nilfs_dirty_inode(struct inode *, int flags); -int nilfs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, - __u64 start, __u64 len); +int nilfs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo); static inline int nilfs_mark_inode_dirty(struct inode *inode) { return __nilfs_mark_inode_dirty(inode, I_DIRTY); diff --git a/fs/ocfs2/extent_map.c b/fs/ocfs2/extent_map.c index 06cb96462bf9..e01fd38ea935 100644 --- a/fs/ocfs2/extent_map.c +++ b/fs/ocfs2/extent_map.c @@ -749,8 +749,7 @@ static int ocfs2_fiemap_inline(struct inode *inode, struct buffer_head *di_bh, #define OCFS2_FIEMAP_FLAGS (FIEMAP_FLAG_SYNC) -int ocfs2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, - u64 map_start, u64 map_len) +int ocfs2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo) { int ret, is_last; u32 mapping_end, cpos; @@ -759,6 +758,8 @@ int ocfs2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, u64 len_bytes, phys_bytes, virt_bytes; struct buffer_head *di_bh = NULL; struct ocfs2_extent_rec rec; + u64 map_start = fieinfo->fi_start; + u64 map_len = fieinfo->fi_len; ret = fiemap_check_flags(fieinfo, OCFS2_FIEMAP_FLAGS); if (ret) diff --git a/fs/ocfs2/extent_map.h b/fs/ocfs2/extent_map.h index 1057586ec19f..793be96099c0 100644 --- a/fs/ocfs2/extent_map.h +++ b/fs/ocfs2/extent_map.h @@ -50,8 +50,7 @@ int ocfs2_get_clusters(struct inode *inode, u32 v_cluster, u32 *p_cluster, int ocfs2_extent_map_get_blocks(struct inode *inode, u64 v_blkno, u64 *p_blkno, u64 *ret_count, unsigned int *extent_flags); -int ocfs2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, - u64 map_start, u64 map_len); +int ocfs2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo); int ocfs2_overwrite_io(struct inode *inode, struct buffer_head *di_bh, u64 map_start, u64 map_len); diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c index 6bcc9dedc342..d69c2528673f 100644 --- a/fs/overlayfs/inode.c +++ b/fs/overlayfs/inode.c @@ -465,8 +465,7 @@ int ovl_update_time(struct inode *inode, struct timespec64 *ts, int flags) return 0; } -static int ovl_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, - u64 start, u64 len) +static int ovl_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo) { int err; struct inode *realinode = ovl_inode_real(inode); @@ -480,7 +479,7 @@ static int ovl_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, if (fieinfo->fi_flags & FIEMAP_FLAG_SYNC) filemap_write_and_wait(realinode->i_mapping); - err = realinode->i_op->fiemap(realinode, fieinfo, start, len); + err = realinode->i_op->fiemap(realinode, fieinfo,); revert_creds(old_cred); return err; diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c index f48ffd7a8d3e..1040e8346286 100644 --- a/fs/xfs/xfs_iops.c +++ b/fs/xfs/xfs_iops.c @@ -1092,12 +1092,12 @@ xfs_vn_update_time( STATIC int xfs_vn_fiemap( - struct inode *inode, - struct fiemap_extent_info *fieinfo, - u64 start, - u64 length) + struct inode *inode, + struct fiemap_extent_info *fieinfo) { - int error; + u64 start = fieinfo->fi_start; + u64 length = fieinfo->fi_len; + int error; xfs_ilock(XFS_I(inode), XFS_IOLOCK_SHARED); if (fieinfo->fi_flags & FIEMAP_FLAG_XATTR) { diff --git a/include/linux/fs.h b/include/linux/fs.h index 71dac6e00e27..a7ca228bd191 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1696,11 +1696,14 @@ extern bool may_open_dev(const struct path *path); * VFS FS_IOC_FIEMAP helper definitions. */ struct fiemap_extent_info { - unsigned int fi_flags; /* Flags as passed from user */ - unsigned int fi_extents_mapped; /* Number of mapped extents */ - unsigned int fi_extents_max; /* Size of fiemap_extent array */ - struct fiemap_extent __user *fi_extents_start; /* Start of - fiemap_extent array */ + unsigned int fi_flags; /* Flags as passed from user */ + u64 fi_start; + u64 fi_len; + unsigned int fi_extents_mapped; /* Number of mapped extents */ + unsigned int fi_extents_max; /* Size of fiemap_extent array */ + struct fiemap_extent __user *fi_extents_start; /* Start of + fiemap_extent + array */ }; int fiemap_fill_next_extent(struct fiemap_extent_info *info, u64 logical, u64 phys, u64 len, u32 flags); @@ -1847,8 +1850,7 @@ struct inode_operations { int (*setattr) (struct dentry *, struct iattr *); int (*getattr) (const struct path *, struct kstat *, u32, unsigned int); ssize_t (*listxattr) (struct dentry *, char *, size_t); - int (*fiemap)(struct inode *, struct fiemap_extent_info *, u64 start, - u64 len); + int (*fiemap)(struct inode *, struct fiemap_extent_info *); int (*update_time)(struct inode *, struct timespec64 *, int); int (*atomic_open)(struct inode *, struct dentry *, struct file *, unsigned open_flag, @@ -3207,11 +3209,10 @@ extern int vfs_readlink(struct dentry *, char __user *, int); extern int __generic_block_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, - loff_t start, loff_t len, get_block_t *get_block); extern int generic_block_fiemap(struct inode *inode, - struct fiemap_extent_info *fieinfo, u64 start, - u64 len, get_block_t *get_block); + struct fiemap_extent_info *fieinfo, + get_block_t *get_block); extern struct file_system_type *get_filesystem(struct file_system_type *fs); extern void put_filesystem(struct file_system_type *fs);