From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965145AbcIHNzc (ORCPT ); Thu, 8 Sep 2016 09:55:32 -0400 Received: from mx2.suse.de ([195.135.220.15]:33963 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756425AbcIHNz3 (ORCPT ); Thu, 8 Sep 2016 09:55:29 -0400 Date: Thu, 8 Sep 2016 15:55:24 +0200 From: Jan Kara To: Miklos Szeredi Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, Al Viro , Jan Kara , "Theodore Ts'o" , Jaegeuk Kim , OGAWA Hirofumi , Mikulas Patocka , David Woodhouse , Dave Kleikamp , Ryusuke Konishi , Bob Copeland , Christoph Hellwig , Richard Weinberger Subject: Re: [PATCH 2/7] fs: support RENAME_NOREPLACE for local filesystems Message-ID: <20160908135524.GG5725@quack2.suse.cz> References: <1471961132-1675-1-git-send-email-mszeredi@redhat.com> <1471961132-1675-3-git-send-email-mszeredi@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1471961132-1675-3-git-send-email-mszeredi@redhat.com> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue 23-08-16 16:05:27, Miklos Szeredi wrote: > This is trivial to do: > > - add flags argument to foo_rename() > - check if flags doesn't have any other than RENAME_NOREPLACE > - assign foo_rename() to .rename2 instead of .rename > > Filesystems converted: > > affs, bfs, ext2, hfs, hfsplus, jffs2, jfs, logfs, minix, msdos, nilfs2, > omfs, reiserfs, sysvfs, ubifs, udf, ufs, vfat. ext2, UDF, and reiserfs changes look fine. You can add: Acked-by: Jan Kara Honza > > Signed-off-by: Miklos Szeredi > Cc: Jan Kara > Cc: Theodore Ts'o > Cc: Jaegeuk Kim > Cc: OGAWA Hirofumi > Cc: Mikulas Patocka > Cc: David Woodhouse > Cc: Dave Kleikamp > Cc: Ryusuke Konishi > Cc: Bob Copeland > Cc: Christoph Hellwig > Cc: Richard Weinberger > --- > fs/affs/affs.h | 3 ++- > fs/affs/dir.c | 2 +- > fs/affs/namei.c | 6 +++++- > fs/bfs/dir.c | 8 ++++++-- > fs/ext2/namei.c | 8 ++++++-- > fs/fat/namei_msdos.c | 8 ++++++-- > fs/fat/namei_vfat.c | 8 ++++++-- > fs/hfs/dir.c | 8 ++++++-- > fs/hfsplus/dir.c | 8 ++++++-- > fs/hpfs/namei.c | 8 ++++++-- > fs/jffs2/dir.c | 11 ++++++++--- > fs/jfs/namei.c | 7 +++++-- > fs/logfs/dir.c | 8 ++++++-- > fs/minix/namei.c | 8 ++++++-- > fs/nilfs2/namei.c | 8 ++++++-- > fs/omfs/dir.c | 8 ++++++-- > fs/reiserfs/namei.c | 8 ++++++-- > fs/sysv/namei.c | 8 ++++++-- > fs/ubifs/dir.c | 8 ++++++-- > fs/udf/namei.c | 8 ++++++-- > fs/ufs/namei.c | 8 ++++++-- > 21 files changed, 117 insertions(+), 40 deletions(-) > > diff --git a/fs/affs/affs.h b/fs/affs/affs.h > index cc2b2efc9211..2f088773f1c0 100644 > --- a/fs/affs/affs.h > +++ b/fs/affs/affs.h > @@ -173,7 +173,8 @@ extern int affs_link(struct dentry *olddentry, struct inode *dir, > extern int affs_symlink(struct inode *dir, struct dentry *dentry, > const char *symname); > extern int affs_rename(struct inode *old_dir, struct dentry *old_dentry, > - struct inode *new_dir, struct dentry *new_dentry); > + struct inode *new_dir, struct dentry *new_dentry, > + unsigned int flags); > > /* inode.c */ > > diff --git a/fs/affs/dir.c b/fs/affs/dir.c > index f1e7294381c5..8f127c239472 100644 > --- a/fs/affs/dir.c > +++ b/fs/affs/dir.c > @@ -35,7 +35,7 @@ const struct inode_operations affs_dir_inode_operations = { > .symlink = affs_symlink, > .mkdir = affs_mkdir, > .rmdir = affs_rmdir, > - .rename = affs_rename, > + .rename2 = affs_rename, > .setattr = affs_notify_change, > }; > > diff --git a/fs/affs/namei.c b/fs/affs/namei.c > index a2d68f828d53..29186d29a3b6 100644 > --- a/fs/affs/namei.c > +++ b/fs/affs/namei.c > @@ -414,12 +414,16 @@ affs_link(struct dentry *old_dentry, struct inode *dir, struct dentry *dentry) > > int > affs_rename(struct inode *old_dir, struct dentry *old_dentry, > - struct inode *new_dir, struct dentry *new_dentry) > + struct inode *new_dir, struct dentry *new_dentry, > + unsigned int flags) > { > struct super_block *sb = old_dir->i_sb; > struct buffer_head *bh = NULL; > int retval; > > + if (flags & ~RENAME_NOREPLACE) > + return -EINVAL; > + > pr_debug("%s(old=%lu,\"%pd\" to new=%lu,\"%pd\")\n", __func__, > old_dir->i_ino, old_dentry, new_dir->i_ino, new_dentry); > > diff --git a/fs/bfs/dir.c b/fs/bfs/dir.c > index 34a5bc2f1290..9d5f875e85d0 100644 > --- a/fs/bfs/dir.c > +++ b/fs/bfs/dir.c > @@ -207,7 +207,8 @@ out_brelse: > } > > static int bfs_rename(struct inode *old_dir, struct dentry *old_dentry, > - struct inode *new_dir, struct dentry *new_dentry) > + struct inode *new_dir, struct dentry *new_dentry, > + unsigned int flags) > { > struct inode *old_inode, *new_inode; > struct buffer_head *old_bh, *new_bh; > @@ -215,6 +216,9 @@ static int bfs_rename(struct inode *old_dir, struct dentry *old_dentry, > struct bfs_sb_info *info; > int error = -ENOENT; > > + if (flags & ~RENAME_NOREPLACE) > + return -EINVAL; > + > old_bh = new_bh = NULL; > old_inode = d_inode(old_dentry); > if (S_ISDIR(old_inode->i_mode)) > @@ -270,7 +274,7 @@ const struct inode_operations bfs_dir_inops = { > .lookup = bfs_lookup, > .link = bfs_link, > .unlink = bfs_unlink, > - .rename = bfs_rename, > + .rename2 = bfs_rename, > }; > > static int bfs_add_entry(struct inode *dir, const unsigned char *name, > diff --git a/fs/ext2/namei.c b/fs/ext2/namei.c > index d446203127fc..38fac85ff786 100644 > --- a/fs/ext2/namei.c > +++ b/fs/ext2/namei.c > @@ -328,7 +328,8 @@ static int ext2_rmdir (struct inode * dir, struct dentry *dentry) > } > > static int ext2_rename (struct inode * old_dir, struct dentry * old_dentry, > - struct inode * new_dir, struct dentry * new_dentry ) > + struct inode * new_dir, struct dentry * new_dentry, > + unsigned int flags) > { > struct inode * old_inode = d_inode(old_dentry); > struct inode * new_inode = d_inode(new_dentry); > @@ -338,6 +339,9 @@ static int ext2_rename (struct inode * old_dir, struct dentry * old_dentry, > struct ext2_dir_entry_2 * old_de; > int err; > > + if (flags & ~RENAME_NOREPLACE) > + return -EINVAL; > + > err = dquot_initialize(old_dir); > if (err) > goto out; > @@ -426,7 +430,7 @@ const struct inode_operations ext2_dir_inode_operations = { > .mkdir = ext2_mkdir, > .rmdir = ext2_rmdir, > .mknod = ext2_mknod, > - .rename = ext2_rename, > + .rename2 = ext2_rename, > #ifdef CONFIG_EXT2_FS_XATTR > .setxattr = generic_setxattr, > .getxattr = generic_getxattr, > diff --git a/fs/fat/namei_msdos.c b/fs/fat/namei_msdos.c > index 664655b2c55f..6c814699d5d5 100644 > --- a/fs/fat/namei_msdos.c > +++ b/fs/fat/namei_msdos.c > @@ -596,12 +596,16 @@ error_inode: > > /***** Rename, a wrapper for rename_same_dir & rename_diff_dir */ > static int msdos_rename(struct inode *old_dir, struct dentry *old_dentry, > - struct inode *new_dir, struct dentry *new_dentry) > + struct inode *new_dir, struct dentry *new_dentry, > + unsigned int flags) > { > struct super_block *sb = old_dir->i_sb; > unsigned char old_msdos_name[MSDOS_NAME], new_msdos_name[MSDOS_NAME]; > int err, is_hid; > > + if (flags & ~RENAME_NOREPLACE) > + return -EINVAL; > + > mutex_lock(&MSDOS_SB(sb)->s_lock); > > err = msdos_format_name(old_dentry->d_name.name, > @@ -633,7 +637,7 @@ static const struct inode_operations msdos_dir_inode_operations = { > .unlink = msdos_unlink, > .mkdir = msdos_mkdir, > .rmdir = msdos_rmdir, > - .rename = msdos_rename, > + .rename2 = msdos_rename, > .setattr = fat_setattr, > .getattr = fat_getattr, > }; > diff --git a/fs/fat/namei_vfat.c b/fs/fat/namei_vfat.c > index 92b7363dafa9..ce8986f3918a 100644 > --- a/fs/fat/namei_vfat.c > +++ b/fs/fat/namei_vfat.c > @@ -903,7 +903,8 @@ out: > } > > static int vfat_rename(struct inode *old_dir, struct dentry *old_dentry, > - struct inode *new_dir, struct dentry *new_dentry) > + struct inode *new_dir, struct dentry *new_dentry, > + unsigned int flags) > { > struct buffer_head *dotdot_bh; > struct msdos_dir_entry *dotdot_de; > @@ -914,6 +915,9 @@ static int vfat_rename(struct inode *old_dir, struct dentry *old_dentry, > int err, is_dir, update_dotdot, corrupt = 0; > struct super_block *sb = old_dir->i_sb; > > + if (flags & ~RENAME_NOREPLACE) > + return -EINVAL; > + > old_sinfo.bh = sinfo.bh = dotdot_bh = NULL; > old_inode = d_inode(old_dentry); > new_inode = d_inode(new_dentry); > @@ -1036,7 +1040,7 @@ static const struct inode_operations vfat_dir_inode_operations = { > .unlink = vfat_unlink, > .mkdir = vfat_mkdir, > .rmdir = vfat_rmdir, > - .rename = vfat_rename, > + .rename2 = vfat_rename, > .setattr = fat_setattr, > .getattr = fat_getattr, > }; > diff --git a/fs/hfs/dir.c b/fs/hfs/dir.c > index 163190ecc0d2..d5ce9fcad10f 100644 > --- a/fs/hfs/dir.c > +++ b/fs/hfs/dir.c > @@ -286,10 +286,14 @@ static int hfs_remove(struct inode *dir, struct dentry *dentry) > * XXX: how do you handle must_be dir? > */ > static int hfs_rename(struct inode *old_dir, struct dentry *old_dentry, > - struct inode *new_dir, struct dentry *new_dentry) > + struct inode *new_dir, struct dentry *new_dentry, > + unsigned int flags) > { > int res; > > + if (flags & ~RENAME_NOREPLACE) > + return -EINVAL; > + > /* Unlink destination if it already exists */ > if (d_really_is_positive(new_dentry)) { > res = hfs_remove(new_dir, new_dentry); > @@ -320,6 +324,6 @@ const struct inode_operations hfs_dir_inode_operations = { > .unlink = hfs_remove, > .mkdir = hfs_mkdir, > .rmdir = hfs_remove, > - .rename = hfs_rename, > + .rename2 = hfs_rename, > .setattr = hfs_inode_setattr, > }; > diff --git a/fs/hfsplus/dir.c b/fs/hfsplus/dir.c > index 42e128661dc1..ca64a75f12b3 100644 > --- a/fs/hfsplus/dir.c > +++ b/fs/hfsplus/dir.c > @@ -530,10 +530,14 @@ static int hfsplus_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) > } > > static int hfsplus_rename(struct inode *old_dir, struct dentry *old_dentry, > - struct inode *new_dir, struct dentry *new_dentry) > + struct inode *new_dir, struct dentry *new_dentry, > + unsigned int flags) > { > int res; > > + if (flags & ~RENAME_NOREPLACE) > + return -EINVAL; > + > /* Unlink destination if it already exists */ > if (d_really_is_positive(new_dentry)) { > if (d_is_dir(new_dentry)) > @@ -561,7 +565,7 @@ const struct inode_operations hfsplus_dir_inode_operations = { > .rmdir = hfsplus_rmdir, > .symlink = hfsplus_symlink, > .mknod = hfsplus_mknod, > - .rename = hfsplus_rename, > + .rename2 = hfsplus_rename, > .setxattr = generic_setxattr, > .getxattr = generic_getxattr, > .listxattr = hfsplus_listxattr, > diff --git a/fs/hpfs/namei.c b/fs/hpfs/namei.c > index bb8d67e2740a..3c5c1a75569d 100644 > --- a/fs/hpfs/namei.c > +++ b/fs/hpfs/namei.c > @@ -507,7 +507,8 @@ const struct address_space_operations hpfs_symlink_aops = { > }; > > static int hpfs_rename(struct inode *old_dir, struct dentry *old_dentry, > - struct inode *new_dir, struct dentry *new_dentry) > + struct inode *new_dir, struct dentry *new_dentry, > + unsigned int flags) > { > const unsigned char *old_name = old_dentry->d_name.name; > unsigned old_len = old_dentry->d_name.len; > @@ -524,6 +525,9 @@ static int hpfs_rename(struct inode *old_dir, struct dentry *old_dentry, > struct fnode *fnode; > int err; > > + if (flags & ~RENAME_NOREPLACE) > + return -EINVAL; > + > if ((err = hpfs_chk_name(new_name, &new_len))) return err; > err = 0; > hpfs_adjust_length(old_name, &old_len); > @@ -618,6 +622,6 @@ const struct inode_operations hpfs_dir_iops = > .mkdir = hpfs_mkdir, > .rmdir = hpfs_rmdir, > .mknod = hpfs_mknod, > - .rename = hpfs_rename, > + .rename2 = hpfs_rename, > .setattr = hpfs_setattr, > }; > diff --git a/fs/jffs2/dir.c b/fs/jffs2/dir.c > index 30eb33ff8189..11e711b12ccf 100644 > --- a/fs/jffs2/dir.c > +++ b/fs/jffs2/dir.c > @@ -35,7 +35,8 @@ static int jffs2_mkdir (struct inode *,struct dentry *,umode_t); > static int jffs2_rmdir (struct inode *,struct dentry *); > static int jffs2_mknod (struct inode *,struct dentry *,umode_t,dev_t); > static int jffs2_rename (struct inode *, struct dentry *, > - struct inode *, struct dentry *); > + struct inode *, struct dentry *, > + unsigned int); > > const struct file_operations jffs2_dir_operations = > { > @@ -57,7 +58,7 @@ const struct inode_operations jffs2_dir_inode_operations = > .mkdir = jffs2_mkdir, > .rmdir = jffs2_rmdir, > .mknod = jffs2_mknod, > - .rename = jffs2_rename, > + .rename2 = jffs2_rename, > .get_acl = jffs2_get_acl, > .set_acl = jffs2_set_acl, > .setattr = jffs2_setattr, > @@ -759,7 +760,8 @@ static int jffs2_mknod (struct inode *dir_i, struct dentry *dentry, umode_t mode > } > > static int jffs2_rename (struct inode *old_dir_i, struct dentry *old_dentry, > - struct inode *new_dir_i, struct dentry *new_dentry) > + struct inode *new_dir_i, struct dentry *new_dentry, > + unsigned int flags) > { > int ret; > struct jffs2_sb_info *c = JFFS2_SB_INFO(old_dir_i->i_sb); > @@ -767,6 +769,9 @@ static int jffs2_rename (struct inode *old_dir_i, struct dentry *old_dentry, > uint8_t type; > uint32_t now; > > + if (flags & ~RENAME_NOREPLACE) > + return -EINVAL; > + > /* The VFS will check for us and prevent trying to rename a > * file over a directory and vice versa, but if it's a directory, > * the VFS can't check whether the victim is empty. The filesystem > diff --git a/fs/jfs/namei.c b/fs/jfs/namei.c > index 814b0c58016c..ee1aa32f7c24 100644 > --- a/fs/jfs/namei.c > +++ b/fs/jfs/namei.c > @@ -1078,7 +1078,8 @@ static int jfs_symlink(struct inode *dip, struct dentry *dentry, > * FUNCTION: rename a file or directory > */ > static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry, > - struct inode *new_dir, struct dentry *new_dentry) > + struct inode *new_dir, struct dentry *new_dentry, > + unsigned int flags) > { > struct btstack btstack; > ino_t ino; > @@ -1097,6 +1098,8 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry, > s64 new_size = 0; > int commit_flag; > > + if (flags & ~RENAME_NOREPLACE) > + return -EINVAL; > > jfs_info("jfs_rename: %pd %pd", old_dentry, new_dentry); > > @@ -1536,7 +1539,7 @@ const struct inode_operations jfs_dir_inode_operations = { > .mkdir = jfs_mkdir, > .rmdir = jfs_rmdir, > .mknod = jfs_mknod, > - .rename = jfs_rename, > + .rename2 = jfs_rename, > .setxattr = generic_setxattr, > .getxattr = generic_getxattr, > .listxattr = jfs_listxattr, > diff --git a/fs/logfs/dir.c b/fs/logfs/dir.c > index 9568064ecadf..57f2da17a905 100644 > --- a/fs/logfs/dir.c > +++ b/fs/logfs/dir.c > @@ -718,8 +718,12 @@ out: > } > > static int logfs_rename(struct inode *old_dir, struct dentry *old_dentry, > - struct inode *new_dir, struct dentry *new_dentry) > + struct inode *new_dir, struct dentry *new_dentry, > + unsigned int flags) > { > + if (flags & ~RENAME_NOREPLACE) > + return -EINVAL; > + > if (d_really_is_positive(new_dentry)) > return logfs_rename_target(old_dir, old_dentry, > new_dir, new_dentry); > @@ -783,7 +787,7 @@ const struct inode_operations logfs_dir_iops = { > .lookup = logfs_lookup, > .mkdir = logfs_mkdir, > .mknod = logfs_mknod, > - .rename = logfs_rename, > + .rename2 = logfs_rename, > .rmdir = logfs_rmdir, > .symlink = logfs_symlink, > .unlink = logfs_unlink, > diff --git a/fs/minix/namei.c b/fs/minix/namei.c > index 2887d1d95ce2..6dc210c0e3ce 100644 > --- a/fs/minix/namei.c > +++ b/fs/minix/namei.c > @@ -185,7 +185,8 @@ static int minix_rmdir(struct inode * dir, struct dentry *dentry) > } > > static int minix_rename(struct inode * old_dir, struct dentry *old_dentry, > - struct inode * new_dir, struct dentry *new_dentry) > + struct inode * new_dir, struct dentry *new_dentry, > + unsigned int flags) > { > struct inode * old_inode = d_inode(old_dentry); > struct inode * new_inode = d_inode(new_dentry); > @@ -195,6 +196,9 @@ static int minix_rename(struct inode * old_dir, struct dentry *old_dentry, > struct minix_dir_entry * old_de; > int err = -ENOENT; > > + if (flags & ~RENAME_NOREPLACE) > + return -EINVAL; > + > old_de = minix_find_entry(old_dentry, &old_page); > if (!old_de) > goto out; > @@ -264,7 +268,7 @@ const struct inode_operations minix_dir_inode_operations = { > .mkdir = minix_mkdir, > .rmdir = minix_rmdir, > .mknod = minix_mknod, > - .rename = minix_rename, > + .rename2 = minix_rename, > .getattr = minix_getattr, > .tmpfile = minix_tmpfile, > }; > diff --git a/fs/nilfs2/namei.c b/fs/nilfs2/namei.c > index dbcf1dc93a51..8540c13ef374 100644 > --- a/fs/nilfs2/namei.c > +++ b/fs/nilfs2/namei.c > @@ -350,7 +350,8 @@ static int nilfs_rmdir(struct inode *dir, struct dentry *dentry) > } > > static int nilfs_rename(struct inode *old_dir, struct dentry *old_dentry, > - struct inode *new_dir, struct dentry *new_dentry) > + struct inode *new_dir, struct dentry *new_dentry, > + unsigned int flags) > { > struct inode *old_inode = d_inode(old_dentry); > struct inode *new_inode = d_inode(new_dentry); > @@ -361,6 +362,9 @@ static int nilfs_rename(struct inode *old_dir, struct dentry *old_dentry, > struct nilfs_transaction_info ti; > int err; > > + if (flags & ~RENAME_NOREPLACE) > + return -EINVAL; > + > err = nilfs_transaction_begin(old_dir->i_sb, &ti, 1); > if (unlikely(err)) > return err; > @@ -552,7 +556,7 @@ const struct inode_operations nilfs_dir_inode_operations = { > .mkdir = nilfs_mkdir, > .rmdir = nilfs_rmdir, > .mknod = nilfs_mknod, > - .rename = nilfs_rename, > + .rename2 = nilfs_rename, > .setattr = nilfs_setattr, > .permission = nilfs_permission, > .fiemap = nilfs_fiemap, > diff --git a/fs/omfs/dir.c b/fs/omfs/dir.c > index c8cbf3b60645..417511bbe362 100644 > --- a/fs/omfs/dir.c > +++ b/fs/omfs/dir.c > @@ -371,12 +371,16 @@ static bool omfs_fill_chain(struct inode *dir, struct dir_context *ctx, > } > > static int omfs_rename(struct inode *old_dir, struct dentry *old_dentry, > - struct inode *new_dir, struct dentry *new_dentry) > + struct inode *new_dir, struct dentry *new_dentry, > + unsigned int flags) > { > struct inode *new_inode = d_inode(new_dentry); > struct inode *old_inode = d_inode(old_dentry); > int err; > > + if (flags & ~RENAME_NOREPLACE) > + return -EINVAL; > + > if (new_inode) { > /* overwriting existing file/dir */ > err = omfs_remove(new_dir, new_dentry); > @@ -444,7 +448,7 @@ static int omfs_readdir(struct file *file, struct dir_context *ctx) > const struct inode_operations omfs_dir_inops = { > .lookup = omfs_lookup, > .mkdir = omfs_mkdir, > - .rename = omfs_rename, > + .rename2 = omfs_rename, > .create = omfs_create, > .unlink = omfs_remove, > .rmdir = omfs_remove, > diff --git a/fs/reiserfs/namei.c b/fs/reiserfs/namei.c > index 8a36696d6df9..21b4b7138985 100644 > --- a/fs/reiserfs/namei.c > +++ b/fs/reiserfs/namei.c > @@ -1306,7 +1306,8 @@ static void set_ino_in_dir_entry(struct reiserfs_dir_entry *de, > * get_empty_nodes or its clones > */ > static int reiserfs_rename(struct inode *old_dir, struct dentry *old_dentry, > - struct inode *new_dir, struct dentry *new_dentry) > + struct inode *new_dir, struct dentry *new_dentry, > + unsigned int flags) > { > int retval; > INITIALIZE_PATH(old_entry_path); > @@ -1321,6 +1322,9 @@ static int reiserfs_rename(struct inode *old_dir, struct dentry *old_dentry, > unsigned long savelink = 1; > struct timespec ctime; > > + if (flags & ~RENAME_NOREPLACE) > + return -EINVAL; > + > /* > * three balancings: (1) old name removal, (2) new name insertion > * and (3) maybe "save" link insertion > @@ -1648,7 +1652,7 @@ const struct inode_operations reiserfs_dir_inode_operations = { > .mkdir = reiserfs_mkdir, > .rmdir = reiserfs_rmdir, > .mknod = reiserfs_mknod, > - .rename = reiserfs_rename, > + .rename2 = reiserfs_rename, > .setattr = reiserfs_setattr, > .setxattr = generic_setxattr, > .getxattr = generic_getxattr, > diff --git a/fs/sysv/namei.c b/fs/sysv/namei.c > index a42de45ce40d..765d79de1217 100644 > --- a/fs/sysv/namei.c > +++ b/fs/sysv/namei.c > @@ -206,7 +206,8 @@ static int sysv_rmdir(struct inode * dir, struct dentry * dentry) > * higher-level routines. > */ > static int sysv_rename(struct inode * old_dir, struct dentry * old_dentry, > - struct inode * new_dir, struct dentry * new_dentry) > + struct inode * new_dir, struct dentry * new_dentry, > + unsigned int flags) > { > struct inode * old_inode = d_inode(old_dentry); > struct inode * new_inode = d_inode(new_dentry); > @@ -216,6 +217,9 @@ static int sysv_rename(struct inode * old_dir, struct dentry * old_dentry, > struct sysv_dir_entry * old_de; > int err = -ENOENT; > > + if (flags & ~RENAME_NOREPLACE) > + return -EINVAL; > + > old_de = sysv_find_entry(old_dentry, &old_page); > if (!old_de) > goto out; > @@ -285,6 +289,6 @@ const struct inode_operations sysv_dir_inode_operations = { > .mkdir = sysv_mkdir, > .rmdir = sysv_rmdir, > .mknod = sysv_mknod, > - .rename = sysv_rename, > + .rename2 = sysv_rename, > .getattr = sysv_getattr, > }; > diff --git a/fs/ubifs/dir.c b/fs/ubifs/dir.c > index 4b86d3a738e1..23d1ebabc688 100644 > --- a/fs/ubifs/dir.c > +++ b/fs/ubifs/dir.c > @@ -966,7 +966,8 @@ static void unlock_3_inodes(struct inode *inode1, struct inode *inode2, > } > > static int ubifs_rename(struct inode *old_dir, struct dentry *old_dentry, > - struct inode *new_dir, struct dentry *new_dentry) > + struct inode *new_dir, struct dentry *new_dentry, > + unsigned int flags) > { > struct ubifs_info *c = old_dir->i_sb->s_fs_info; > struct inode *old_inode = d_inode(old_dentry); > @@ -984,6 +985,9 @@ static int ubifs_rename(struct inode *old_dir, struct dentry *old_dentry, > struct timespec time; > unsigned int uninitialized_var(saved_nlink); > > + if (flags & ~RENAME_NOREPLACE) > + return -EINVAL; > + > /* > * Budget request settings: deletion direntry, new direntry, removing > * the old inode, and changing old and new parent directory inodes. > @@ -1179,7 +1183,7 @@ const struct inode_operations ubifs_dir_inode_operations = { > .mkdir = ubifs_mkdir, > .rmdir = ubifs_rmdir, > .mknod = ubifs_mknod, > - .rename = ubifs_rename, > + .rename2 = ubifs_rename, > .setattr = ubifs_setattr, > .getattr = ubifs_getattr, > .setxattr = generic_setxattr, > diff --git a/fs/udf/namei.c b/fs/udf/namei.c > index c3e5c9679371..ca2ec0061802 100644 > --- a/fs/udf/namei.c > +++ b/fs/udf/namei.c > @@ -1093,7 +1093,8 @@ static int udf_link(struct dentry *old_dentry, struct inode *dir, > * higher-level routines. > */ > static int udf_rename(struct inode *old_dir, struct dentry *old_dentry, > - struct inode *new_dir, struct dentry *new_dentry) > + struct inode *new_dir, struct dentry *new_dentry, > + unsigned int flags) > { > struct inode *old_inode = d_inode(old_dentry); > struct inode *new_inode = d_inode(new_dentry); > @@ -1105,6 +1106,9 @@ static int udf_rename(struct inode *old_dir, struct dentry *old_dentry, > struct kernel_lb_addr tloc; > struct udf_inode_info *old_iinfo = UDF_I(old_inode); > > + if (flags & ~RENAME_NOREPLACE) > + return -EINVAL; > + > ofi = udf_find_entry(old_dir, &old_dentry->d_name, &ofibh, &ocfi); > if (IS_ERR(ofi)) { > retval = PTR_ERR(ofi); > @@ -1353,6 +1357,6 @@ const struct inode_operations udf_dir_inode_operations = { > .mkdir = udf_mkdir, > .rmdir = udf_rmdir, > .mknod = udf_mknod, > - .rename = udf_rename, > + .rename2 = udf_rename, > .tmpfile = udf_tmpfile, > }; > diff --git a/fs/ufs/namei.c b/fs/ufs/namei.c > index a1559f762805..719c9c9b83d8 100644 > --- a/fs/ufs/namei.c > +++ b/fs/ufs/namei.c > @@ -245,7 +245,8 @@ static int ufs_rmdir (struct inode * dir, struct dentry *dentry) > } > > static int ufs_rename(struct inode *old_dir, struct dentry *old_dentry, > - struct inode *new_dir, struct dentry *new_dentry) > + struct inode *new_dir, struct dentry *new_dentry, > + unsigned int flags) > { > struct inode *old_inode = d_inode(old_dentry); > struct inode *new_inode = d_inode(new_dentry); > @@ -255,6 +256,9 @@ static int ufs_rename(struct inode *old_dir, struct dentry *old_dentry, > struct ufs_dir_entry *old_de; > int err = -ENOENT; > > + if (flags & ~RENAME_NOREPLACE) > + return -EINVAL; > + > old_de = ufs_find_entry(old_dir, &old_dentry->d_name, &old_page); > if (!old_de) > goto out; > @@ -333,5 +337,5 @@ const struct inode_operations ufs_dir_inode_operations = { > .mkdir = ufs_mkdir, > .rmdir = ufs_rmdir, > .mknod = ufs_mknod, > - .rename = ufs_rename, > + .rename2 = ufs_rename, > }; > -- > 2.5.5 > -- Jan Kara SUSE Labs, CR