From f03b8ad8d38634d13e802165cc15917481b47835 Mon Sep 17 00:00:00 2001 From: Miklos Szeredi Date: Tue, 27 Sep 2016 11:03:57 +0200 Subject: fs: support RENAME_NOREPLACE for local filesystems 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, exofs, ext2, hfs, hfsplus, jffs2, jfs, logfs, minix, msdos, nilfs2, omfs, reiserfs, sysvfs, ubifs, udf, ufs, vfat. Signed-off-by: Miklos Szeredi Acked-by: Boaz Harrosh Acked-by: Richard Weinberger Acked-by: Bob Copeland Acked-by: 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: Christoph Hellwig --- fs/jffs2/dir.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) (limited to 'fs/jffs2') 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 -- cgit v1.2.3 From 2773bf00aeb9bf39e022463272a61dd0ec9f55f4 Mon Sep 17 00:00:00 2001 From: Miklos Szeredi Date: Tue, 27 Sep 2016 11:03:58 +0200 Subject: fs: rename "rename2" i_op to "rename" Generated patch: sed -i "s/\.rename2\t/\.rename\t\t/" `git grep -wl rename2` sed -i "s/\brename2\b/rename/g" `git grep -wl rename2` Signed-off-by: Miklos Szeredi --- fs/jffs2/dir.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'fs/jffs2') diff --git a/fs/jffs2/dir.c b/fs/jffs2/dir.c index 11e711b12ccf..d957734a2adb 100644 --- a/fs/jffs2/dir.c +++ b/fs/jffs2/dir.c @@ -58,7 +58,7 @@ const struct inode_operations jffs2_dir_inode_operations = .mkdir = jffs2_mkdir, .rmdir = jffs2_rmdir, .mknod = jffs2_mknod, - .rename2 = jffs2_rename, + .rename = jffs2_rename, .get_acl = jffs2_get_acl, .set_acl = jffs2_set_acl, .setattr = jffs2_setattr, -- cgit v1.2.3 From 02027d42c3f747945f19111d3da2092ed2148ac8 Mon Sep 17 00:00:00 2001 From: Deepa Dinamani Date: Wed, 14 Sep 2016 07:48:05 -0700 Subject: fs: Replace CURRENT_TIME_SEC with current_time() for inode timestamps CURRENT_TIME_SEC is not y2038 safe. current_time() will be transitioned to use 64 bit time along with vfs in a separate patch. There is no plan to transistion CURRENT_TIME_SEC to use y2038 safe time interfaces. current_time() will also be extended to use superblock range checking parameters when range checking is introduced. This works because alloc_super() fills in the the s_time_gran in super block to NSEC_PER_SEC. Signed-off-by: Deepa Dinamani Acked-by: Jan Kara Signed-off-by: Al Viro --- fs/jffs2/acl.c | 2 +- fs/jffs2/fs.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) (limited to 'fs/jffs2') diff --git a/fs/jffs2/acl.c b/fs/jffs2/acl.c index bc2693d56298..8fd0a7845d88 100644 --- a/fs/jffs2/acl.c +++ b/fs/jffs2/acl.c @@ -242,7 +242,7 @@ int jffs2_set_acl(struct inode *inode, struct posix_acl *acl, int type) attr.ia_valid = ATTR_MODE | ATTR_CTIME; attr.ia_mode = mode; - attr.ia_ctime = CURRENT_TIME_SEC; + attr.ia_ctime = current_time(inode); rc = jffs2_do_setattr(inode, &attr); if (rc < 0) return rc; diff --git a/fs/jffs2/fs.c b/fs/jffs2/fs.c index ae2ebb26b446..2478e0b98441 100644 --- a/fs/jffs2/fs.c +++ b/fs/jffs2/fs.c @@ -472,7 +472,7 @@ struct inode *jffs2_new_inode (struct inode *dir_i, umode_t mode, struct jffs2_r inode->i_mode = jemode_to_cpu(ri->mode); i_gid_write(inode, je16_to_cpu(ri->gid)); i_uid_write(inode, je16_to_cpu(ri->uid)); - inode->i_atime = inode->i_ctime = inode->i_mtime = CURRENT_TIME_SEC; + inode->i_atime = inode->i_ctime = inode->i_mtime = current_time(inode); ri->atime = ri->mtime = ri->ctime = cpu_to_je32(I_SEC(inode->i_mtime)); inode->i_blocks = 0; -- cgit v1.2.3