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fs: support RENAME_NOREPLACE for local filesystems

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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 <mszeredi@redhat.com>
Acked-by: Boaz Harrosh <ooo@electrozaur.com>
Acked-by: Richard Weinberger <richard@nod.at>
Acked-by: Bob Copeland <me@bobcopeland.com>
Acked-by: Jan Kara <jack@suse.cz>
Cc: Theodore Ts'o <tytso@mit.edu>
Cc: Jaegeuk Kim <jaegeuk@kernel.org>
Cc: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Cc: Mikulas Patocka <mpatocka@redhat.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Dave Kleikamp <shaggy@kernel.org>
Cc: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Cc: Christoph Hellwig <hch@infradead.org>
This commit is contained in:
Miklos Szeredi
2016-09-27 11:03:57 +02:00
parent 9a232de499
commit f03b8ad8d3
22 changed files with 123 additions and 42 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
fs/minix/namei.c
View File

@@ -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,
};