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fuse: restructure ->rename2()

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Make ->rename2() universal, i.e. able to handle zero flags.  This is to
make future change of the API easier.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
This commit is contained in:
Miklos Szeredi 2014-07-10 10:50:19 +02:00
parent c55a01d360
commit 4237ba43b6
1 changed files with 21 additions and 15 deletions
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36
fs/fuse/dir.c
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@ -815,13 +815,6 @@ static int fuse_rename_common(struct inode *olddir, struct dentry *oldent,
return err;
}
static int fuse_rename(struct inode *olddir, struct dentry *oldent,
struct inode *newdir, struct dentry *newent)
{
return fuse_rename_common(olddir, oldent, newdir, newent, 0,
FUSE_RENAME, sizeof(struct fuse_rename_in));
}
static int fuse_rename2(struct inode *olddir, struct dentry *oldent,
struct inode *newdir, struct dentry *newent,
unsigned int flags)
@ -832,17 +825,30 @@ static int fuse_rename2(struct inode *olddir, struct dentry *oldent,
if (flags & ~(RENAME_NOREPLACE | RENAME_EXCHANGE))
return -EINVAL;
if (fc->no_rename2 || fc->minor < 23)
return -EINVAL;
if (flags) {
if (fc->no_rename2 || fc->minor < 23)
return -EINVAL;
err = fuse_rename_common(olddir, oldent, newdir, newent, flags,
FUSE_RENAME2, sizeof(struct fuse_rename2_in));
if (err == -ENOSYS) {
fc->no_rename2 = 1;
err = -EINVAL;
err = fuse_rename_common(olddir, oldent, newdir, newent, flags,
FUSE_RENAME2,
sizeof(struct fuse_rename2_in));
if (err == -ENOSYS) {
fc->no_rename2 = 1;
err = -EINVAL;
}
} else {
err = fuse_rename_common(olddir, oldent, newdir, newent, 0,
FUSE_RENAME,
sizeof(struct fuse_rename_in));
}
return err;
return err;
}
static int fuse_rename(struct inode *olddir, struct dentry *oldent,
struct inode *newdir, struct dentry *newent)
{
return fuse_rename2(olddir, oldent, newdir, newent, 0);
}
static int fuse_link(struct dentry *entry, struct inode *newdir,