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ramfs: support O_TMPFILE 

[akpm@linux-foundation.org: update inode_operations.tmpfile]

Link: http://lkml.kernel.org/r/20190206073349.GA15311@avx2
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alexey Dobriyan 2021-02-24 12:00:51 -08:00 committed by Linus Torvalds
parent 3d742d4b6e
commit 93da400397
1 changed files with 13 additions and 0 deletions
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13
fs/ramfs/inode.c
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@ -151,6 +151,18 @@ static int ramfs_symlink(struct user_namespace *mnt_userns, struct inode *dir,
return error; return error;
} }
static int ramfs_tmpfile(struct user_namespace *mnt_userns,
struct inode *dir, struct dentry *dentry, umode_t mode)
{
struct inode *inode;
inode = ramfs_get_inode(dir->i_sb, dir, mode, 0);
if (!inode)
return -ENOSPC;
d_tmpfile(dentry, inode);
return 0;
}
static const struct inode_operations ramfs_dir_inode_operations = { static const struct inode_operations ramfs_dir_inode_operations = {
.create = ramfs_create, .create = ramfs_create,
.lookup = simple_lookup, .lookup = simple_lookup,
@ -161,6 +173,7 @@ static const struct inode_operations ramfs_dir_inode_operations = {
.rmdir = simple_rmdir, .rmdir = simple_rmdir,
.mknod = ramfs_mknod, .mknod = ramfs_mknod,
.rename = simple_rename, .rename = simple_rename,
.tmpfile = ramfs_tmpfile,
}; };
/* /*