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authorAlexey Dobriyan <adobriyan@gmail.com>2021-02-24 12:00:51 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2021-02-24 13:38:26 -0800
commit93da400397445f1110b394caab5558d13971378e (patch)
treef0ef13ff4b3864ea375e03f3a91f90eb45838d42 /fs/ramfs
parent3d742d4b6ebb3348e1d478047cfb18b9b337b8df (diff)
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>
Diffstat (limited to 'fs/ramfs')
-rw-r--r--fs/ramfs/inode.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/fs/ramfs/inode.c b/fs/ramfs/inode.c
index 3c2658c8fde0..9ebd17d7befb 100644
--- a/fs/ramfs/inode.c
+++ b/fs/ramfs/inode.c
@@ -151,6 +151,18 @@ static int ramfs_symlink(struct user_namespace *mnt_userns, struct inode *dir,
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 = {
.create = ramfs_create,
.lookup = simple_lookup,
@@ -161,6 +173,7 @@ static const struct inode_operations ramfs_dir_inode_operations = {
.rmdir = simple_rmdir,
.mknod = ramfs_mknod,
.rename = simple_rename,
+ .tmpfile = ramfs_tmpfile,
};
/*