[patch 013/173] ramfs: support O_TMPFILE
From: Andrew Morton <akpm@linux-foundation.org>
Date: 2021-02-24 20:00:56
Also in:
mm-commits
From: Alexey Dobriyan <redacted> Subject: 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 <redacted> Cc: Christian Brauner <redacted> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> --- fs/ramfs/inode.c | 13 +++++++++++++ 1 file changed, 13 insertions(+)
--- a/fs/ramfs/inode.c~ramfs-support-o_tmpfile
+++ a/fs/ramfs/inode.c@@ -151,6 +151,18 @@ static int ramfs_symlink(struct user_nam 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 ram .rmdir = simple_rmdir, .mknod = ramfs_mknod, .rename = simple_rename, + .tmpfile = ramfs_tmpfile, }; /*
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