[PATCH 2/2 linux-next] AFFS: add tmpfile support

Fabian Frederick
2015-05-05T18:06:23Z

Based on the following patch:
commit 60545d0d4610 ("[O_TMPFILE] it's still short a few helpers,
but infrastructure should be OK now...")

Tested with xfstests generic/004

Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Jan Kara <jack@suse.cz>
Signed-off-by: Fabian Frederick <fabf@skynet.be>
---
fs/affs/affs.h | 1 +
fs/affs/dir.c | 1 +
fs/affs/namei.c | 23 +++++++++++++++++++++++
3 files changed, 25 insertions(+)

diff --git a/fs/affs/affs.h b/fs/affs/affs.h
index cffe837..c3f60a5 100644
--- a/fs/affs/affs.h
+++ b/fs/affs/affs.h
@@ -180,6 +180,7 @@ extern int affs_rename(struct inode *old_dir, struct dentry *old_dentry,
extern unsigned long affs_parent_ino(struct inode *dir);
extern struct inode *affs_new_inode(struct inode *dir);
extern int affs_notify_change(struct dentry *dentry, struct iattr *attr);
+extern int affs_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode);
extern void affs_evict_inode(struct inode *inode);
extern struct inode *affs_iget(struct super_block *sb,
unsigned long ino);
diff --git a/fs/affs/dir.c b/fs/affs/dir.c
index ac4f318..2b0e5ea 100644
--- a/fs/affs/dir.c
+++ b/fs/affs/dir.c
@@ -37,6 +37,7 @@ const struct inode_operations affs_dir_inode_operations = {
.rmdir = affs_rmdir,
.rename = affs_rename,
.setattr = affs_notify_change,
+ .tmpfile = affs_tmpfile,
};

static int
diff --git a/fs/affs/namei.c b/fs/affs/namei.c
index b183540..7c3909a 100644
--- a/fs/affs/namei.c
+++ b/fs/affs/namei.c
@@ -466,3 +466,26 @@ done:
affs_brelse(bh);
return retval;
}
+
+int affs_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode)
+{
+
+ struct super_block *sb = dir->i_sb;
+ struct affs_sb_info *sbi = AFFS_SB(sb);
+ struct inode *inode;
+
+ inode = affs_new_inode(dir);
+ if (!inode)
+ return -ENOSPC;
+
+ inode->i_mode = mode;
+ mode_to_prot(inode);
+ inode->i_mapping->a_ops = affs_test_opt(sbi->s_flags, SF_OFS) ?
+ &affs_aops_ofs : &affs_aops;
+ inode->i_op = &affs_file_inode_operations;
+ inode->i_fop = &affs_file_operations;
+ mark_inode_dirty(inode);
+ d_tmpfile(dentry, inode);
+ unlock_new_inode(inode);
+ return 0;
+}
--
1.9.1