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authorMiklos Szeredi <mszeredi@redhat.com>2021-04-07 14:36:44 +0200
committerMiklos Szeredi <mszeredi@redhat.com>2021-04-12 15:04:29 +0200
commit9cbae74838e62ed2d669d3b7eba181fe807ef842 (patch)
treebfb53c770348f6590cb3f8d1cda934a02cb25fc0 /fs/hfsplus/inode.c
parentd701ea284cf908c2c9aeed54e3c851927155796f (diff)
hfsplus: convert to fileattr
Use the fileattr API to let the VFS handle locking, permission checking and conversion. Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Diffstat (limited to 'fs/hfsplus/inode.c')
-rw-r--r--fs/hfsplus/inode.c54
1 files changed, 54 insertions, 0 deletions
diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c
index 078c5c8a5156..8ea447e5c470 100644
--- a/fs/hfsplus/inode.c
+++ b/fs/hfsplus/inode.c
@@ -17,6 +17,7 @@
#include <linux/sched.h>
#include <linux/cred.h>
#include <linux/uio.h>
+#include <linux/fileattr.h>
#include "hfsplus_fs.h"
#include "hfsplus_raw.h"
@@ -353,6 +354,8 @@ static const struct inode_operations hfsplus_file_inode_operations = {
.setattr = hfsplus_setattr,
.getattr = hfsplus_getattr,
.listxattr = hfsplus_listxattr,
+ .fileattr_get = hfsplus_fileattr_get,
+ .fileattr_set = hfsplus_fileattr_set,
};
static const struct file_operations hfsplus_file_operations = {
@@ -628,3 +631,54 @@ out:
hfs_find_exit(&fd);
return 0;
}
+
+int hfsplus_fileattr_get(struct dentry *dentry, struct fileattr *fa)
+{
+ struct inode *inode = d_inode(dentry);
+ struct hfsplus_inode_info *hip = HFSPLUS_I(inode);
+ unsigned int flags = 0;
+
+ if (inode->i_flags & S_IMMUTABLE)
+ flags |= FS_IMMUTABLE_FL;
+ if (inode->i_flags & S_APPEND)
+ flags |= FS_APPEND_FL;
+ if (hip->userflags & HFSPLUS_FLG_NODUMP)
+ flags |= FS_NODUMP_FL;
+
+ fileattr_fill_flags(fa, flags);
+
+ return 0;
+}
+
+int hfsplus_fileattr_set(struct user_namespace *mnt_userns,
+ struct dentry *dentry, struct fileattr *fa)
+{
+ struct inode *inode = d_inode(dentry);
+ struct hfsplus_inode_info *hip = HFSPLUS_I(inode);
+ unsigned int new_fl = 0;
+
+ if (fileattr_has_fsx(fa))
+ return -EOPNOTSUPP;
+
+ /* don't silently ignore unsupported ext2 flags */
+ if (fa->flags & ~(FS_IMMUTABLE_FL|FS_APPEND_FL|FS_NODUMP_FL))
+ return -EOPNOTSUPP;
+
+ if (fa->flags & FS_IMMUTABLE_FL)
+ new_fl |= S_IMMUTABLE;
+
+ if (fa->flags & FS_APPEND_FL)
+ new_fl |= S_APPEND;
+
+ inode_set_flags(inode, new_fl, S_IMMUTABLE | S_APPEND);
+
+ if (fa->flags & FS_NODUMP_FL)
+ hip->userflags |= HFSPLUS_FLG_NODUMP;
+ else
+ hip->userflags &= ~HFSPLUS_FLG_NODUMP;
+
+ inode->i_ctime = current_time(inode);
+ mark_inode_dirty(inode);
+
+ return 0;
+}