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[1/2] efivarfs: Update inode modification time for successful writes

Message ID 20200528194905.690-2-tony.luck@intel.com
State New
Headers show
Series [1/2] efivarfs: Update inode modification time for successful writes | expand

Commit Message

Luck, Tony May 28, 2020, 7:49 p.m. UTC 
Some applications want to be able to see when EFI variables
have been updated.

Update the modification time for successful writes.

Reported-by: Lennart Poettering <mzxreary@0pointer.de>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
 fs/efivarfs/file.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/fs/efivarfs/file.c b/fs/efivarfs/file.c
index e9e27a271af0..4b8bc4560d70 100644
--- a/fs/efivarfs/file.c
+++ b/fs/efivarfs/file.c
@@ -51,6 +51,7 @@  static ssize_t efivarfs_file_write(struct file *file,
 	} else {
 		inode_lock(inode);
 		i_size_write(inode, datasize + sizeof(attributes));
+		inode->i_mtime = current_time(inode);
 		inode_unlock(inode);
 	}