Patch "fs/ntfs3: Replace inode_trylock with inode_lock" has been added to the 5.15-stable tree

[Sasha Levin <sashal@xxxxxxxxxx>]

This is a note to let you know that I've just added the patch titled

    fs/ntfs3: Replace inode_trylock with inode_lock

to the 5.15-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     fs-ntfs3-replace-inode_trylock-with-inode_lock.patch
and it can be found in the queue-5.15 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 902bcdbfae4b57b880531a43b6ffd31b0842b51c
Author: Konstantin Komarov <almaz.alexandrovich@xxxxxxxxxxxxxxxxxxxx>
Date:   Thu May 30 10:54:07 2024 +0300

    fs/ntfs3: Replace inode_trylock with inode_lock
    
    [ Upstream commit 69505fe98f198ee813898cbcaf6770949636430b ]
    
    The issue was detected due to xfstest 465 failing.
    
    Fixes: 4342306f0f0d ("fs/ntfs3: Add file operations and implementation")
    Signed-off-by: Konstantin Komarov <almaz.alexandrovich@xxxxxxxxxxxxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/fs/ntfs3/file.c b/fs/ntfs3/file.c
index 6d4f3431bc75a..af7e138064624 100644
--- a/fs/ntfs3/file.c
+++ b/fs/ntfs3/file.c
@@ -398,10 +398,7 @@ static int ntfs_file_mmap(struct file *file, struct vm_area_struct *vma)
 		}
 
 		if (ni->i_valid < to) {
-			if (!inode_trylock(inode)) {
-				err = -EAGAIN;
-				goto out;
-			}
+			inode_lock(inode);
 			err = ntfs_extend_initialized_size(file, ni,
 							   ni->i_valid, to);
 			inode_unlock(inode);