Unverified Commit 1b2ae190 authored by Konstantin Komarov's avatar Konstantin Komarov
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fs/ntfs3: check for shutdown in fsync 



Ensure fsync() returns -EIO when the ntfs3 filesystem is in forced
shutdown, instead of silently succeeding via generic_file_fsync().

Signed-off-by: default avatarKonstantin Komarov <almaz.alexandrovich@paragon-software.com>
parent bcbb8d0a

fs/ntfs3/file.c

+13 −1
Original line number Diff line number Diff line
@@ -1440,6 +1440,18 @@ static ssize_t ntfs_file_splice_write(struct pipe_inode_info *pipe, 
	return iter_file_splice_write(pipe, file, ppos, len, flags);

}



/*

 * ntfs_file_fsync - file_operations::fsync

 */

static int ntfs_file_fsync(struct file *file, loff_t start, loff_t end, int datasync)

{

	struct inode *inode = file_inode(file);

	if (unlikely(ntfs3_forced_shutdown(inode->i_sb)))

		return -EIO;



	return generic_file_fsync(file, start, end, datasync);

}



// clang-format off

const struct inode_operations ntfs_file_inode_operations = {

	.getattr	= ntfs_getattr,
@@ -1462,7 +1474,7 @@ const struct file_operations ntfs_file_operations = { 
	.splice_write	= ntfs_file_splice_write,

	.mmap_prepare	= ntfs_file_mmap_prepare,

	.open		= ntfs_file_open,

	.fsync		= generic_file_fsync,

	.fsync		= ntfs_file_fsync,

	.fallocate	= ntfs_fallocate,

	.release	= ntfs_file_release,

};