Steve French a395726cf8 cifs: fix data corruption in read after invalidate ... When invalidating a file as part of breaking a lease, the folios holding the file data are disposed of, and truncate calls ->invalidate_folio() to get rid of them rather than calling ->release_folio(). This means that the netfs_inode::zero_point value didn't get updated in current upstream code to reflect the point after which we can assume that the server will only return zeroes, and future reads will then return blocks of zeroes if the file got extended for any region beyond the old zero point. Fix this by updating zero_point before invalidating the inode in cifs_revalidate_mapping(). Suggested-by: David Howells <dhowells@redhat.com> Fixes: 3ee1a1fc39 ("cifs: Cut over to using netfslib") Reviewed-by: David Howells <dhowell@redhat.com> Signed-off-by: Steve French <stfrench@microsoft.com>		2024-05-15 17:22:59 -05:00
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client	cifs: fix data corruption in read after invalidate	2024-05-15 17:22:59 -05:00
common	smb: smb2pdu.h: Avoid -Wflex-array-member-not-at-end warnings	2024-05-13 16:46:56 -05:00
server	smb: smb2pdu.h: Avoid -Wflex-array-member-not-at-end warnings	2024-05-13 16:46:56 -05:00
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