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H A Dtruncate.cdiff b9a8a4195c7d3a51235a4fc974a46ad4e9689ffd Wed May 27 16:59:22 CDT 2020 Matthew Wilcox (Oracle) <willy@infradead.org> truncate,shmem: Handle truncates that split large folios

Handle folio splitting in the parts of the truncation functions which
already handle partial pages. Factor all that code out into a new
function called truncate_inode_partial_folio().

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: William Kucharski <william.kucharski@oracle.com>
H A Dinternal.hdiff b9a8a4195c7d3a51235a4fc974a46ad4e9689ffd Wed May 27 16:59:22 CDT 2020 Matthew Wilcox (Oracle) <willy@infradead.org> truncate,shmem: Handle truncates that split large folios

Handle folio splitting in the parts of the truncation functions which
already handle partial pages. Factor all that code out into a new
function called truncate_inode_partial_folio().

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: William Kucharski <william.kucharski@oracle.com>
H A Dshmem.cdiff b9a8a4195c7d3a51235a4fc974a46ad4e9689ffd Wed May 27 16:59:22 CDT 2020 Matthew Wilcox (Oracle) <willy@infradead.org> truncate,shmem: Handle truncates that split large folios

Handle folio splitting in the parts of the truncation functions which
already handle partial pages. Factor all that code out into a new
function called truncate_inode_partial_folio().

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: William Kucharski <william.kucharski@oracle.com>