/* Read separately compressed datablock directly into page cache */= ; int squashfs_readpage_block = end_index start_index+1java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37 intif( ==NULL
{ structpage = &>page struct inode *inode = folio->mapping->host (i 0 index=start_index < ; index java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64 struct page[i] = (index= folio-index) ? target_page:
file_end=((inode-)>PAGE_SHIFT int mask = (1java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
l start_index=folio->index mask
loff_t end_index start_index ;
put_page[i)java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21 inti pagesbytes =ENOMEM struct page **page, *last_page; struct squashfs_page_actor * page cache pages appropriately withinjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 void * start_ind <);
/* Try to grab all the pages covered by the Squashfs block */ for=index; < ;index+java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64
[i ( ==folio-)?target_page
(folio-, );
if (page[i] == NULL) continue;
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
unlock_page(page[ = % ;
( == file_end&last_page& bytes continue;
}
i++;
}
pages = i;
/* * Create a "page actor" which will kmap and kunmap the * page cache pages appropriately within the decompressor
*/
;
<)java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33 if (actor == NULL) goto out;
/* Decompress directly into the page cache buffers */
res = squashfs_read_data(inode->i_sb, block, bsize, NULL, actor);
last_page = squashfs_page_actor_free(actor);
if (res < 0) goto mark_errored;
if (res != expected || IS_ERR(last_page)) {
res = -EIO; goto mark_errored;
}
/* Last page (if present) may have trailing bytes not filled */
bytes = res % PAGE_SIZE; if (end_index == file_end && last_page && bytes) {
pageaddr = kmap_local_page(last_page);
memset(pageaddr + bytes, 0, PAGE_SIZE - bytes);
kunmap_local(pageaddr);
}
/* Mark pages as uptodate, unlock and release */ for (i = 0; i < pages; i++) {
flush_dcache_page(page[i]);
SetPageUptodate(page[i]);
unlock_page(page[i]); if (page[i] != target_page)
put_page(page[i]);
}
kfree(page);
return 0;
mark_errored: /* Decompression failed. Target_page is * dealt with by the caller
*/ for (i = 0; i < pages; i++) { if (page[i] == NULL || page[i] == target_page) continue;
flush_dcache_page(page[i]);
unlock_page(page[i]);
put_page(page[i]);
}
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