mirror of https://gitee.com/openkylin/linux.git
[PATCH] cifs: ->readpages() fixes
This just ignore the remaining pages, and will fix a forgot put_pages_list(). Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Cc: Steven French <sfrench@us.ibm.com> Cc: Miklos Szeredi <miklos@szeredi.hu> Cc: Steven Whitehouse <swhiteho@redhat.com> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -1806,13 +1806,6 @@ static int cifs_readpages(struct file *file, struct address_space *mapping,
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}
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if ((rc < 0) || (smb_read_data == NULL)) {
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cFYI(1, ("Read error in readpages: %d", rc));
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/* clean up remaing pages off list */
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while (!list_empty(page_list) && (i < num_pages)) {
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page = list_entry(page_list->prev, struct page,
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lru);
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list_del(&page->lru);
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page_cache_release(page);
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}
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break;
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} else if (bytes_read > 0) {
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pSMBr = (struct smb_com_read_rsp *)smb_read_data;
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@ -1831,13 +1824,7 @@ static int cifs_readpages(struct file *file, struct address_space *mapping,
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this case is ok - if we are at server EOF
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we will hit it on next read */
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/* while (!list_empty(page_list) && (i < num_pages)) {
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page = list_entry(page_list->prev,
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struct page, list);
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list_del(&page->list);
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page_cache_release(page);
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}
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break; */
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/* break; */
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}
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} else {
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cFYI(1, ("No bytes read (%d) at offset %lld . "
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@ -1845,14 +1832,6 @@ static int cifs_readpages(struct file *file, struct address_space *mapping,
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bytes_read, offset));
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/* BB turn off caching and do new lookup on
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file size at server? */
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while (!list_empty(page_list) && (i < num_pages)) {
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page = list_entry(page_list->prev, struct page,
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lru);
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list_del(&page->lru);
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/* BB removeme - replace with zero of page? */
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page_cache_release(page);
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}
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break;
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}
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if (smb_read_data) {
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