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-rw-r--r--mm/filemap.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/mm/filemap.c b/mm/filemap.c
index ac8f690..455119c 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -982,7 +982,8 @@ page_ok:
page_not_up_to_date:
/* Get exclusive access to the page ... */
- lock_page(page);
+ if (lock_page_killable(page))
+ goto readpage_eio;
/* Did it get truncated before we got the lock? */
if (!page->mapping) {
@@ -1010,7 +1011,8 @@ readpage:
}
if (!PageUptodate(page)) {
- lock_page(page);
+ if (lock_page_killable(page))
+ goto readpage_eio;
if (!PageUptodate(page)) {
if (page->mapping == NULL) {
/*
@@ -1021,15 +1023,16 @@ readpage:
goto find_page;
}
unlock_page(page);
- error = -EIO;
shrink_readahead_size_eio(filp, ra);
- goto readpage_error;
+ goto readpage_eio;
}
unlock_page(page);
}
goto page_ok;
+readpage_eio:
+ error = -EIO;
readpage_error:
/* UHHUH! A synchronous read error occurred. Report it */
desc->error = error;
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