Displaying 3 results from an estimated 3 matches for "clearpageerror".
2012 Mar 23
2
btrfs crash after disk reconnect
...9] sd 3:0:1:0: [sdf] CDB: Read(10): 28 00 4f 72 ca a0 00 00 08 00
[44121.744439] end_request: I/O error, dev sdf, sector 1332923043
[44121.744477] ata4: EH complete
[44121.744519] BUG: unable to handle kernel NULL pointer dereference at (null)
[44121.744556] IP: [<ffffffffa0321715>] ClearPageError+0x5/0x5 [btrfs]
[44121.744666] PGD 37fb6067 PUD 3b504067 PMD 0
[44121.744692] Oops: 0000 [#1] SMP
[44121.744707] CPU 2
[44121.744714] Modules linked in: f71882fg coretemp nfsd nfs lockd fscache auth_rpcgss nfs_acl sunrpc bonding mperf btrfs zlib_deflate i915 drm_kms_helper drm i2c_algo_bit intel...
2007 Apr 18
0
[patch 7/9] Guest page hinting: minor fault optimization.
...* Somebody else successfully read it in? */
if (PageUptodate(page)) {
unlock_page(page);
+ /*
+ * Because we held an additional reference
+ * to the page while we read it in the page
+ * could not be made volatile. Do it now.
+ */
+ page_make_volatile(page, 2);
goto success;
}
ClearPageError(page);
error = mapping->a_ops->readpage(file, page);
if (!error) {
wait_on_page_locked(page);
- if (PageUptodate(page))
+ if (PageUptodate(page)) {
+ /*
+ * Because we held an additional reference
+ * to the page while we read it in the page
+ * could not be made volatile....
2007 Apr 18
0
[patch 7/9] Guest page hinting: minor fault optimization.
...* Somebody else successfully read it in? */
if (PageUptodate(page)) {
unlock_page(page);
+ /*
+ * Because we held an additional reference
+ * to the page while we read it in the page
+ * could not be made volatile. Do it now.
+ */
+ page_make_volatile(page, 2);
goto success;
}
ClearPageError(page);
error = mapping->a_ops->readpage(file, page);
if (!error) {
wait_on_page_locked(page);
- if (PageUptodate(page))
+ if (PageUptodate(page)) {
+ /*
+ * Because we held an additional reference
+ * to the page while we read it in the page
+ * could not be made volatile....