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[CIFS] Fix cifs update of page cache. Write at correct offset when out of memory

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and add_to_page_cache fails.  

Thanks to Shaggy for pointing out the fix.

Signed-off-by: Steve French (sfrench@us.ibm.com)
Signed-off-by: Shaggy (shaggy@us.ibm.com)
This commit is contained in:
Steve French 2005-06-09 14:44:07 -07:00
parent 0b68177ccd
commit 3079ca621e
2 changed files with 4 additions and 1 deletions
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3
fs/cifs/CHANGES
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@ -6,7 +6,8 @@ kills the cifsd thread (NB: killing the cifs kernel threads is not
recommended, unmount and rmmod cifs will kill them when they are
no longer needed). Fix readdir to ASCII servers (ie older servers
which do not support Unicode) and also require asterik.
Fix out of memory case in which data could be written one page
off in the page cache.
Version 1.33
------------

2
fs/cifs/file.c
View file

@ -1352,6 +1352,8 @@ static void cifs_copy_cache_pages(struct address_space *mapping,
GFP_KERNEL)) {
page_cache_release(page);
cFYI(1, ("Add page cache failed"));
data += PAGE_CACHE_SIZE;
bytes_read -= PAGE_CACHE_SIZE;
continue;
}