freebsd-dev/sys/fs
Konstantin Belousov b6c00483e9 Do not leave invalid pages in the object after the short read for a
network file systems (not only NFS proper). Short reads cause pages
other then the requested one, which were not filled by read response,
to stay invalid.

Change the vm_page_readahead_finish() interface to not take the error
code, but instead to make a decision to free or to (de)activate the
page only by its validity. As result, not requested invalid pages are
freed even if the read RPC indicated success.

Noted and reviewed by:	alc
MFC after:	1 week
2012-08-14 11:45:47 +00:00
..
cd9660 Use NULL instead of 0 for pointers 2012-07-22 15:40:31 +00:00
coda Replace the MNT_VNODE_FOREACH interface with MNT_VNODE_FOREACH_ALL. 2012-04-17 16:28:22 +00:00
deadfs Add function vop_rename_fail(9) that performs needed cleanup for locks 2010-04-02 14:03:01 +00:00
devfs Extend the KPI to lock and unlock f_offset member of struct file. It 2012-07-02 21:01:03 +00:00
ext2fs Use NULL instead of 0 for pointers 2012-07-22 15:40:31 +00:00
fdescfs Use NULL instead of 0 2012-03-13 10:04:13 +00:00
fifofs I am comparing current pipe code with the one in 8.3-STABLE r236165, 2012-07-31 05:48:35 +00:00
hpfs Use C99-style initialization for struct dirent in preparation for 2012-05-25 09:16:59 +00:00
msdosfs Use NULL instead of 0 for pointers 2012-07-22 15:40:31 +00:00
nandfs Catch a corner case where ssegs could be 0 and thus i would be 0 and 2012-05-28 16:33:58 +00:00
nfs The header uma_int.h is internal uma header, unused by this source 2012-08-04 18:12:54 +00:00
nfsclient Do not leave invalid pages in the object after the short read for a 2012-08-14 11:45:47 +00:00
nfsserver Fix two cases in the new NFS server where a tsleep() is 2012-05-12 22:20:55 +00:00
ntfs Remove a check on MNTK_UPDATE that is not really necessary as it is 2012-07-10 00:23:25 +00:00
nullfs Remove unused thread argument to vrecycle(). 2012-04-23 14:10:34 +00:00
nwfs Do not leave invalid pages in the object after the short read for a 2012-08-14 11:45:47 +00:00
portalfs Use NULL instead of 0 for pointers 2012-07-22 15:40:31 +00:00
procfs Add procfs to jail-mountable filesystems. 2012-02-29 00:30:18 +00:00
pseudofs Apply inlined vn_vget_ino() algorithm for ".." lookup in pseudofs. 2012-03-05 11:38:02 +00:00
smbfs Do not leave invalid pages in the object after the short read for a 2012-08-14 11:45:47 +00:00
tmpfs After the PHYS_TO_VM_PAGE() function was de-inlined, the main reason 2012-08-05 14:11:42 +00:00
udf Use NULL instead of 0 for pointers 2012-07-22 15:40:31 +00:00
unionfs Skip directory entries with zero inode number during traversal. 2012-05-16 10:44:09 +00:00