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NFS client fixes for Linux 3.16

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Highlights include;
 - Stable fix for an NFSv3 posix ACL regression
 - Multiple fixes for regressions to the NFS generic read/write code
   - Fix page splitting bugs that come into play when a small rsize/wsize
     read/write needs to be sent again (due to error conditions or page
     redirty).
   - Fix nfs_wb_page_cancel, which is called by the "invalidatepage" method
 - Fix 2 compile warnings about unused variables.
 - Fix a performance issue affecting unstable writes.
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Merge tag 'nfs-for-3.16-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

Pull NFS client fixes from Trond Myklebust:
 "Apologies for the relative lateness of this pull request, however the
  commits fix some issues with the NFS read/write code updates in
  3.16-rc1 that can cause serious Oopsing when using small r/wsize.  The
  delay was mainly due to extra testing to make sure that the fixes
  behave correctly.

  Highlights include;
   - Stable fix for an NFSv3 posix ACL regression
   - Multiple fixes for regressions to the NFS generic read/write code:
     - Fix page splitting bugs that come into play when a small
       rsize/wsize read/write needs to be sent again (due to error
       conditions or page redirty)
     - Fix nfs_wb_page_cancel, which is called by the "invalidatepage"
       method
   - Fix 2 compile warnings about unused variables
   - Fix a performance issue affecting unstable writes"

* tag 'nfs-for-3.16-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
  NFS: Don't reset pg_moreio in __nfs_pageio_add_request
  NFS: Remove 2 unused variables
  nfs: handle multiple reqs in nfs_wb_page_cancel
  nfs: handle multiple reqs in nfs_page_async_flush
  nfs: change find_request to find_head_request
  nfs: nfs_page should take a ref on the head req
  nfs: mark nfs_page reqs with flag for extra ref
  nfs: only show Posix ACLs in listxattr if actually present
This commit is contained in:
Linus Torvalds 2014-07-20 19:55:44 -07:00
commit 90d51d5606
6 changed files with 343 additions and 62 deletions
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