The patch titled
unionfs: clear partial read
has been removed from the -mm tree. Its filename was
unionfs-clear-partial-read.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
Subject: unionfs: clear partial read
From: Hugh Dickins <hugh@xxxxxxxxxxx>
unionfs_do_readpage forgot to clear the rest of the page when vfs_read does
not fill the page: fix that.
Signed-off-by: Hugh Dickins <hugh@xxxxxxxxxxx>
Acked-by: Erez Zadok <ezk@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/unionfs/mmap.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff -puN fs/unionfs/mmap.c~unionfs-clear-partial-read fs/unionfs/mmap.c
--- a/fs/unionfs/mmap.c~unionfs-clear-partial-read
+++ a/fs/unionfs/mmap.c
@@ -176,7 +176,8 @@ static int unionfs_do_readpage(struct fi
err = vfs_read(lower_file, page_data, PAGE_CACHE_SIZE,
&lower_file->f_pos);
set_fs(old_fs);
-
+ if (err >= 0 && err < PAGE_CACHE_SIZE)
+ memset(page_data + err, 0, PAGE_CACHE_SIZE - err);
kunmap(page);
if (err < 0)
_
Patches currently in -mm which might be from hugh@xxxxxxxxxxx are
git-unionfs.patch
i386-and-x86_64-randomize-brk-fix-2.patch
swapin_readahead-excise-numa-bogosity.patch
swapin_readahead-move-and-rearrange-args.patch
swapin-needs-gfp_mask-for-loop-on-tmpfs.patch
shmem-sgp_quick-and-sgp_fault-redundant.patch
shmem_getpage-return-page-locked.patch
shmem_file_write-is-redundant.patch
swapin-fix-valid_swaphandles-defect.patch
swapoff-scan-ptes-preemptibly.patch
maps4-add-proportional-set-size-accounting-in-smaps.patch
tmpfs-fix-mounts-when-size-is-less-than-the-page-size.patch
r-o-bind-mounts-track-number-of-mount-writer-fix-buggy-loop.patch
r-o-bind-mounts-track-number-of-mount-writer-fix-buggy-loop-checkpatch-fixes.patch
memcgroup-temporarily-revert-swapoff-mod.patch
memory-controller-memory-accounting-v7.patch
memory-controller-add-per-container-lru-and-reclaim-v7-memcgroup-fix-try_to_free-order.patch
memcgroup-reinstate-swapoff-mod.patch
memcgroup-fix-zone-isolation-oom.patch
memcgroup-revert-swap_state-mods.patch
prio_tree-debugging-patch.patch
-
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