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authorMichael Bestas <mkbestas@lineageos.org>2020-05-10 01:30:22 +0300
committerMichael Bestas <mkbestas@lineageos.org>2020-05-14 20:02:37 +0300
commit5d60efc89fa6e5a6616bd9dfa2b0702756b7404e (patch)
tree87757b8f716c565352758d964f4fead762d7e139 /fs/jbd2/commit.c
parent47adfb24dc4eabe3507c89902c5068f501b01b13 (diff)
parent96b09cba55905a34aa152a9689a43d6d3c78b04d (diff)
Merge branch 'android-4.4-p' of https://android.googlesource.com/kernel/common into lineage-17.1-caf-msm8998
This brings LA.UM.8.4.r1-05400-8x98.0 up to date with https://android.googlesource.com/kernel/common/ android-4.4-p at commit: 96b09cba55905 UPSTREAM: net: socket: set sock->sk to NULL after calling proto_ops::release() Conflicts: drivers/scsi/ufs/ufshcd.c drivers/usb/gadget/composite.c drivers/usb/gadget/function/f_fs.c Change-Id: I3e79c0d20e3eb3246a50c9a1e815cdf030a4232e
Diffstat (limited to 'fs/jbd2/commit.c')
-rw-r--r--fs/jbd2/commit.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c
index a7d12dd6d56e..57490f08ad7c 100644
--- a/fs/jbd2/commit.c
+++ b/fs/jbd2/commit.c
@@ -1008,9 +1008,10 @@ restart_loop:
* journalled data) we need to unmap buffer and clear
* more bits. We also need to be careful about the check
* because the data page mapping can get cleared under
- * out hands, which alse need not to clear more bits
- * because the page and buffers will be freed and can
- * never be reused once we are done with them.
+ * our hands. Note that if mapping == NULL, we don't
+ * need to make buffer unmapped because the page is
+ * already detached from the mapping and buffers cannot
+ * get reused.
*/
mapping = READ_ONCE(bh->b_page->mapping);
if (mapping && !sb_is_blkdev_sb(mapping->host->i_sb)) {