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(parent: d1e18b8) | patch
ext4: use the normal helper to get the actual inode
authorKaixu Xia <kaixuxia@tencent.com>
Sat, 10 Oct 2020 08:10:16 +0000 (16:10 +0800)
committerTheodore Ts'o <tytso@mit.edu>
Sun, 18 Oct 2020 14:37:26 +0000 (10:37 -0400)
commitd3e7d20befd9d07db2955015a3f294c0a0a771d3
tree2ffe9d71f346dc1afbc24217c493b8097822c69dtree | snapshot
parentd1e18b8824dd50cff255e6cecf515ea598eaf9f0commit | diff
ext4: use the normal helper to get the actual inode

Here we use the READ_ONCE to fix race conditions in ->d_compare() and
->d_hash() when they are called in RCU-walk mode, seems we can use
the normal helper d_inode_rcu() to get the actual inode.

Signed-off-by: Kaixu Xia <kaixuxia@tencent.com>
Reviewed-by: Lukas Czerner <lczerner@redhat.com>
Link: https://lore.kernel.org/r/1602317416-1260-1-git-send-email-kaixuxia@tencent.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
fs/ext4/dir.c diff | blob | history
Domain: System / Kernel;