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ANDROID: sdcardfs: Hold i_mutex for i_size_write
authorDaniel Rosenberg <drosen@google.com>
Wed, 21 Feb 2018 04:25:45 +0000 (20:25 -0800)
committerDaniel Rosenberg <drosen@google.com>
Fri, 23 Feb 2018 22:51:17 +0000 (14:51 -0800)
commitcc668ff4b6a12f08d60fe08a72bb69936e712c69
tree1c11557af5e01b58688444b2c93ab98eb57f7bdatree | snapshot
parent921c88669c515e534d520df3e81b5405cd81bab7commit | diff
ANDROID: sdcardfs: Hold i_mutex for i_size_write

When we call i_size_write, we must be holding i_mutex to avoid
possible lockups on 32 bit/SMP architectures. This is not
necessary on 64 bit architectures.

Change-Id: Ic3b946507c54d81b5c9046f9b57d25d4b0f9feef
Signed-off-by: Daniel Rosenberg <drosen@google.com>
Bug: 73287721
fs/sdcardfs/file.c diff | blob | history
kernel
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