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f2fs: allow dio read for LFS mode

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commit e57e9ae5b179a6b243c42bf6d9549d1595c27089 upstream.

We can allow dio reads for LFS mode, while doing buffered writes for dio writes.

Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim 2016-11-11 12:08:22 -08:00 • committed by Jaegeuk Kim
parent 00e5a211f9
commit f9baf967bd
1 changed files with 1 additions and 1 deletions
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2
fs/f2fs/data.c
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@ -1735,7 +1735,7 @@ static ssize_t f2fs_direct_IO(struct kiocb *iocb, struct iov_iter *iter,
if (f2fs_encrypted_inode(inode) && S_ISREG(inode->i_mode)) if (f2fs_encrypted_inode(inode) && S_ISREG(inode->i_mode))
return 0; return 0;
if (test_opt(F2FS_I_SB(inode), LFS)) if (rw == WRITE && test_opt(F2FS_I_SB(inode), LFS))
return 0; return 0;
if (trace_android_fs_dataread_start_enabled() && if (trace_android_fs_dataread_start_enabled() &&