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Subject[PATCH 0/2] fix sync to flush processor cache for ext4 DAX files
This patchset fixes an issue that sync syscall to an existing DAX file
does not flush processor cache.

Patch 1/2 adds a check to skip the journal inode. It's a bit awkward,
but I could not find a beter way to get the journal inode.

Patch 2/2 fixes the issue by moving up ext4_set_inode_flags() before
ext4_set_aops() in ext4_iget(). This assumes updated i_flags is harmless
in the error cases after the moved-up ext4_set_inode_flags(). Please

Toshi Kani (2):
1/2 ext4, dax: update dax check to skip journal inode
2/2 ext4, dax: set ext4_dax_aops for dax files

fs/ext4/ext4_jbd2.h | 8 ++++++++
fs/ext4/inode.c | 5 ++++-
2 files changed, 12 insertions(+), 1 deletion(-)

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