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authorToshi Kani <toshi.kani@hpe.com>2018-09-14 17:51:14 +0300
committerJan Kara <jack@suse.cz>2018-09-19 16:03:04 +0300
commit9e796c9db93b4840d1b00e550eea26db7cb741e2 (patch)
tree959d3634e09dd62573a27aac97e751658972257d /fs/ext2
parentf21f7fa263ac005713f0a7a43179c5aea0fabe85 (diff)
downloadlinux-9e796c9db93b4840d1b00e550eea26db7cb741e2.tar.xz
ext2, dax: set ext2_dax_aops for dax files
Sync syscall to DAX file needs to flush processor cache, but it currently does not flush to existing DAX files. This is because 'ext2_da_aops' is set to address_space_operations of existing DAX files, instead of 'ext2_dax_aops', since S_DAX flag is set after ext2_set_aops() in the open path. Similar to ext4, change ext2_iget() to initialize i_flags before ext2_set_aops(). Fixes: fb094c90748f ("ext2, dax: introduce ext2_dax_aops") Signed-off-by: Toshi Kani <toshi.kani@hpe.com> Suggested-by: Jan Kara <jack@suse.cz> Cc: Jan Kara <jack@suse.cz> Cc: Dan Williams <dan.j.williams@intel.com> Cc: "Theodore Ts'o" <tytso@mit.edu> Cc: Andreas Dilger <adilger.kernel@dilger.ca> Cc: <stable@vger.kernel.org> Signed-off-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'fs/ext2')
-rw-r--r--fs/ext2/inode.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c
index 7f7ee18fe179..e4bb9386c045 100644
--- a/fs/ext2/inode.c
+++ b/fs/ext2/inode.c
@@ -1448,6 +1448,7 @@ struct inode *ext2_iget (struct super_block *sb, unsigned long ino)
}
inode->i_blocks = le32_to_cpu(raw_inode->i_blocks);
ei->i_flags = le32_to_cpu(raw_inode->i_flags);
+ ext2_set_inode_flags(inode);
ei->i_faddr = le32_to_cpu(raw_inode->i_faddr);
ei->i_frag_no = raw_inode->i_frag;
ei->i_frag_size = raw_inode->i_fsize;
@@ -1517,7 +1518,6 @@ struct inode *ext2_iget (struct super_block *sb, unsigned long ino)
new_decode_dev(le32_to_cpu(raw_inode->i_block[1])));
}
brelse (bh);
- ext2_set_inode_flags(inode);
unlock_new_inode(inode);
return inode;