[RESEND][PATCH 2/3] ntfs: remove i_version handling

From: Jeff Layton
Date: Thu Dec 07 2017 - 06:32:44 EST


From: Jeff Layton <jlayton@xxxxxxxxxx>

NTFS keeps track of the i_version counter here, seemingly for no reason.
It does not set the SB_I_VERSION flag so it'll never be incremented on
write, and it doesn't increment it internally for metadata operations.

Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>
---
fs/ntfs/inode.c | 9 ---------
fs/ntfs/mft.c | 6 ------
2 files changed, 15 deletions(-)

diff --git a/fs/ntfs/inode.c b/fs/ntfs/inode.c
index 7c410f879412..1c1ee489284b 100644
--- a/fs/ntfs/inode.c
+++ b/fs/ntfs/inode.c
@@ -560,13 +560,6 @@ static int ntfs_read_locked_inode(struct inode *vi)
ntfs_debug("Entering for i_ino 0x%lx.", vi->i_ino);

/* Setup the generic vfs inode parts now. */
-
- /*
- * This is for checking whether an inode has changed w.r.t. a file so
- * that the file can be updated if necessary (compare with f_version).
- */
- vi->i_version = 1;
-
vi->i_uid = vol->uid;
vi->i_gid = vol->gid;
vi->i_mode = 0;
@@ -1240,7 +1233,6 @@ static int ntfs_read_locked_attr_inode(struct inode *base_vi, struct inode *vi)
base_ni = NTFS_I(base_vi);

/* Just mirror the values from the base inode. */
- vi->i_version = base_vi->i_version;
vi->i_uid = base_vi->i_uid;
vi->i_gid = base_vi->i_gid;
set_nlink(vi, base_vi->i_nlink);
@@ -1507,7 +1499,6 @@ static int ntfs_read_locked_index_inode(struct inode *base_vi, struct inode *vi)
ni = NTFS_I(vi);
base_ni = NTFS_I(base_vi);
/* Just mirror the values from the base inode. */
- vi->i_version = base_vi->i_version;
vi->i_uid = base_vi->i_uid;
vi->i_gid = base_vi->i_gid;
set_nlink(vi, base_vi->i_nlink);
diff --git a/fs/ntfs/mft.c b/fs/ntfs/mft.c
index ee8392aee9f6..2831f495a674 100644
--- a/fs/ntfs/mft.c
+++ b/fs/ntfs/mft.c
@@ -2641,12 +2641,6 @@ ntfs_inode *ntfs_mft_record_alloc(ntfs_volume *vol, const int mode,
goto undo_mftbmp_alloc;
}
vi->i_ino = bit;
- /*
- * This is for checking whether an inode has changed w.r.t. a
- * file so that the file can be updated if necessary (compare
- * with f_version).
- */
- vi->i_version = 1;

/* The owner and group come from the ntfs volume. */
vi->i_uid = vol->uid;
--
2.14.3