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[GFS2] Clean up inode number handling

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This patch cleans up the inode number handling code. The main difference
is that instead of looking up the inodes using a struct gfs2_inum_host
we now use just the no_addr member of this structure. The tests relating
to no_formal_ino can then be done by the calling code. This has
advantages in that we want to do different things in different code
paths if the no_formal_ino doesn't match. In the NFS patch we want to
return -ESTALE, but in the ->lookup() path, its a bug in the fs if the
no_formal_ino doesn't match and thus we can withdraw in this case.

In order to later fix bz #201012, we need to be able to look up an inode
without knowing no_formal_ino, as the only information that is known to
us is the on-disk location of the inode in question.

This patch will also help us to fix bz #236099 at a later date by
cleaning up a lot of the code in that area.

There are no user visible changes as a result of this patch and there
are no changes to the on-disk format either.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
This commit is contained in:
Steven Whitehouse
2007-05-15 15:37:50 +01:00
parent 41d7db0ab4
commit dbb7cae2a3
19 changed files with 162 additions and 170 deletions
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2
fs/gfs2/bmap.c
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@@ -1040,7 +1040,7 @@ static int trunc_end(struct gfs2_inode *ip)
ip->i_di.di_height = 0;
ip->i_di.di_goal_meta =
ip->i_di.di_goal_data =
ip->i_num.no_addr;
ip->i_no_addr;
gfs2_buffer_clear_tail(dibh, sizeof(struct gfs2_dinode));
}
ip->i_inode.i_mtime = ip->i_inode.i_ctime = CURRENT_TIME_SEC;