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GFS2: drop rindex glock to refresh rindex list 

When a gfs2 filesystem is grown, it needs to rebuild the rindex list to be able
to use the new space.  gfs2 does this when the rindex is marked not uptodate,
which happens when the rindex glock is dropped.  However, on a single node
setup, there is never any reason to drop the rindex glock, so gfs2 never
invalidates the the rindex. This patch makes gfs2 automatically drop the
rindex glock after filesystem grows, so it can refresh the rindex list.

Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
This commit is contained in:
Benjamin Marzinski 2009-11-10 12:54:56 -06:00 committed by Steven Whitehouse
parent 0ab7d13fcb
commit 9ae3c6de69
1 changed files with 6 additions and 2 deletions
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8
fs/gfs2/aops.c
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@ -819,8 +819,10 @@ static int gfs2_stuffed_write_end(struct inode *inode, struct buffer_head *dibh,
mark_inode_dirty(inode);
}
if (inode == sdp->sd_rindex)
if (inode == sdp->sd_rindex) {
adjust_fs_space(inode);
ip->i_gh.gh_flags |= GL_NOCACHE;
}
brelse(dibh);
gfs2_trans_end(sdp);
@ -889,8 +891,10 @@ static int gfs2_write_end(struct file *file, struct address_space *mapping,
mark_inode_dirty(inode);
}
if (inode == sdp->sd_rindex)
if (inode == sdp->sd_rindex) {
adjust_fs_space(inode);
ip->i_gh.gh_flags |= GL_NOCACHE;
}
brelse(dibh);
gfs2_trans_end(sdp);