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[GFS2] Fix glock ordering on inode creation

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The lock order here should be parent -> child rather than
numeric order.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
This commit is contained in:
Steven Whitehouse 2006-11-22 11:13:21 -05:00
parent 1a14d3a68f
commit 28626e2078
1 changed files with 4 additions and 27 deletions
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31
fs/gfs2/inode.c
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@ -870,33 +870,10 @@ struct inode *gfs2_createi(struct gfs2_holder *ghs, const struct qstr *name,
if (error)
goto fail_gunlock;
if (inum.no_addr < dip->i_num.no_addr) {
gfs2_glock_dq(ghs);
error = gfs2_glock_nq_num(sdp, inum.no_addr,
&gfs2_inode_glops, LM_ST_EXCLUSIVE,
GL_SKIP, ghs + 1);
if (error) {
return ERR_PTR(error);
}
gfs2_holder_reinit(LM_ST_EXCLUSIVE, 0, ghs);
error = gfs2_glock_nq(ghs);
if (error) {
gfs2_glock_dq_uninit(ghs + 1);
return ERR_PTR(error);
}
error = create_ok(dip, name, mode);
if (error)
goto fail_gunlock2;
} else {
error = gfs2_glock_nq_num(sdp, inum.no_addr,
&gfs2_inode_glops, LM_ST_EXCLUSIVE,
GL_SKIP, ghs + 1);
if (error)
goto fail_gunlock;
}
error = gfs2_glock_nq_num(sdp, inum.no_addr, &gfs2_inode_glops,
LM_ST_EXCLUSIVE, GL_SKIP, ghs + 1);
if (error)
goto fail_gunlock;
error = make_dinode(dip, ghs[1].gh_gl, mode, &inum, &generation, dev);
if (error)