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Date: Tue, 16 Jan 2007 16:04:15 -0500
From: Wendy Cheng <wcheng@...hat.com>
To: Adrian Bunk <bunk@...sta.de>
CC: Andrew Morton <akpm@...l.org>, swhiteho@...hat.com,
cluster-devel@...hat.com, linux-kernel@...r.kernel.org
Subject: Re: [Cluster-devel] [-mm patch] make gfs2_change_nlink_i() static
Adrian Bunk wrote:
> On Thu, Jan 11, 2007 at 10:26:27PM -0800, Andrew Morton wrote:
>
>> ...
>> Changes since 2.6.20-rc3-mm1:
>> ...
>> git-gfs2-nmw.patch
>> ...
>> git trees
>> ...
>>
>
>
> This patch makes the needlessly globlal gfs2_change_nlink_i() static.
>
We will probably need to call this routine from other files in our next
round of code check-in.
-- Wendy
> Signed-off-by: Adrian Bunk <bunk@...sta.de>
>
> ---
>
> fs/gfs2/inode.c | 88 ++++++++++++++++++++++++------------------------
> fs/gfs2/inode.h | 1
> 2 files changed, 44 insertions(+), 45 deletions(-)
>
> --- linux-2.6.20-rc4-mm1/fs/gfs2/inode.h.old 2007-01-13 08:56:24.000000000 +0100
> +++ linux-2.6.20-rc4-mm1/fs/gfs2/inode.h 2007-01-13 08:56:30.000000000 +0100
> @@ -40,7 +40,6 @@
>
> int gfs2_dinode_dealloc(struct gfs2_inode *inode);
> int gfs2_change_nlink(struct gfs2_inode *ip, int diff);
> -int gfs2_change_nlink_i(struct gfs2_inode *ip);
> struct inode *gfs2_lookupi(struct inode *dir, const struct qstr *name,
> int is_root, struct nameidata *nd);
> struct inode *gfs2_createi(struct gfs2_holder *ghs, const struct qstr *name,
> --- linux-2.6.20-rc4-mm1/fs/gfs2/inode.c.old 2007-01-13 08:56:37.000000000 +0100
> +++ linux-2.6.20-rc4-mm1/fs/gfs2/inode.c 2007-01-13 08:57:21.000000000 +0100
> @@ -280,6 +280,50 @@
> return error;
> }
>
> +static int gfs2_change_nlink_i(struct gfs2_inode *ip)
> +{
> + struct gfs2_sbd *sdp = ip->i_inode.i_sb->s_fs_info;
> + struct gfs2_inode *rindex = GFS2_I(sdp->sd_rindex);
> + struct gfs2_glock *ri_gl = rindex->i_gl;
> + struct gfs2_rgrpd *rgd;
> + struct gfs2_holder ri_gh, rg_gh;
> + int existing, error;
> +
> + /* if we come from rename path, we could have the lock already */
> + existing = gfs2_glock_is_locked_by_me(ri_gl);
> + if (!existing) {
> + error = gfs2_rindex_hold(sdp, &ri_gh);
> + if (error)
> + goto out;
> + }
> +
> + /* find the matching rgd */
> + error = -EIO;
> + rgd = gfs2_blk2rgrpd(sdp, ip->i_num.no_addr);
> + if (!rgd)
> + goto out_norgrp;
> +
> + /*
> + * Eventually we may want to move rgd(s) to a linked list
> + * and piggyback the free logic into one of gfs2 daemons
> + * to gain some performance.
> + */
> + if (!rgd->rd_gl || !gfs2_glock_is_locked_by_me(rgd->rd_gl)) {
> + error = gfs2_glock_nq_init(rgd->rd_gl, LM_ST_EXCLUSIVE, 0, &rg_gh);
> + if (error)
> + goto out_norgrp;
> +
> + gfs2_unlink_di(&ip->i_inode); /* mark inode unlinked */
> + gfs2_glock_dq_uninit(&rg_gh);
> + }
> +
> +out_norgrp:
> + if (!existing)
> + gfs2_glock_dq_uninit(&ri_gh);
> +out:
> + return error;
> +}
> +
> /**
> * gfs2_change_nlink - Change nlink count on inode
> * @ip: The GFS2 inode
> @@ -326,50 +370,6 @@
> return error;
> }
>
> -int gfs2_change_nlink_i(struct gfs2_inode *ip)
> -{
> - struct gfs2_sbd *sdp = ip->i_inode.i_sb->s_fs_info;
> - struct gfs2_inode *rindex = GFS2_I(sdp->sd_rindex);
> - struct gfs2_glock *ri_gl = rindex->i_gl;
> - struct gfs2_rgrpd *rgd;
> - struct gfs2_holder ri_gh, rg_gh;
> - int existing, error;
> -
> - /* if we come from rename path, we could have the lock already */
> - existing = gfs2_glock_is_locked_by_me(ri_gl);
> - if (!existing) {
> - error = gfs2_rindex_hold(sdp, &ri_gh);
> - if (error)
> - goto out;
> - }
> -
> - /* find the matching rgd */
> - error = -EIO;
> - rgd = gfs2_blk2rgrpd(sdp, ip->i_num.no_addr);
> - if (!rgd)
> - goto out_norgrp;
> -
> - /*
> - * Eventually we may want to move rgd(s) to a linked list
> - * and piggyback the free logic into one of gfs2 daemons
> - * to gain some performance.
> - */
> - if (!rgd->rd_gl || !gfs2_glock_is_locked_by_me(rgd->rd_gl)) {
> - error = gfs2_glock_nq_init(rgd->rd_gl, LM_ST_EXCLUSIVE, 0, &rg_gh);
> - if (error)
> - goto out_norgrp;
> -
> - gfs2_unlink_di(&ip->i_inode); /* mark inode unlinked */
> - gfs2_glock_dq_uninit(&rg_gh);
> - }
> -
> -out_norgrp:
> - if (!existing)
> - gfs2_glock_dq_uninit(&ri_gh);
> -out:
> - return error;
> -}
> -
> struct inode *gfs2_lookup_simple(struct inode *dip, const char *name)
> {
> struct qstr qstr;
>
>
-
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