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gfs2: factor evict_linked_inode out of gfs2_evict_inode

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Now that we've factored out the delete-dinode case to simplify
gfs2_evict_inode, we take it a step further and factor out the other
case: where we don't delete the inode.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
This commit is contained in:
Bob Peterson 2020-09-11 14:53:52 -05:00 committed by Andreas Gruenbacher
parent 53dbc27eb1
commit d90be6ab9a
1 changed files with 34 additions and 18 deletions
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52
fs/gfs2/super.c
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@ -1422,6 +1422,39 @@ out:
return ret;
}
/*
* evict_linked_inode - evict an inode whose dinode has not been unlinked
* @inode: The inode to evict
*/
static int evict_linked_inode(struct inode *inode)
{
struct super_block *sb = inode->i_sb;
struct gfs2_sbd *sdp = sb->s_fs_info;
struct gfs2_inode *ip = GFS2_I(inode);
struct address_space *metamapping;
int ret;
gfs2_log_flush(sdp, ip->i_gl, GFS2_LOG_HEAD_FLUSH_NORMAL |
GFS2_LFC_EVICT_INODE);
metamapping = gfs2_glock2aspace(ip->i_gl);
if (test_bit(GLF_DIRTY, &ip->i_gl->gl_flags)) {
filemap_fdatawrite(metamapping);
filemap_fdatawait(metamapping);
}
write_inode_now(inode, 1);
gfs2_ail_flush(ip->i_gl, 0);
ret = gfs2_trans_begin(sdp, 0, sdp->sd_jdesc->jd_blocks);
if (ret)
return ret;
/* Needs to be done before glock release & also in a transaction */
truncate_inode_pages(&inode->i_data, 0);
truncate_inode_pages(metamapping, 0);
gfs2_trans_end(sdp);
return 0;
}
/**
* gfs2_evict_inode - Remove an inode from cache
* @inode: The inode to evict
@ -1449,7 +1482,6 @@ static void gfs2_evict_inode(struct inode *inode)
struct gfs2_sbd *sdp = sb->s_fs_info;
struct gfs2_inode *ip = GFS2_I(inode);
struct gfs2_holder gh;
struct address_space *metamapping;
int ret;
if (test_bit(GIF_FREE_VFS_INODE, &ip->i_flags)) {
@ -1471,23 +1503,7 @@ static void gfs2_evict_inode(struct inode *inode)
goto out_unlock;
out_truncate:
gfs2_log_flush(sdp, ip->i_gl, GFS2_LOG_HEAD_FLUSH_NORMAL |
GFS2_LFC_EVICT_INODE);
metamapping = gfs2_glock2aspace(ip->i_gl);
if (test_bit(GLF_DIRTY, &ip->i_gl->gl_flags)) {
filemap_fdatawrite(metamapping);
filemap_fdatawait(metamapping);
}
write_inode_now(inode, 1);
gfs2_ail_flush(ip->i_gl, 0);
ret = gfs2_trans_begin(sdp, 0, sdp->sd_jdesc->jd_blocks);
if (ret)
goto out_unlock;
/* Needs to be done before glock release & also in a transaction */
truncate_inode_pages(&inode->i_data, 0);
truncate_inode_pages(metamapping, 0);
gfs2_trans_end(sdp);
ret = evict_linked_inode(inode);
out_unlock:
if (gfs2_rs_active(&ip->i_res))