[Cluster-devel] [GFS2 PATCH 1/5] gfs2: switch variable error to ret in gfs2_evict_inode
Bob Peterson
rpeterso at redhat.com
Tue Sep 15 14:38:18 UTC 2020
Function gfs2_evict_inode is too big and unreadable. This patch is
just a baby step toward improving that. This first step just renames
variable error to ret. This will help make future patches more readable.
Signed-off-by: Bob Peterson <rpeterso at redhat.com>
---
fs/gfs2/super.c | 36 ++++++++++++++++++------------------
1 file changed, 18 insertions(+), 18 deletions(-)
diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
index 19add2da1013..ab08b9a1102c 100644
--- a/fs/gfs2/super.c
+++ b/fs/gfs2/super.c
@@ -1338,7 +1338,7 @@ static void gfs2_evict_inode(struct inode *inode)
struct gfs2_inode *ip = GFS2_I(inode);
struct gfs2_holder gh;
struct address_space *metamapping;
- int error;
+ int ret;
if (test_bit(GIF_FREE_VFS_INODE, &ip->i_flags)) {
clear_inode(inode);
@@ -1362,8 +1362,8 @@ static void gfs2_evict_inode(struct inode *inode)
goto out;
/* Must not read inode block until block type has been verified */
- error = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, GL_SKIP, &gh);
- if (unlikely(error)) {
+ ret = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, GL_SKIP, &gh);
+ if (unlikely(ret)) {
glock_clear_object(ip->i_iopen_gh.gh_gl, ip);
ip->i_iopen_gh.gh_flags |= GL_NOCACHE;
gfs2_glock_dq_uninit(&ip->i_iopen_gh);
@@ -1372,13 +1372,13 @@ static void gfs2_evict_inode(struct inode *inode)
if (gfs2_inode_already_deleted(ip->i_gl, ip->i_no_formal_ino))
goto out_truncate;
- error = gfs2_check_blk_type(sdp, ip->i_no_addr, GFS2_BLKST_UNLINKED);
- if (error)
+ ret = gfs2_check_blk_type(sdp, ip->i_no_addr, GFS2_BLKST_UNLINKED);
+ if (ret)
goto out_truncate;
if (test_bit(GIF_INVALID, &ip->i_flags)) {
- error = gfs2_inode_refresh(ip);
- if (error)
+ ret = gfs2_inode_refresh(ip);
+ if (ret)
goto out_truncate;
}
@@ -1399,20 +1399,20 @@ static void gfs2_evict_inode(struct inode *inode)
if (S_ISDIR(inode->i_mode) &&
(ip->i_diskflags & GFS2_DIF_EXHASH)) {
- error = gfs2_dir_exhash_dealloc(ip);
- if (error)
+ ret = gfs2_dir_exhash_dealloc(ip);
+ if (ret)
goto out_unlock;
}
if (ip->i_eattr) {
- error = gfs2_ea_dealloc(ip);
- if (error)
+ ret = gfs2_ea_dealloc(ip);
+ if (ret)
goto out_unlock;
}
if (!gfs2_is_stuffed(ip)) {
- error = gfs2_file_dealloc(ip);
- if (error)
+ ret = gfs2_file_dealloc(ip);
+ if (ret)
goto out_unlock;
}
@@ -1421,7 +1421,7 @@ static void gfs2_evict_inode(struct inode *inode)
location and try to set gl_object again. We clear gl_object here so
that subsequent inode creates don't see an old gl_object. */
glock_clear_object(ip->i_gl, ip);
- error = gfs2_dinode_dealloc(ip);
+ ret = gfs2_dinode_dealloc(ip);
gfs2_inode_remember_delete(ip->i_gl, ip->i_no_formal_ino);
goto out_unlock;
@@ -1436,8 +1436,8 @@ static void gfs2_evict_inode(struct inode *inode)
write_inode_now(inode, 1);
gfs2_ail_flush(ip->i_gl, 0);
- error = gfs2_trans_begin(sdp, 0, sdp->sd_jdesc->jd_blocks);
- if (error)
+ 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);
@@ -1452,8 +1452,8 @@ static void gfs2_evict_inode(struct inode *inode)
glock_clear_object(ip->i_gl, ip);
gfs2_glock_dq_uninit(&gh);
}
- if (error && error != GLR_TRYFAILED && error != -EROFS)
- fs_warn(sdp, "gfs2_evict_inode: %d\n", error);
+ if (ret && ret != GLR_TRYFAILED && ret != -EROFS)
+ fs_warn(sdp, "gfs2_evict_inode: %d\n", ret);
out:
truncate_inode_pages_final(&inode->i_data);
if (ip->i_qadata)
--
2.26.2
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