diff options
Diffstat (limited to 'target/linux/generic/pending-4.4/051-0001-ovl-rename-is_merge-to-is_lowest.patch')
-rw-r--r-- | target/linux/generic/pending-4.4/051-0001-ovl-rename-is_merge-to-is_lowest.patch | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/target/linux/generic/pending-4.4/051-0001-ovl-rename-is_merge-to-is_lowest.patch b/target/linux/generic/pending-4.4/051-0001-ovl-rename-is_merge-to-is_lowest.patch new file mode 100644 index 0000000000..79140b9008 --- /dev/null +++ b/target/linux/generic/pending-4.4/051-0001-ovl-rename-is_merge-to-is_lowest.patch @@ -0,0 +1,72 @@ +From 56656e960b555cb98bc414382566dcb59aae99a2 Mon Sep 17 00:00:00 2001 +From: Miklos Szeredi <mszeredi@redhat.com> +Date: Mon, 21 Mar 2016 17:31:46 +0100 +Subject: [PATCH] ovl: rename is_merge to is_lowest + +The 'is_merge' is an historical naming from when only a single lower layer +could exist. With the introduction of multiple lower layers the meaning of +this flag was changed to mean only the "lowest layer" (while all lower +layers were being merged). + +So now 'is_merge' is inaccurate and hence renaming to 'is_lowest' + +Signed-off-by: Miklos Szeredi <mszeredi@redhat.com> +--- + fs/overlayfs/readdir.c | 16 ++++++++-------- + 1 file changed, 8 insertions(+), 8 deletions(-) + +--- a/fs/overlayfs/readdir.c ++++ b/fs/overlayfs/readdir.c +@@ -36,7 +36,7 @@ struct ovl_dir_cache { + + struct ovl_readdir_data { + struct dir_context ctx; +- bool is_merge; ++ bool is_lowest; + struct rb_root root; + struct list_head *list; + struct list_head middle; +@@ -139,9 +139,9 @@ static int ovl_cache_entry_add_rb(struct + return 0; + } + +-static int ovl_fill_lower(struct ovl_readdir_data *rdd, +- const char *name, int namelen, +- loff_t offset, u64 ino, unsigned int d_type) ++static int ovl_fill_lowest(struct ovl_readdir_data *rdd, ++ const char *name, int namelen, ++ loff_t offset, u64 ino, unsigned int d_type) + { + struct ovl_cache_entry *p; + +@@ -193,10 +193,10 @@ static int ovl_fill_merge(struct dir_con + container_of(ctx, struct ovl_readdir_data, ctx); + + rdd->count++; +- if (!rdd->is_merge) ++ if (!rdd->is_lowest) + return ovl_cache_entry_add_rb(rdd, name, namelen, ino, d_type); + else +- return ovl_fill_lower(rdd, name, namelen, offset, ino, d_type); ++ return ovl_fill_lowest(rdd, name, namelen, offset, ino, d_type); + } + + static int ovl_check_whiteouts(struct dentry *dir, struct ovl_readdir_data *rdd) +@@ -289,7 +289,7 @@ static int ovl_dir_read_merged(struct de + .ctx.actor = ovl_fill_merge, + .list = list, + .root = RB_ROOT, +- .is_merge = false, ++ .is_lowest = false, + }; + int idx, next; + +@@ -306,7 +306,7 @@ static int ovl_dir_read_merged(struct de + * allows offsets to be reasonably constant + */ + list_add(&rdd.middle, rdd.list); +- rdd.is_merge = true; ++ rdd.is_lowest = true; + err = ovl_dir_read(&realpath, &rdd); + list_del(&rdd.middle); + } |