[oe-commits] [openembedded-core] 25/29: e2fsprogs: fix compatibility with glibc 2.27

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rpurdie pushed a commit to branch rocko
in repository openembedded-core.

commit 0dbe43e520be5e60e3a98fc0e46358bb291b0c13
Author: Tanu Kaskinen <tanuk at iki.fi>
AuthorDate: Wed Mar 21 19:07:41 2018 +0200

    e2fsprogs: fix compatibility with glibc 2.27
    
    glibc 2.27 added function copy_file_range(), and e2fsprogs happens to
    have a different function with the same name. The conflict made
    e2fsprogs-native build fail.
    
    Here's a backport of a fix from upstream, the fix was released in
    e2fsprogs 1.43.8.
    
    The master branch doesn't need this fix, since it has new enough
    e2fsprogs version. At least rocko, pyro and morty need this, I haven't
    checked older stable branches. Apparently the problematic function was
    introduced in e2fsprogs version 1.43.
    
    Signed-off-by: Tanu Kaskinen <tanuk at iki.fi>
    Signed-off-by: Armin Kuster <akuster808 at gmail.com>
---
 ...rename-copy_file_range-to-copy_file_chunk.patch | 62 ++++++++++++++++++++++
 .../recipes-devtools/e2fsprogs/e2fsprogs_1.43.5.bb |  1 +
 2 files changed, 63 insertions(+)

diff --git a/meta/recipes-devtools/e2fsprogs/e2fsprogs/0001-misc-rename-copy_file_range-to-copy_file_chunk.patch b/meta/recipes-devtools/e2fsprogs/e2fsprogs/0001-misc-rename-copy_file_range-to-copy_file_chunk.patch
new file mode 100644
index 0000000..308fe0e
--- /dev/null
+++ b/meta/recipes-devtools/e2fsprogs/e2fsprogs/0001-misc-rename-copy_file_range-to-copy_file_chunk.patch
@@ -0,0 +1,62 @@
+From 647353f7c3fd29e1ffd468d7ff56d9643047ab35 Mon Sep 17 00:00:00 2001
+From: Palmer Dabbelt <palmer at dabbelt.com>
+Date: Fri, 29 Dec 2017 10:19:51 -0800
+Subject: [PATCH] misc: rename copy_file_range to copy_file_chunk
+
+As of 2.27, glibc will have a copy_file_range library call to wrap the
+new copy_file_range system call.  This conflicts with the function in
+misc/create_inode.c, which this patch renames _copy_file_range.
+
+Signed-off-by: Palmer Dabbelt <palmer at dabbelt.com>
+Signed-off-by: Theodore Ts'o <tytso at mit.edu>
+
+Upstream-Status: Backport
+
+Signed-off-by: Tanu Kaskinen <tanuk at iki.fi>
+---
+ misc/create_inode.c | 8 ++++----
+ 1 file changed, 4 insertions(+), 4 deletions(-)
+
+diff --git a/misc/create_inode.c b/misc/create_inode.c
+index 8ce3fafa..cd89146f 100644
+--- a/misc/create_inode.c
++++ b/misc/create_inode.c
+@@ -396,7 +396,7 @@ static ssize_t my_pread(int fd, void *buf, size_t count, off_t offset)
+ }
+ #endif /* !defined HAVE_PREAD64 && !defined HAVE_PREAD */
+ 
+-static errcode_t copy_file_range(ext2_filsys fs, int fd, ext2_file_t e2_file,
++static errcode_t copy_file_chunk(ext2_filsys fs, int fd, ext2_file_t e2_file,
+ 				 off_t start, off_t end, char *buf,
+ 				 char *zerobuf)
+ {
+@@ -470,7 +470,7 @@ static errcode_t try_lseek_copy(ext2_filsys fs, int fd, struct stat *statbuf,
+ 
+ 		data_blk = data & ~(fs->blocksize - 1);
+ 		hole_blk = (hole + (fs->blocksize - 1)) & ~(fs->blocksize - 1);
+-		err = copy_file_range(fs, fd, e2_file, data_blk, hole_blk, buf,
++		err = copy_file_chunk(fs, fd, e2_file, data_blk, hole_blk, buf,
+ 				      zerobuf);
+ 		if (err)
+ 			return err;
+@@ -521,7 +521,7 @@ static errcode_t try_fiemap_copy(ext2_filsys fs, int fd, ext2_file_t e2_file,
+ 			goto out;
+ 		for (i = 0, ext = ext_buf; i < fiemap_buf->fm_mapped_extents;
+ 		     i++, ext++) {
+-			err = copy_file_range(fs, fd, e2_file, ext->fe_logical,
++			err = copy_file_chunk(fs, fd, e2_file, ext->fe_logical,
+ 					      ext->fe_logical + ext->fe_length,
+ 					      buf, zerobuf);
+ 			if (err)
+@@ -574,7 +574,7 @@ static errcode_t copy_file(ext2_filsys fs, int fd, struct stat *statbuf,
+ 		goto out;
+ #endif
+ 
+-	err = copy_file_range(fs, fd, e2_file, 0, statbuf->st_size, buf,
++	err = copy_file_chunk(fs, fd, e2_file, 0, statbuf->st_size, buf,
+ 			      zerobuf);
+ out:
+ 	ext2fs_free_mem(&zerobuf);
+-- 
+2.16.2
+
diff --git a/meta/recipes-devtools/e2fsprogs/e2fsprogs_1.43.5.bb b/meta/recipes-devtools/e2fsprogs/e2fsprogs_1.43.5.bb
index 00093cc..f1d7c08 100644
--- a/meta/recipes-devtools/e2fsprogs/e2fsprogs_1.43.5.bb
+++ b/meta/recipes-devtools/e2fsprogs/e2fsprogs_1.43.5.bb
@@ -10,6 +10,7 @@ SRC_URI += "file://acinclude.m4 \
             file://mkdir_p.patch \
             file://reproducible-doc.patch \
             file://0001-misc-create_inode.c-set-dir-s-mode-correctly.patch \
+            file://0001-misc-rename-copy_file_range-to-copy_file_chunk.patch \
 "
 
 SRC_URI_append_class-native = " file://e2fsprogs-fix-missing-check-for-permission-denied.patch"

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