[U-Boot] [PATCH v11 1/2] Introduced btrfs file-system with btrload command

[Tom Rini]

On Tue, Apr 02, 2013 at 03:17:38PM +0100, Adnan Ali wrote:

> Introduces btrfs file-system to read file from
> volume/sub-volumes with btrload command. This
> implementation has read-only support.
> This btrfs implementation is based on syslinux btrfs
> code, commit 269ebc845ebc8b46ef4b0be7fa0005c7fdb95b8d.
> 
> v11:	 Mirro super block check.
> v10:     patch problem reworked.
> v5:      merged with master.
> v4:      btrls command added.
> 
> Signed-off-by: Adnan Ali <adnan.ali at codethink.co.uk>

With ELDK 5.3 toolchain, I see:
btrfs.c: In function 'insert_map':
btrfs.c:144:4: warning: implicit declaration of function 'malloc' [-Wimplicit-function-declaration]
btrfs.c: In function 'btrfs_read_super_block':
btrfs.c:281:5: warning: unused variable 'boots' [-Wunused-variable]
btrfs.c:279:6: warning: unused variable 'ret' [-Wunused-variable]
btrfs.c: In function 'btrfs_read_chunk_tree':
btrfs.c:507:4: warning: format '%d' expects argument of type 'int', but argument 2 has type 'uint64_t' [-Wformat]
btrfs.c:503:6: warning: unused variable 'status' [-Wunused-variable]
btrfs.c: In function 'btrfs_iget_by_inr':
btrfs.c:563:24: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
btrfs.c:583:26: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
btrfs.c:591:3: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
btrfs.c: In function 'btrfs_iget':
btrfs.c:607:26: warning: initialization from incompatible pointer type [enabled by default]
btrfs.c:621:22: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
btrfs.c: In function 'btrfs_readlink':
btrfs.c:628:34: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
btrfs.c:629:21: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
btrfs.c: In function 'btrfs_readdir':
btrfs.c:637:26: warning: initialization from incompatible pointer type [enabled by default]
btrfs.c: In function 'btrfs_next_extent':
btrfs.c:682:26: warning: initialization from incompatible pointer type [enabled by default]
btrfs.c:695:25: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
btrfs.c:720:2: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
btrfs.c: In function 'btrfs_getfssec':
btrfs.c:729:26: warning: initialization from incompatible pointer type [enabled by default]
btrfs.c:730:12: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
btrfs.c:741:8: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
btrfs.c:729:21: warning: unused variable 'fs' [-Wunused-variable]
btrfs.c: In function 'put_inode':
btrfs.c:844:4: warning: implicit declaration of function 'free' [-Wimplicit-function-declaration]
btrfs.c: In function 'alloc_inode':
btrfs.c:854:24: warning: initialization makes pointer from integer without a cast [enabled by default]
btrfs.c:857:13: warning: assignment from incompatible pointer type [enabled by default]
btrfs.c: In function 'btrfs_open_file':
btrfs.c:952:2: warning: implicit declaration of function 'searchdir' [-Wimplicit-function-declaration]
btrfs.c: In function 'searchdir':
btrfs.c:1029:14: warning: assignment makes pointer from integer without a cast [enabled by default]
btrfs.c:1058:17: warning: pointer targets in assignment differ in signedness [-Wpointer-sign]
btrfs.c: In function 'getfssec':
btrfs.c:1114:11: warning: unused variable 'handle' [-Wunused-variable]
btrfs.c: In function 'generic_getfssec':
btrfs.c:1132:26: warning: initialization from incompatible pointer type [enabled by default]
btrfs.c:1132:21: warning: unused variable 'fs' [-Wunused-variable]
fs.c:97:3: warning: initialization from incompatible pointer type [enabled by default]
fs.c:97:3: warning: (near initialization for 'fstypes[2].ls') [enabled by default]

And with ELDK 4.2:
btrfs.c: In function 'insert_map':
btrfs.c:144: warning: implicit declaration of function 'malloc'
btrfs.c: In function 'btrfs_read_super_block':
btrfs.c:281: warning: unused variable 'boots'
btrfs.c:279: warning: unused variable 'ret'
btrfs.c: In function 'btrfs_read_chunk_tree':
btrfs.c:507: warning: format '%d' expects type 'int', but argument 2 has type 'uint64_t'
btrfs.c:503: warning: unused variable 'status'
btrfs.c: In function 'btrfs_iget':
btrfs.c:607: warning: initialization from incompatible pointer type
btrfs.c: In function 'btrfs_readdir':
btrfs.c:637: warning: initialization from incompatible pointer type
btrfs.c: In function 'btrfs_next_extent':
btrfs.c:682: warning: initialization from incompatible pointer type
btrfs.c: In function 'btrfs_getfssec':
btrfs.c:729: warning: initialization from incompatible pointer type
btrfs.c:729: warning: unused variable 'fs'
btrfs.c: In function 'put_inode':
btrfs.c:844: warning: implicit declaration of function 'free'
btrfs.c: In function 'alloc_inode':
btrfs.c:854: warning: initialization makes pointer from integer without a cast
btrfs.c:857: warning: assignment from incompatible pointer type
btrfs.c: In function 'btrfs_open_file':
btrfs.c:952: warning: implicit declaration of function 'searchdir'
btrfs.c: In function 'searchdir':
btrfs.c:1029: warning: assignment makes pointer from integer without a cast
btrfs.c:1058: warning: pointer targets in assignment differ in signedness
btrfs.c: In function 'getfssec':
btrfs.c:1114: warning: unused variable 'handle'
btrfs.c: In function 'generic_getfssec':
btrfs.c:1132: warning: initialization from incompatible pointer type
btrfs.c:1132: warning: unused variable 'fs'
fs.c:97: warning: initialization from incompatible pointer type

Please fix.  I can test ELDK 4.2 if you fix the ELDK 5.3 warnings (which
also show up with other toolchains).

-- 
Tom
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