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fs: separate CONFIG_FS_{FAT, EXT4} from CONFIG_CMD_{FAT, EXT*}

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This makes the FAT and ext4 filesystem implementations build if
CONFIG_FS_{FAT,EXT4} are defined, rather than basing the build on
whether CONFIG_CMD_{FAT,EXT*} are defined. This will allow the
filesystems to be built separately from the filesystem-specific commands
that use them. This paves the way for the creation of filesystem-generic
commands that used the filesystems, without requiring the filesystem-
specific commands.

Minor documentation changes are made for this change.

The new config options are automatically selected by the old config
options to retain backwards-compatibility.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
This commit is contained in:
Stephen Warren
2012-10-22 06:43:50 +00:00
committed by Tom Rini
parent 672ee2110c
commit 03e2ecf6b8
9 changed files with 38 additions and 13 deletions
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13
include/config_fallbacks.h
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@@ -13,4 +13,17 @@
#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
#endif
#if defined(CONFIG_CMD_FAT) && !defined(CONFIG_FS_FAT)
#define CONFIG_FS_FAT
#endif
#if (defined(CONFIG_CMD_EXT4) || defined(CONFIG_CMD_EXT2)) && \
!defined(CONFIG_FS_EXT4)
#define CONFIG_FS_EXT4
#endif
#if defined(CONFIG_CMD_EXT4_WRITE) && !defined(CONFIG_EXT4_WRITE)
#define CONFIG_EXT4_WRITE
#endif
#endif /* __CONFIG_FALLBACKS_H */

2
include/ext4fs.h
View File

@@ -116,7 +116,7 @@ struct ext_filesystem {
extern struct ext2_data *ext4fs_root;
extern struct ext2fs_node *ext4fs_file;
#if defined(CONFIG_CMD_EXT4_WRITE)
#if defined(CONFIG_EXT4_WRITE)
extern struct ext2_inode *g_parent_inode;
extern int gd_index;
extern int gindex;