Patrick Williams | c124f4f | 2015-09-15 14:41:29 -0500 | [diff] [blame] | 1 | From c8d1c43be24489036137f8fdebcfccc208f7cc8b Mon Sep 17 00:00:00 2001 |
| 2 | From: Robert Yang <liezhi.yang@windriver.com> |
| 3 | Date: Mon, 23 Dec 2013 03:34:14 -0500 |
| 4 | Subject: [PATCH 06/11] misc/create_inode.c: create directory |
| 5 | |
| 6 | The do_mkdir_internal() is used for making dir on the target fs, most of |
| 7 | the code are from debugfs/debugfs.c, the debugfs/debugfs.c will be |
| 8 | modified to use this function. |
| 9 | |
| 10 | Upstream-Status: Backport |
| 11 | |
| 12 | Signed-off-by: Robert Yang <liezhi.yang@windriver.com> |
| 13 | Reviewed-by: Darren Hart <dvhart@linux.intel.com> |
| 14 | --- |
| 15 | misc/create_inode.c | 31 +++++++++++++++++++++++++++++++ |
| 16 | 1 file changed, 31 insertions(+) |
| 17 | |
| 18 | diff --git a/misc/create_inode.c b/misc/create_inode.c |
| 19 | index 98f4a93..6a8c92a 100644 |
| 20 | --- a/misc/create_inode.c |
| 21 | +++ b/misc/create_inode.c |
| 22 | @@ -135,6 +135,37 @@ try_again: |
| 23 | /* Make a directory in the fs */ |
| 24 | errcode_t do_mkdir_internal(ext2_ino_t cwd, const char *name, struct stat *st) |
| 25 | { |
| 26 | + char *cp; |
| 27 | + ext2_ino_t parent_ino, ino; |
| 28 | + errcode_t retval; |
| 29 | + struct ext2_inode inode; |
| 30 | + |
| 31 | + |
| 32 | + cp = strrchr(name, '/'); |
| 33 | + if (cp) { |
| 34 | + *cp = 0; |
| 35 | + if ((retval = ext2fs_namei(current_fs, root, cwd, name, &parent_ino))){ |
| 36 | + com_err(name, retval, 0); |
| 37 | + return retval; |
| 38 | + } |
| 39 | + name = cp+1; |
| 40 | + } else |
| 41 | + parent_ino = cwd; |
| 42 | + |
| 43 | +try_again: |
| 44 | + retval = ext2fs_mkdir(current_fs, parent_ino, 0, name); |
| 45 | + if (retval == EXT2_ET_DIR_NO_SPACE) { |
| 46 | + retval = ext2fs_expand_dir(current_fs, parent_ino); |
| 47 | + if (retval) { |
| 48 | + com_err(__func__, retval, "while expanding directory"); |
| 49 | + return retval; |
| 50 | + } |
| 51 | + goto try_again; |
| 52 | + } |
| 53 | + if (retval) { |
| 54 | + com_err("ext2fs_mkdir", retval, 0); |
| 55 | + return retval; |
| 56 | + } |
| 57 | } |
| 58 | |
| 59 | static errcode_t copy_file(int fd, ext2_ino_t newfile, int bufsize, int make_holes) |
| 60 | -- |
| 61 | 1.7.10.4 |
| 62 | |