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Message-ID: <1388135345-2006-7-git-send-email-liezhi.yang@windriver.com> Date: Fri, 27 Dec 2013 04:09:00 -0500 From: Robert Yang <liezhi.yang@...driver.com> To: <tytso@....edu>, <dvhart@...ux.intel.com> CC: <linux-ext4@...r.kernel.org> Subject: [PATCH V3 06/11] misc/create_inode.c: create directory The do_mkdir_internal() is used for making dir on the target fs, most of the code are from debugfs/debugfs.c, the debugfs/debugfs.c will be modified to use this function. Signed-off-by: Robert Yang <liezhi.yang@...driver.com> Reviewed-by: Darren Hart <dvhart@...ux.intel.com> --- misc/create_inode.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/misc/create_inode.c b/misc/create_inode.c index cea0109..15d0f17 100644 --- a/misc/create_inode.c +++ b/misc/create_inode.c @@ -135,6 +135,37 @@ try_again: /* Make a directory in the fs */ errcode_t do_mkdir_internal(ext2_ino_t cwd, const char *name, struct stat *st) { + char *cp; + ext2_ino_t parent_ino, ino; + errcode_t retval; + struct ext2_inode inode; + + + cp = strrchr(name, '/'); + if (cp) { + *cp = 0; + if ((retval = ext2fs_namei(current_fs, root, cwd, name, &parent_ino))){ + com_err(name, retval, 0); + return retval; + } + name = cp+1; + } else + parent_ino = cwd; + +try_again: + retval = ext2fs_mkdir(current_fs, parent_ino, 0, name); + if (retval == EXT2_ET_DIR_NO_SPACE) { + retval = ext2fs_expand_dir(current_fs, parent_ino); + if (retval) { + com_err(__func__, retval, "while expanding directory"); + return retval; + } + goto try_again; + } + if (retval) { + com_err("ext2fs_mkdir", retval, 0); + return retval; + } } static errcode_t copy_file(int fd, ext2_ino_t newfile, int bufsize, int make_holes) -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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