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| author | Yongqiang Yang <xiaoqiangnk@gmail.com> | 2011-09-14 11:55:59 -0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2011-09-14 13:26:57 -0400 |
| commit | 9f6ba888f027ba4daf57ac61a11a6dce98e42347 (patch) | |
| tree | 4f02d06403067a9c44434e074fdbd034782bc374 /resize | |
| parent | 478113973e003762930c0b0250d64b9092e2deb1 (diff) | |
| download | e2fsprogs-9f6ba888f027ba4daf57ac61a11a6dce98e42347.tar.gz | |
resize2fs: add support for new in-kernel online resize ioctl
This is needed to support online resizing for > 32-bit file systems
Signed-off-by: Yongqiang Yang <xiaoqiangnk@gmail.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'resize')
| -rw-r--r-- | resize/online.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/resize/online.c b/resize/online.c index 1d8d4ecf..1b3589bc 100644 --- a/resize/online.c +++ b/resize/online.c @@ -51,7 +51,7 @@ errcode_t online_resize_fs(ext2_filsys fs, const char *mtpt, fs->super->s_first_data_block, EXT2_BLOCKS_PER_GROUP(fs->super)), EXT2_DESC_PER_BLOCK(fs->super)); - printf("old desc_blocks = %lu, new_desc_blocks = %lu\n", + printf("old_desc_blocks = %lu, new_desc_blocks = %lu\n", fs->desc_blocks, new_desc_blocks); if (!(fs->super->s_feature_compat & EXT2_FEATURE_COMPAT_RESIZE_INODE) && @@ -69,6 +69,23 @@ errcode_t online_resize_fs(ext2_filsys fs, const char *mtpt, } size=ext2fs_blocks_count(sb); + + if (ioctl(fd, EXT4_IOC_RESIZE_FS, new_size)) { + if (errno != ENOTTY) { + if (errno == EPERM) + com_err(program_name, 0, + _("Permission denied to resize filesystem")); + else + com_err(program_name, errno, + _("While checking for on-line resizing " + "support")); + exit(1); + } + } else { + close(fd); + return 0; + } + if (ioctl(fd, EXT2_IOC_GROUP_EXTEND, &size)) { if (errno == EPERM) com_err(program_name, 0, |