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growfs: allow operation on RW-mounted filesystems

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growfs supports growing mounted filesystems (writes are temporarily
suspended while the grow happens).  Drop the check for fs_clean == 0
to restore this case.  Leave fs_flags check for FS_UNCLEAN or
FS_NEEDSFSCK which represent the state of the filesystem when it was
mounted, and fsck should be run first if they are set.

PR:		253754
Reviewed by:	mckusick
Fixes:		6eb925f845 ("Filesystem utilities that modify the...")
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D29021

(cherry picked from commit 0dcde5cc12)
This commit is contained in:
Ed Maste 2021-03-02 17:35:48 -05:00
parent 59f6f5e23c
commit b5920128c7
1 changed files with 2 additions and 3 deletions
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5
sbin/growfs/growfs.c
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@ -1461,10 +1461,9 @@ main(int argc, char **argv)
}
}
/*
* Check for unclean filesystem.
* Check for filesystem that was unclean at mount time.
*/
if (fs->fs_clean == 0 ||
(fs->fs_flags & (FS_UNCLEAN | FS_NEEDSFSCK)) != 0)
if ((fs->fs_flags & (FS_UNCLEAN | FS_NEEDSFSCK)) != 0)
errx(1, "%s is not clean - run fsck.\n", *argv);
memcpy(&osblock, fs, fs->fs_sbsize);
free(fs);