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Because we first write metadata into new place and then trash old place we

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don't want situation where old size is equal to new size, as we will trash
newly written metadata.

MFC after:	1 week
This commit is contained in:
Pawel Jakub Dawidek 2010-09-23 10:58:13 +00:00
parent 429cf66400
commit 2ecb2a01e7
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=213058
1 changed files with 4 additions and 0 deletions
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4
sbin/geom/class/eli/geom_eli.c
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@ -1302,6 +1302,10 @@ eli_resize(struct gctl_req *req)
gctl_error(req, "Invalid oldsize: Out of range.");
goto out;
}
if (oldsize == mediasize) {
gctl_error(req, "Size hasn't changed.");
goto out;
}
/* Read metadata from the 'oldsize' offset. */
if (pread(provfd, sector, secsize, oldsize - secsize) != secsize) {