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dummy var to suppress compiler warning/error

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Summary: Revmoed this in D25641, causing compiler complain. put it back

Test Plan: make release

Reviewers: igor, yhchiang, rven, sdong

Reviewed By: sdong

Subscribers: dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D27891
This commit is contained in:
Lei Jin 2014-10-29 15:38:34 -07:00
parent c2999f54bd
commit 17be187ff9
1 changed files with 2 additions and 1 deletions
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3
util/env_posix.cc
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@ -739,7 +739,8 @@ class PosixWritableFile : public WritableFile {
// trim the extra space preallocated at the end of the file
// NOTE(ljin): we probably don't want to surface failure as an IOError,
// but it will be nice to log these errors.
ftruncate(fd_, filesize_);
int dummy __attribute__((unused));
dummy = ftruncate(fd_, filesize_);
#ifdef ROCKSDB_FALLOCATE_PRESENT
// in some file systems, ftruncate only trims trailing space if the
// new file size is smaller than the current size. Calling fallocate