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Avoid stat/fstat in statvfs/fstatvfs (BZ #15132)

Delay the use of stat/fstat until stat data is required.  When the
kernel returns ST_VALID, stat data is not used by __internal_statvfs.
This commit is contained in:
Eric Wong
2014-05-29 09:41:29 +05:30
committed by Siddhesh Poyarekar
parent 0d3b7a190c
commit 26b0d2e1a1
7 changed files with 44 additions and 37 deletions

View File

@ -22,7 +22,7 @@
#include <sys/statvfs.h>
extern void __internal_statvfs (const char *name, struct statvfs *buf,
struct statfs *fsbuf, struct stat64 *st);
struct statfs *fsbuf, int fd);
int
@ -36,7 +36,7 @@ fstatvfs (int fd, struct statvfs *buf)
return -1;
/* Convert the result. */
__internal_statvfs (NULL, buf, &fsbuf, fstat64 (fd, &st) == -1 ? NULL : &st);
__internal_statvfs (NULL, buf, &fsbuf, fd);
/* We signal success if the statfs call succeeded. */
return 0;