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mirror of https://sourceware.org/git/glibc.git synced 2025-07-29 11:41:21 +03:00

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

@ -25,7 +25,7 @@
extern void __internal_statvfs64 (const char *name, struct statvfs64 *buf,
struct statfs64 *fsbuf, struct stat64 *st);
struct statfs64 *fsbuf, int fd);
/* Return information about the filesystem on which FD resides. */
@ -60,12 +60,8 @@ __fstatvfs64 (int fd, struct statvfs64 *buf)
#endif
if (res == 0)
{
/* Convert the result. */
struct stat64 st;
__internal_statvfs64 (NULL, buf, &fsbuf,
fstat64 (fd, &st) == -1 ? NULL : &st);
}
/* Convert the result. */
__internal_statvfs64 (NULL, buf, &fsbuf, fd);
return res;
}