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fsstress: allow fsync on directories too

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Currently the fsync function can only be performed against regular files.
Allow it to operate on directories too, to increase test coverage and
allow for chances of finding bugs in a filesystem's implementation of
fsync against directories.

Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: Eryu Guan <guaneryu@gmail.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>
This commit is contained in:
Filipe Manana
2019-04-04 17:29:52 +01:00
committed by Eryu Guan
parent 830349865e
commit 2c492c4d16
1 changed files with 19 additions and 2 deletions
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ltp/fsstress.c
+19 -2
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@@ -324,6 +324,7 @@ void make_freq_table(void);
int mkdir_path(pathname_t *, mode_t); int mkdir_path(pathname_t *, mode_t);
int mknod_path(pathname_t *, mode_t, dev_t); int mknod_path(pathname_t *, mode_t, dev_t);
void namerandpad(int, char *, int); void namerandpad(int, char *, int);
int open_file_or_dir(pathname_t *, int);
int open_path(pathname_t *, int); int open_path(pathname_t *, int);
DIR *opendir_path(pathname_t *); DIR *opendir_path(pathname_t *);
void process_freq(char *); void process_freq(char *);
@@ -1384,6 +1385,22 @@ namerandpad(int id, char *buf, int i)
} }
} }
int
open_file_or_dir(pathname_t *name, int flags)
{
int fd;
fd = open_path(name, flags);
if (fd != -1)
return fd;
if (fd == -1 && errno != EISDIR)
return fd;
/* Directories can not be opened in write mode. */
flags &= ~O_WRONLY;
flags |= O_RDONLY | O_DIRECTORY;
return open_path(name, flags);
}
int int
open_path(pathname_t *name, int oflag) open_path(pathname_t *name, int oflag)
{ {
@@ -3455,13 +3472,13 @@ fsync_f(int opno, long r)
int v; int v;
init_pathname(&f); init_pathname(&f);
if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) { if (!get_fname(FT_REGFILE | FT_DIRm, r, &f, NULL, NULL, &v)) {
if (v) if (v)
printf("%d/%d: fsync - no filename\n", procid, opno); printf("%d/%d: fsync - no filename\n", procid, opno);
free_pathname(&f); free_pathname(&f);
return; return;
} }
fd = open_path(&f, O_WRONLY); fd = open_file_or_dir(&f, O_WRONLY);
e = fd < 0 ? errno : 0; e = fd < 0 ? errno : 0;
check_cwd(); check_cwd();
if (fd < 0) { if (fd < 0) {