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dump: hide check for fifo

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Signed-off-by: Stanislav Kinsbursky <skinsbursky@openvz.org>
Acked-by: Pavel Emelyanov <xemul@parallels.com>
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
This commit is contained in:
Kinsbursky Stanislav
2012-03-01 20:56:41 +03:00
committed by Cyrill Gorcunov
parent ba6ac0104e
commit 698fe036d0
1 changed files with 13 additions and 10 deletions
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23
cr-dump.c
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@@ -252,6 +252,17 @@ static int dump_one_pipe(struct fd_parms *p, unsigned int id, int lfd,
{ {
struct pipe_entry e; struct pipe_entry e;
int ret = -1; int ret = -1;
struct statfs stfs_buf;
if (fstatfs(lfd, &stfs_buf) < 0) {
pr_perror("Can't fstatfs on %ld", p->fd_name);
return -1;
}
if (stfs_buf.f_type != PIPEFS_MAGIC) {
pr_err("Dumping of FIFO's is not supported: %ld\n", p->fd_name);
return -1;
}
pr_info("Dumping pipe %ld/%x flags %x\n", p->fd_name, id, p->flags); pr_info("Dumping pipe %ld/%x flags %x\n", p->fd_name, id, p->flags);
@@ -305,7 +316,6 @@ static int read_fd_params(pid_t pid, char *fd, struct fd_parms *p)
static int dump_one_fd(pid_t pid, int pid_fd_dir, char *d_name, struct cr_fdset *cr_fdset, static int dump_one_fd(pid_t pid, int pid_fd_dir, char *d_name, struct cr_fdset *cr_fdset,
struct sk_queue *sk_queue) struct sk_queue *sk_queue)
{ {
struct statfs stfs_buf;
struct stat st_buf; struct stat st_buf;
int err = -1; int err = -1;
struct fd_parms p; struct fd_parms p;
@@ -352,15 +362,8 @@ static int dump_one_fd(pid_t pid, int pid_fd_dir, char *d_name, struct cr_fdset
return dump_one_reg_file(&p, lfd, cr_fdset, 1); return dump_one_reg_file(&p, lfd, cr_fdset, 1);
} }
if (S_ISFIFO(st_buf.st_mode)) { if (S_ISFIFO(st_buf.st_mode))
if (fstatfs(lfd, &stfs_buf) < 0) { return dump_one_pipe(&p, st_buf.st_ino, lfd, cr_fdset);
pr_perror("Can't fstatfs on %ld", p.fd_name);
return -1;
}
if (stfs_buf.f_type == PIPEFS_MAGIC)
return dump_one_pipe(&p, st_buf.st_ino, lfd, cr_fdset);
}
err: err:
pr_err("Can't dump file %ld of that type [%x]\n", p.fd_name, st_buf.st_mode); pr_err("Can't dump file %ld of that type [%x]\n", p.fd_name, st_buf.st_mode);