From: Corinna Vinschen <corinna-cygwin@cygwin.com>
To: cygwin-patches@cygwin.com
Subject: Re: [PATCH v2 8/8] fhandler_disk_file.cc: Use path_conv's IndexNumber
Date: Tue, 26 Jan 2021 13:15:16 +0100 [thread overview]
Message-ID: <20210126121516.GN4393@calimero.vinschen.de> (raw)
In-Reply-To: <20210120161056.77784-9-ben@wijen.net>
On Jan 20 17:10, Ben Wijen wrote:
> path_conv already knows the IndexNumber, so just use it.
Yeah, this looks like a vestige from before the time we switched to
FILE_ALL_INFORMATION.
>
> This commit also fixes the potential handle leak.
> ---
> winsup/cygwin/fhandler_disk_file.cc | 24 ++++++------------------
> 1 file changed, 6 insertions(+), 18 deletions(-)
>
> diff --git a/winsup/cygwin/fhandler_disk_file.cc b/winsup/cygwin/fhandler_disk_file.cc
> index fe04f832b..39f914a59 100644
> --- a/winsup/cygwin/fhandler_disk_file.cc
> +++ b/winsup/cygwin/fhandler_disk_file.cc
> @@ -2029,9 +2029,6 @@ readdir_get_ino (const char *path, bool dot_dot)
> {
> char *fname;
> struct stat st;
> - HANDLE hdl;
> - OBJECT_ATTRIBUTES attr;
> - IO_STATUS_BLOCK io;
> ino_t ino = 0;
>
> if (dot_dot)
> @@ -2044,26 +2041,17 @@ readdir_get_ino (const char *path, bool dot_dot)
> path = fname;
> }
> path_conv pc (path, PC_SYM_NOFOLLOW | PC_POSIX | PC_KEEP_HANDLE);
Given that this function doesn't need a handle anymore, PC_KEEP_HANDLE
can go away.
> - if (pc.isspecial ())
> + if (pc.isgood_inode (pc.fai ()->InternalInformation.IndexNumber.QuadPart))
> + ino = pc.fai ()->InternalInformation.IndexNumber.QuadPart;
This ignores the fact that the file could be on an NFS filesystem.
Rather than using pc.fai ()->InternalInformation.IndexNumber.QuadPart,
this call should use pc.get_ino ().
Thanks,
Corinna
prev parent reply other threads:[~2021-01-26 12:15 UTC|newest]
Thread overview: 65+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-15 13:45 [PATCH 00/11] Improve rm speed Ben Wijen
2021-01-15 13:45 ` [PATCH 01/11] syscalls.cc: unlink_nt: Try FILE_DISPOSITION_IGNORE_READONLY_ATTRIBUTE first Ben Wijen
2021-01-18 10:25 ` Corinna Vinschen
2021-01-18 10:45 ` Corinna Vinschen
2021-01-18 12:11 ` Ben
2021-01-18 12:22 ` Corinna Vinschen
2021-01-18 14:30 ` Ben
2021-01-18 14:39 ` Corinna Vinschen
2021-01-18 14:59 ` Ben
2021-01-15 13:45 ` [PATCH 02/11] syscalls.cc: Deduplicate _remove_r Ben Wijen
2021-01-18 10:56 ` Corinna Vinschen
2021-01-18 12:40 ` Ben
2021-01-18 13:04 ` Corinna Vinschen
2021-01-18 13:51 ` Ben
2021-01-18 14:49 ` Corinna Vinschen
2021-01-18 14:58 ` Ben
2021-01-15 13:45 ` [PATCH 03/11] syscalls.cc: Fix num_links Ben Wijen
2021-01-18 11:01 ` Corinna Vinschen
2021-01-15 13:45 ` [PATCH 04/11] syscalls.cc: Use EISDIR Ben Wijen
2021-01-18 11:06 ` Corinna Vinschen
2021-01-15 13:45 ` [PATCH 05/11] Cygwin: Move post-dir unlink check Ben Wijen
2021-01-18 11:08 ` Corinna Vinschen
2021-01-18 14:31 ` Ben
2021-01-18 14:52 ` Corinna Vinschen
2021-01-15 13:45 ` [PATCH 06/11] cxx.cc: Fix dynamic initialization for static local variables Ben Wijen
2021-01-18 11:33 ` Corinna Vinschen
2021-01-15 13:45 ` [PATCH 07/11] syscalls.cc: Implement non-path_conv dependent _unlink_nt Ben Wijen
2021-01-18 10:51 ` Ben
2021-01-15 13:45 ` [PATCH 08/11] path.cc: Allow to skip filesystem checks Ben Wijen
2021-01-18 11:36 ` Corinna Vinschen
2021-01-18 17:15 ` Ben
2021-01-19 9:25 ` Corinna Vinschen
2021-01-15 13:45 ` [PATCH 09/11] mount.cc: Implement poor-man's cache Ben Wijen
2021-01-18 11:51 ` Corinna Vinschen
2021-02-03 11:38 ` Ben
2021-02-04 19:37 ` Corinna Vinschen
2021-01-15 13:45 ` [PATCH 10/11] syscalls.cc: Expose shallow-pathconv unlink_nt Ben Wijen
2021-01-15 13:45 ` [PATCH 11/11] dir.cc: Try unlink_nt first Ben Wijen
2021-01-18 12:13 ` Corinna Vinschen
2021-01-18 17:07 ` Ben
2021-01-18 17:18 ` Ben
2021-01-19 9:54 ` Corinna Vinschen
2021-01-20 16:10 ` [PATCH v2 0/8] Improve rm speed Ben Wijen
2021-01-20 16:10 ` [PATCH v2 1/8] syscalls.cc: unlink_nt: Try FILE_DISPOSITION_IGNORE_READONLY_ATTRIBUTE Ben Wijen
2021-01-22 10:52 ` Corinna Vinschen
2021-01-22 15:47 ` [PATCH v3 " Ben Wijen
2021-01-25 10:30 ` Corinna Vinschen
2021-01-20 16:10 ` [PATCH v2 2/8] syscalls.cc: Deduplicate remove Ben Wijen
2021-01-22 12:22 ` Corinna Vinschen
2021-01-22 15:47 ` [PATCH v3 " Ben Wijen
2021-01-25 18:58 ` Corinna Vinschen
2021-01-20 16:10 ` [PATCH v2 3/8] Cygwin: Move post-dir unlink check Ben Wijen
2021-01-22 12:35 ` Corinna Vinschen
2021-01-20 16:10 ` [PATCH v2 4/8] syscalls.cc: Implement non-path_conv dependent _unlink_nt Ben Wijen
2021-01-26 11:34 ` Corinna Vinschen
2021-02-03 11:03 ` Ben
2021-02-04 19:29 ` Corinna Vinschen
2021-01-20 16:10 ` [PATCH v2 5/8] path.cc: Allow to skip filesystem checks Ben Wijen
2021-01-20 16:10 ` [PATCH v2 6/8] syscalls.cc: Expose shallow-pathconv unlink_nt Ben Wijen
2021-01-26 11:45 ` Corinna Vinschen
2021-01-20 16:10 ` [PATCH v2 7/8] dir.cc: Try unlink_nt first Ben Wijen
2021-01-26 11:46 ` Corinna Vinschen
2021-01-27 9:22 ` Ben
2021-01-20 16:10 ` [PATCH v2 8/8] fhandler_disk_file.cc: Use path_conv's IndexNumber Ben Wijen
2021-01-26 12:15 ` Corinna Vinschen [this message]
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