slyfox      14/03/10 19:34:29

  Added:                btrfs-progs-3.12-defrag-sockets.patch
  Log:
  Fix recursive defrag failures on non-files (bug #503514 by Antoine Lemoine).
  
  (Portage version: 2.2.8_p62/cvs/Linux x86_64, signed Manifest commit with key 
611FF3AA)

Revision  Changes    Path
1.1                  
sys-fs/btrfs-progs/files/btrfs-progs-3.12-defrag-sockets.patch

file : 
http://sources.gentoo.org/viewvc.cgi/gentoo-x86/sys-fs/btrfs-progs/files/btrfs-progs-3.12-defrag-sockets.patch?rev=1.1&view=markup
plain: 
http://sources.gentoo.org/viewvc.cgi/gentoo-x86/sys-fs/btrfs-progs/files/btrfs-progs-3.12-defrag-sockets.patch?rev=1.1&content-type=text/plain

Index: btrfs-progs-3.12-defrag-sockets.patch
===================================================================
From:   Pascal VITOUX <[email protected]>
To:     [email protected]
Cc:     Pascal VITOUX <[email protected]>
Subject: [PATCH] btrfs-progs: skip non-regular files while defragmenting
Date:   Thu,  9 Jan 2014 23:47:14 +0100
Message-Id: <[email protected]>
X-Mailer: git-send-email 1.8.5.2
Sender: [email protected]
Precedence: bulk
List-ID: <linux-btrfs.vger.kernel.org>
X-Mailing-List: [email protected]

Skip non-regular files to avoid ioctl errors while defragmenting.

They are silently ignored in recursive mode but reported as errors when
used as command-line arguments.

Signed-off-by: Pascal VITOUX <[email protected]>
Gentoo-bug: https://bugs.gentoo.org/503514
Reported-by: Antoine Lemoine
---
 cmds-filesystem.c | 26 ++++++++++++++++----------
 1 file changed, 16 insertions(+), 10 deletions(-)

diff --git a/cmds-filesystem.c b/cmds-filesystem.c
index 1c1926b..54fba10 100644
--- a/cmds-filesystem.c
+++ b/cmds-filesystem.c
@@ -646,7 +646,7 @@ static int defrag_callback(const char *fpath, const struct 
stat *sb,
        int e = 0;
        int fd = 0;
 
-       if (typeflag == FTW_F) {
+       if ((typeflag == FTW_F) && S_ISREG(sb->st_mode)) {
                if (defrag_global_verbose)
                        printf("%s\n", fpath);
                fd = open(fpath, O_RDWR);
@@ -748,6 +748,7 @@ static int cmd_defrag(int argc, char **argv)
                defrag_global_range.flags |= BTRFS_DEFRAG_RANGE_START_IO;
 
        for (i = optind; i < argc; i++) {
+               struct stat st;
                dirstream = NULL;
                fd = open_file_or_dir(argv[i], &dirstream);
                if (fd < 0) {
@@ -757,16 +758,21 @@ static int cmd_defrag(int argc, char **argv)
                        close_file_or_dir(fd, dirstream);
                        continue;
                }
+               if (fstat(fd, &st)) {
+                       fprintf(stderr, "ERROR: failed to stat %s - %s\n",
+                                       argv[i], strerror(errno));
+                       defrag_global_errors++;
+                       close_file_or_dir(fd, dirstream);
+                       continue;
+               }
+               if (!(S_ISDIR(st.st_mode) || S_ISREG(st.st_mode))) {
+                       fprintf(stderr, "ERROR: %s is not a directory or a 
regular "
+                                       "file.\n", argv[i]);
+                       defrag_global_errors++;
+                       close_file_or_dir(fd, dirstream);
+                       continue;
+               }
                if (recursive) {
-                       struct stat st;
-
-                       if (fstat(fd, &st)) {
-                               fprintf(stderr, "ERROR: failed to stat %s - 
%s\n",
-                                               argv[i], strerror(errno));
-                               defrag_global_errors++;
-                               close_file_or_dir(fd, dirstream);
-                               continue;
-                       }
                        if (S_ISDIR(st.st_mode)) {
                                ret = nftw(argv[i], defrag_callback, 10,
                                                FTW_MOUNT | FTW_PHYS);
-- 
1.8.5.2




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