Blame SOURCES/postfix-3.2.0-large-fs.patch

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diff --git a/src/util/fsspace.c b/src/util/fsspace.c
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index 50a4aa7..beef3db 100644
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--- a/src/util/fsspace.c
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+++ b/src/util/fsspace.c
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@@ -91,8 +91,15 @@ void    fsspace(const char *path, struct fsspace * sp)
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     if (statvfs(path, &fsbuf) < 0)
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 	msg_fatal("statvfs %s: %m", path);
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-    sp->block_size = fsbuf.f_frsize;
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-    sp->block_free = fsbuf.f_bavail;
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+    if (fsbuf.f_frsize > 0)
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+	sp->block_size = fsbuf.f_frsize;
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+    else
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+	sp->block_size = fsbuf.f_bsize;
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+    /* 4G of FS blocks is surely enough space to put a mail in */
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+    sp->block_free = 0;
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+    sp->block_free = ~sp->block_free;
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+    if (fsbuf.f_bavail < sp->block_free)
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+	sp->block_free = fsbuf.f_bavail;
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 #endif
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     if (msg_verbose)
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 	msg_info("%s: %s: block size %lu, blocks free %lu",
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diff --git a/src/util/sys_defs.h b/src/util/sys_defs.h
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index 3f570c4..611d9cd 100644
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--- a/src/util/sys_defs.h
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+++ b/src/util/sys_defs.h
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@@ -768,8 +768,8 @@ extern int initgroups(const char *, int);
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 #define GETTIMEOFDAY(t)	gettimeofday(t,(struct timezone *) 0)
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 #define ROOT_PATH	"/bin:/usr/bin:/sbin:/usr/sbin"
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 #define FIONREAD_IN_TERMIOS_H
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-#define USE_STATFS
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-#define STATFS_IN_SYS_VFS_H
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+#define USE_STATVFS
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+#define STATVFS_IN_SYS_STATVFS_H
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 #define PREPEND_PLUS_TO_OPTSTRING
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 #define HAS_POSIX_REGEXP
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 #define HAS_DLOPEN