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2011-07-07 Ulrich Drepper <drepper@gmail.com>
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[BZ #12868]
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* sysdeps/unix/sysv/linux/linux_fsinfo.h: Define Lustre constants.
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* sysdeps/unix/sysv/linux/internal_statvfs.c (__statvfs_getflags):
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Handle Lustre.
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* sysdeps/unix/sysv/linux/pathconf.c (__statfs_link_max): Likewise.
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(__statfs_filesize_max): Likewise.
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Patch mostly by Andreas Dilger <adilger@whamcloud.com>.
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Index: glibc-2.12-2-gc4ccff1/sysdeps/unix/sysv/linux/internal_statvfs.c
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===================================================================
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--- glibc-2.12-2-gc4ccff1.orig/sysdeps/unix/sysv/linux/internal_statvfs.c
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+++ glibc-2.12-2-gc4ccff1/sysdeps/unix/sysv/linux/internal_statvfs.c
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@@ -109,6 +109,9 @@ __statvfs_getflags (const char *name, in
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case LOGFS_MAGIC_U32:
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fsname = "logfs";
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break;
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+ case LUSTRE_SUPER_MAGIC:
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+ fsname = "lustre";
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+ break;
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}
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FILE *mtab = __setmntent ("/proc/mounts", "r");
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Index: glibc-2.12-2-gc4ccff1/sysdeps/unix/sysv/linux/linux_fsinfo.h
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===================================================================
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--- glibc-2.12-2-gc4ccff1.orig/sysdeps/unix/sysv/linux/linux_fsinfo.h
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+++ glibc-2.12-2-gc4ccff1/sysdeps/unix/sysv/linux/linux_fsinfo.h
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@@ -77,6 +77,9 @@
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/* Constant that identifies the `logfs´ filesystem. */
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#define LOGFS_MAGIC_U32 0xc97e8168u
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+/* Constant that identifies the `lustre' filesystem. */
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+#define LUSTRE_SUPER_MAGIC 0x0BD00BD0
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+
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/* Constants that identify the `minix2' filesystem. */
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#define MINIX2_SUPER_MAGIC 0x2468
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#define MINIX2_SUPER_MAGIC2 0x2478
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@@ -144,6 +147,8 @@
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/* Maximum link counts. */
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#define COH_LINK_MAX 10000
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#define EXT2_LINK_MAX 32000
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+#define EXT4_LINK_MAX 65000
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+#define LUSTRE_LINK_MAX EXT4_LINK_MAX
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#define MINIX2_LINK_MAX 65530
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#define MINIX_LINK_MAX 250
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#define REISERFS_LINK_MAX 64535
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Index: glibc-2.12-2-gc4ccff1/sysdeps/unix/sysv/linux/pathconf.c
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===================================================================
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--- glibc-2.12-2-gc4ccff1.orig/sysdeps/unix/sysv/linux/pathconf.c
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+++ glibc-2.12-2-gc4ccff1/sysdeps/unix/sysv/linux/pathconf.c
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@@ -104,6 +104,9 @@ __statfs_link_max (int result, const str
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case XFS_SUPER_MAGIC:
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return XFS_LINK_MAX;
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+ case LUSTRE_SUPER_MAGIC:
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+ return LUSTRE_LINK_MAX;
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+
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default:
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return LINUX_LINK_MAX;
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}
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@@ -136,6 +139,7 @@ __statfs_filesize_max (int result, const
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case UDF_SUPER_MAGIC:
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case JFS_SUPER_MAGIC:
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case VXFS_SUPER_MAGIC:
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+ case LUSTRE_SUPER_MAGIC:
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return 64;
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case MSDOS_SUPER_MAGIC:
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