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Log info about the filesystem used

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This commit is contained in:
Andrea Mazzoleni 2016-01-09 11:18:32 +01:00
parent e5ab577b6d
commit 984ea5a329
2 changed files with 67 additions and 12 deletions
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65
cmdline/unix.c
View file

@ -297,7 +297,10 @@ int filephy(const char* path, uint64_t size, uint64_t* physical)
int fsinfo(const char* path, int* has_persistent_inode, uint64_t* total_space, uint64_t* free_space)
{
#if HAVE_STATFS && HAVE_STRUCT_STATFS_F_TYPE
char type[64];
const char* ptype;
#if HAVE_STATFS
struct statfs st;
if (statfs(path, &st) != 0) {
@ -325,9 +328,11 @@ int fsinfo(const char* path, int* has_persistent_inode, uint64_t* total_space, u
if (statfs(dir, &st) != 0)
return -1;
}
#endif
/* to get the fs type check "man stat" or "stat -f -t FILE" */
if (has_persistent_inode)
if (has_persistent_inode) {
#if HAVE_STATFS && HAVE_STRUCT_STATFS_F_TYPE
switch (st.f_type) {
case 0x65735546 : /* FUSE, "fuseblk" in the stat command */
case 0x4d44 : /* VFAT, "msdos" in the stat command */
@ -338,22 +343,58 @@ int fsinfo(const char* path, int* has_persistent_inode, uint64_t* total_space, u
*has_persistent_inode = 1;
break;
}
#else
/* by default assume yes */
*has_persistent_inode = 1;
#endif
}
if (total_space)
if (total_space) {
#if HAVE_STATFS
*total_space = st.f_bsize * (uint64_t)st.f_blocks;
if (free_space)
#else
*total_space = 0;
#endif
}
if (free_space) {
#if HAVE_STATFS
*free_space = st.f_bsize * (uint64_t)st.f_bfree;
#else
(void)path;
/* by default assume yes */
if (has_persistent_inode)
*has_persistent_inode = 1;
if (total_space)
*total_space = 0;
if (free_space)
*free_space = 0;
#endif
}
#if HAVE_STATFS && HAVE_STRUCT_STATFS_F_FSTYPENAME
/* get the filesystem type directly from the struct (Mac OS X) */
(void)type;
ptype = st.f_fstypename;
#elif HAVE_STATFS && HAVE_STRUCT_STATFS_F_TYPE
/* get the filesystem type from f_type (Linux) */
/* from: https://github.com/influxdata/gopsutil/blob/master/disk/disk_linux.go */
switch (st.f_type) {
case 0x65735546 : ptype = "fuseblk"; break;
case 0x4D44 : ptype = "vfat/msdos"; break;
case 0xEF53 : ptype = "ext2/3/4"; break;
case 0x6969 : ptype = "nfs"; break; /* remote */
case 0x6E667364 : ptype = "nfsd"; break; /* remote */
case 0x517B : ptype = "smb"; break; /* remote */
case 0x5346544E : ptype = "ntfs"; break;
case 0x52654973 : ptype = "reiserfs"; break;
case 0x3153464A : ptype = "jfs" ; break;
case 0x58465342 : ptype = "xfs"; break;
case 0x9123683E : ptype = "btrfs"; break;
case 0x2FC12FC1 : ptype = "zfs"; break;
default:
snprintf(type, sizeof(type), "0x%X", (unsigned)st.f_type);
ptype = type;
}
#else
(void)type;
ptype = "unknown";
#endif
log_tag("statfs:%s: %s \n", ptype, path);
return 0;
}

14
configure.ac
View file

@ -77,6 +77,20 @@ AC_CHECK_MEMBERS([struct statfs.f_type], [], [], [[
#include <sys/statfs.h>
#endif
]])
AC_CHECK_MEMBERS([struct statfs.f_fstypename], [], [], [[
#if HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
#if HAVE_SYS_MOUNT_H
#include <sys/mount.h>
#endif
#if HAVE_SYS_VFS_H
#include <sys/vfs.h>
#endif
#if HAVE_SYS_STATFS_H
#include <sys/statfs.h>
#endif
]])
dnl Checks for library functions.
AC_CHECK_FUNCS([memset strchr strerror strrchr mkdir gettimeofday strtoul])