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Added xfs support to vfs_minimum_size.

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This commit is contained in:
Maxim Perevedentsev
2015-10-27 18:20:45 +03:00
committed by Richard W.M. Jones
parent a4da3f74c9
commit f5caa421d1
4 changed files with 29 additions and 1 deletions
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1
daemon/daemon.h
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@@ -269,6 +269,7 @@ extern int copy_xattrs (const char *src, const char *dest);
extern int xfs_set_uuid (const char *device, const char *uuid);
extern int xfs_set_uuid_random (const char *device);
extern int xfs_set_label (const char *device, const char *label);
extern int64_t xfs_minimum_size (const char *path);
/*-- debug-bmap.c --*/
extern char *debug_bmap (const char *subcmd, size_t argc, char *const *const argv);

7
daemon/fs-min-size.c
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@@ -73,6 +73,13 @@ do_vfs_minimum_size (const mountable_t *mountable)
r = btrfs_minimum_size (path);
}
else if (STREQ (vfs_type, "xfs")) {
CLEANUP_FREE char *path = get_mount_point (mountable->device);
if (path == NULL)
return -1;
r = xfs_minimum_size (path);
}
else
NOT_SUPPORTED (-1, "don't know how to get minimum size of '%s' filesystems",
vfs_type);

16
daemon/xfs.c
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@@ -660,3 +660,19 @@ do_xfs_repair (const char *device,
return r;
}
int64_t
xfs_minimum_size (const char *path)
{
CLEANUP_FREE guestfs_int_xfsinfo *info = do_xfs_info (path);
if (info == NULL)
return -1;
// XFS does not support shrinking.
if (INT64_MAX / info->xfs_blocksize < info->xfs_datablocks) {
reply_with_error ("filesystem size too big: overflow");
return -1;
}
return info->xfs_blocksize * info->xfs_datablocks;
}

6
generator/actions.ml
View File

@@ -12765,6 +12765,10 @@ To read the UUID on a filesystem, call C<guestfs_vfs_uuid>." };
[["mkfs"; "btrfs"; "/dev/sda1"; ""; "NOARG"; ""; ""; "NOARG"];
["mount"; "/dev/sda1"; "/"];
["vfs_minimum_size"; "/dev/sda1"]]), [];
InitPartition, Always, TestRun (
[["mkfs"; "xfs"; "/dev/sda1"; ""; "NOARG"; ""; ""; "NOARG"];
["mount"; "/dev/sda1"; "/"];
["vfs_minimum_size"; "/dev/sda1"]]), [];
];
shortdesc = "get minimum filesystem size";
longdesc = "\
@@ -12774,7 +12778,7 @@ This is the minimum possible size for filesystem shrinking.
If getting minimum size of specified filesystem is not supported,
this will fail and set errno as ENOTSUP.
See also L<ntfsresize(8)>, L<resize2fs(8)>, L<btrfs(8)>." };
See also L<ntfsresize(8)>, L<resize2fs(8)>, L<btrfs(8)>, L<xfs_info(8)>." };
]