mirror of
https://github.com/moparisthebest/pacman
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e183522e31
Only load filesystem details for the mount points that we're actually going to write to. This reduces our syscall count considerably. In the case of installation, we would actually stat every mountpoint twice (an extra round for download diskspace) which means (on my system) a total of 60 syscalls to write to 3 partitions when installing the kernel package. This change reduces the 60 syscalls down to the expected 3. A slight debug output change is added here to discern between a mountpoint added to our linked list versus when we actually load the fs info. Signed-off-by: Dave Reisner <dreisner@archlinux.org> Signed-off-by: Dan McGee <dan@archlinux.org>
66 lines
1.7 KiB
C
66 lines
1.7 KiB
C
/*
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* diskspace.h
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*
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* Copyright (c) 2010-2012 Pacman Development Team <pacman-dev@archlinux.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _ALPM_DISKSPACE_H
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#define _ALPM_DISKSPACE_H
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#if defined(HAVE_SYS_MOUNT_H)
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#include <sys/mount.h>
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#endif
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#if defined(HAVE_SYS_STATVFS_H)
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#include <sys/statvfs.h>
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#endif
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#if defined(HAVE_SYS_TYPES_H)
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#include <sys/types.h>
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#endif
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#include "alpm.h"
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enum mount_used_level {
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USED_REMOVE = 1,
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USED_INSTALL = (1 << 1),
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};
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enum mount_fsinfo {
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MOUNT_FSINFO_UNLOADED = 0,
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MOUNT_FSINFO_LOADED,
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MOUNT_FSINFO_FAIL,
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};
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typedef struct __alpm_mountpoint_t {
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/* mount point information */
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char *mount_dir;
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size_t mount_dir_len;
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/* storage for additional disk usage calculations */
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blkcnt_t blocks_needed;
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blkcnt_t max_blocks_needed;
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enum mount_used_level used;
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int read_only;
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enum mount_fsinfo fsinfo_loaded;
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FSSTATSTYPE fsp;
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} alpm_mountpoint_t;
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int _alpm_check_diskspace(alpm_handle_t *handle);
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int _alpm_check_downloadspace(alpm_handle_t *handle, const char *cachedir,
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size_t num_files, off_t *file_sizes);
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#endif /* _ALPM_DISKSPACE_H */
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/* vim: set ts=2 sw=2 noet: */
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