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-rw-r--r--lib/libalpm/diskspace.c53
-rw-r--r--lib/libalpm/diskspace.h7
2 files changed, 47 insertions, 13 deletions
diff --git a/lib/libalpm/diskspace.c b/lib/libalpm/diskspace.c
index 405bcd43..8fc4d9b0 100644
--- a/lib/libalpm/diskspace.c
+++ b/lib/libalpm/diskspace.c
@@ -69,22 +69,25 @@ static void mount_point_list_free(alpm_list_t *mount_points)
FREELIST(mount_points);
}
-#if defined(HAVE_GETMNTENT)
static int mount_point_load_fsinfo(alpm_handle_t *handle, alpm_mountpoint_t *mountpoint)
{
+#if defined(HAVE_GETMNTENT)
/* grab the filesystem usage */
if(statvfs(mountpoint->mount_dir, &(mountpoint->fsp)) != 0) {
_alpm_log(handle, ALPM_LOG_WARNING,
_("could not get filesystem information for %s: %s\n"),
mountpoint->mount_dir, strerror(errno));
+ mountpoint->fsinfo_loaded = MOUNT_FSINFO_FAIL;
return -1;
}
+ _alpm_log(handle, ALPM_LOG_DEBUG, "loading fsinfo for %s\n", mountpoint->mount_dir);
mountpoint->read_only = mountpoint->fsp.f_flag & ST_RDONLY;
+ mountpoint->fsinfo_loaded = MOUNT_FSINFO_LOADED;
+#endif
return 0;
}
-#endif
static alpm_list_t *mount_point_list(alpm_handle_t *handle)
{
@@ -106,11 +109,6 @@ static alpm_list_t *mount_point_list(alpm_handle_t *handle)
CALLOC(mp, 1, sizeof(alpm_mountpoint_t), RET_ERR(handle, ALPM_ERR_MEMORY, NULL));
mp->mount_dir = strdup(mnt->mnt_dir);
mp->mount_dir_len = strlen(mp->mount_dir);
- if(mount_point_load_fsinfo(handle, mp) < 0) {
- free(mp->mount_dir);
- free(mp);
- continue;
- }
mount_points = alpm_list_add(mount_points, mp);
}
@@ -132,11 +130,6 @@ static alpm_list_t *mount_point_list(alpm_handle_t *handle)
CALLOC(mp, 1, sizeof(alpm_mountpoint_t), RET_ERR(handle, ALPM_ERR_MEMORY, NULL));
mp->mount_dir = strdup(mnt->mnt_mountp);
mp->mount_dir_len = strlen(mp->mount_dir);
- if(mount_point_load_fsinfo(handle, mp) < 0) {
- free(mp->mount_dir);
- free(mp);
- continue;
- }
mount_points = alpm_list_add(mount_points, mp);
}
@@ -169,6 +162,9 @@ static alpm_list_t *mount_point_list(alpm_handle_t *handle)
mp->read_only = fsp->f_flags & MNT_RDONLY;
#endif
+ /* we don't support lazy loading on this platform */
+ mp->fsinfo_loaded = MOUNT_FSINFO_LOADED;
+
mount_points = alpm_list_add(mount_points, mp);
}
#endif
@@ -177,7 +173,7 @@ static alpm_list_t *mount_point_list(alpm_handle_t *handle)
mount_point_cmp);
for(ptr = mount_points; ptr != NULL; ptr = ptr->next) {
mp = ptr->data;
- _alpm_log(handle, ALPM_LOG_DEBUG, "mountpoint: %s\n", mp->mount_dir);
+ _alpm_log(handle, ALPM_LOG_DEBUG, "discovered mountpoint: %s\n", mp->mount_dir);
}
return mount_points;
}
@@ -245,6 +241,18 @@ static int calculate_removed_size(alpm_handle_t *handle,
continue;
}
+ /* don't check a mount that we know we can't stat */
+ if(mp && mp->fsinfo_loaded == MOUNT_FSINFO_FAIL) {
+ continue;
+ }
+
+ /* lazy load filesystem info */
+ if(mp->fsinfo_loaded == MOUNT_FSINFO_UNLOADED) {
+ if(mount_point_load_fsinfo(handle, mp) < 0) {
+ continue;
+ }
+ }
+
/* the addition of (divisor - 1) performs ceil() with integer division */
remove_size = (st.st_size + mp->fsp.f_bsize - 1) / mp->fsp.f_bsize;
mp->blocks_needed -= remove_size;
@@ -292,6 +300,18 @@ static int calculate_installed_size(alpm_handle_t *handle,
continue;
}
+ /* don't check a mount that we know we can't stat */
+ if(mp && mp->fsinfo_loaded == MOUNT_FSINFO_FAIL) {
+ continue;
+ }
+
+ /* lazy load filesystem info */
+ if(mp->fsinfo_loaded == MOUNT_FSINFO_UNLOADED) {
+ if(mount_point_load_fsinfo(handle, mp) < 0) {
+ continue;
+ }
+ }
+
/* the addition of (divisor - 1) performs ceil() with integer division */
install_size = (file->size + mp->fsp.f_bsize - 1) / mp->fsp.f_bsize;
mp->blocks_needed += install_size;
@@ -352,6 +372,13 @@ int _alpm_check_downloadspace(alpm_handle_t *handle, const char *cachedir,
goto finish;
}
+ if(cachedir_mp->fsinfo_loaded == MOUNT_FSINFO_UNLOADED) {
+ if(mount_point_load_fsinfo(handle, cachedir_mp)) {
+ error = 1;
+ goto finish;
+ }
+ }
+
/* there's no need to check for a R/O mounted filesystem here, as
* _alpm_filecache_setup will never give us a non-writable directory */
diff --git a/lib/libalpm/diskspace.h b/lib/libalpm/diskspace.h
index a54aa5e3..591d9337 100644
--- a/lib/libalpm/diskspace.h
+++ b/lib/libalpm/diskspace.h
@@ -37,6 +37,12 @@ enum mount_used_level {
USED_INSTALL = (1 << 1),
};
+enum mount_fsinfo {
+ MOUNT_FSINFO_UNLOADED = 0,
+ MOUNT_FSINFO_LOADED,
+ MOUNT_FSINFO_FAIL,
+};
+
typedef struct __alpm_mountpoint_t {
/* mount point information */
char *mount_dir;
@@ -46,6 +52,7 @@ typedef struct __alpm_mountpoint_t {
blkcnt_t max_blocks_needed;
enum mount_used_level used;
int read_only;
+ enum mount_fsinfo fsinfo_loaded;
FSSTATSTYPE fsp;
} alpm_mountpoint_t;