TheCloud/fuse-overlayfs
1
0
Fork 0
mirror of https://github.com/containers/fuse-overlayfs.git synced 2025-09-08 06:42:27 -04:00
Code Issues Packages Projects Releases Wiki Activity

main: remove unreferenced inodes on forget_multi

Browse Source 
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
This commit is contained in:
Giuseppe Scrivano 2020-10-06 17:27:59 +02:00
parent 6e2675593c
commit 228544e71d
No known key found for this signature in database
GPG Key ID: E4730F97F60286ED
1 changed files with 33 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
main.c
View File

@ -1178,6 +1178,37 @@ do_forget (struct ovl_data *lo, fuse_ino_t ino, uint64_t nlookup)
return true; return true;
} }
/* cleanup any inode that has 0 lookups. */
static void
cleanup_inodes (struct ovl_data *lo)
{
cleanup_free struct ovl_ino **to_cleanup = NULL;
size_t no_lookups = 0;
struct ovl_ino *it;
size_t i;
/* Also attempt to cleanup any inode that has 0 lookups. */
for (it = hash_get_first (lo->inodes); it; it = hash_get_next (lo->inodes, it))
{
if (it->lookups == 0)
no_lookups++;
}
if (no_lookups > 0)
{
to_cleanup = malloc (sizeof (*to_cleanup) * no_lookups);
if (! to_cleanup)
return;
for (i = 0, it = hash_get_first (lo->inodes); it; it = hash_get_next (lo->inodes, it))
{
if (it->lookups == 0)
to_cleanup[i++] = it;
}
for (i = 0; i < no_lookups; i++)
do_forget (lo, (fuse_ino_t) to_cleanup[i], 0);
}
}
static void static void
ovl_forget (fuse_req_t req, fuse_ino_t ino, uint64_t nlookup) ovl_forget (fuse_req_t req, fuse_ino_t ino, uint64_t nlookup)
{ {
@ -1205,6 +1236,8 @@ ovl_forget_multi (fuse_req_t req, size_t count, struct fuse_forget_data *forgets
for (i = 0; i < count; i++) for (i = 0; i < count; i++)
do_forget (lo, forgets[i].ino, forgets[i].nlookup); do_forget (lo, forgets[i].ino, forgets[i].nlookup);
cleanup_inodes (lo);
fuse_reply_none (req); fuse_reply_none (req);
} }