diff options
| author | Richard Braun <rbraun@sceen.net> | 2013-05-03 19:56:50 +0200 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2013-09-16 01:22:20 +0200 |
| commit | 0e847864cef404f555387d7fcc97f7dbe769e1e9 (patch) | |
| tree | dbafbabcd1491b4840914d60358cf153beed9af8 /libdiskfs | |
| parent | b2e27fcee4cec98ffc39273ecfaa73aace9da2c3 (diff) | |
Handle notification on page eviction
If requested by the user, make libpager call pager_notify_evict when a page
is flushed out by the kernel. Based on work by Ognyan Kulev.
* console/pager.c (pager_notify_evict): New function.
(user_pager_create): Update call to pager_create.
* ext2fs/pager.c: (pager_notify_evict): New function.
(create_disk_pager): Update call to diskfs_start_disk_pager.
(diskfs_get_filemap): Update call to pager_create.
* fatfs/pager.c: (pager_notify_evict): New function.
(create_fat_pager): Update call to diskfs_start_disk_pager.
(diskfs_get_filemap): Update call to pager_create.
* isofs/pager.c: (pager_notify_evict): New function.
(create_disk_pager): Update call to diskfs_start_disk_pager.
(diskfs_get_filemap): Update call to pager_create.
* libdiskfs/disk-pager.c (diskfs_start_disk_pager): Update definition and call
to pager_create.
* libdiskfs/diskfs-pager.h (diskfs_start_disk_pager): Update declaration.
* libpager/data-request.c (_pager_seqnos_memory_object_data_request): Take
pager's `notify_on_evict' member into account when calling
memory_object_data_supply.
* libpager/data-return.c (_pager_do_write_request): Handle user notification
on page flush.
* libpager/pager-create.c (pager_create): Update definition and set pager's
`notify_on_evict' member.
* libpager/pager.h (pager_create): Update declaration.
(pager_notify_evict): New declaration.
* libpager/priv.h (struct pager): New `notify_on_evict' member.
* storeio/pager.c: (pager_notify_evict): New function.
(dev_get_memory_object): Update call to pager_create.
* tmpfs/pager-stubs.c (pager_notify_evict): New function.
* ufs/pager.c (pager_notify_evict): New function.
(create_disk_pager): Update call to diskfs_start_disk_pager.
(diskfs_get_filemap): Update call to pager_create.
Diffstat (limited to 'libdiskfs')
| -rw-r--r-- | libdiskfs/disk-pager.c | 6 | ||||
| -rw-r--r-- | libdiskfs/diskfs-pager.h | 3 |
2 files changed, 6 insertions, 3 deletions
diff --git a/libdiskfs/disk-pager.c b/libdiskfs/disk-pager.c index 5795a281..8fe8f806 100644 --- a/libdiskfs/disk-pager.c +++ b/libdiskfs/disk-pager.c @@ -49,7 +49,8 @@ service_paging_requests (void *arg) void diskfs_start_disk_pager (struct user_pager_info *upi, - struct port_bucket *pager_bucket, int may_cache, + struct port_bucket *pager_bucket, + int may_cache, int notify_on_evict, size_t size, void **image) { pthread_t thread; @@ -68,7 +69,8 @@ diskfs_start_disk_pager (struct user_pager_info *upi, /* Create the pager. */ diskfs_disk_pager = pager_create (upi, pager_bucket, - may_cache, MEMORY_OBJECT_COPY_NONE); + may_cache, MEMORY_OBJECT_COPY_NONE, + notify_on_evict); assert (diskfs_disk_pager); /* Get a port to the disk pager. */ diff --git a/libdiskfs/diskfs-pager.h b/libdiskfs/diskfs-pager.h index bd0a050c..a253069b 100644 --- a/libdiskfs/diskfs-pager.h +++ b/libdiskfs/diskfs-pager.h @@ -35,7 +35,8 @@ extern __thread struct disk_image_user *diskfs_exception_diu; mapped is returned in IMAGE. INFO, PAGER_BUCKET, & MAY_CACHE are passed to `pager_create'. */ extern void diskfs_start_disk_pager (struct user_pager_info *info, - struct port_bucket *pager_bucket, int may_cache, + struct port_bucket *pager_bucket, + int may_cache, int notify_on_evict, size_t size, void **image); extern struct pager *diskfs_disk_pager; |