[SCM] Hurd branch, master, updated. v0.5-247-g261d957

[Justus Winter]

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- Log -----------------------------------------------------------------
commit 261d957ebe4cf16aed76eed24b5bfd32f1f5a79a
Author: Justus Winter <address@hidden>
Date:   Wed Apr 30 01:10:05 2014 +0200

    fatfs: use two distinct pager buckets for the disk and file pager
    
    fatfs has two kinds of pagers.  One for the files, one for the disk.
    Previously, both were in the same port bucket.
    
    If a request for a file pager arrives, it most likely touches some
    metadata (like the superblock).  This is in turn backed by the disk
    pager, so another request is generated for the disk pager.
    
    Seperate all pagers clearly by using two port buckets.  This will
    enable us to use a single thread per port bucket in the future.
    
    * fatfs/pager.c (pager_bucket): Rename to...
    (disk_pager_bucket): ... this to make the change explicit at every
    occurrence.
    (file_pager_bucket): New variable.
    (service_paging_requests): New function.
    (create_fat_pager): Also create the file pager.
    (diskfs_get_filemap): Handout pagers from the file_pager_bucket.
    (diskfs_shutdown_pager): This is only concerned with the file pager.
    Simplify code accordingly.
    (diskfs_sync_everything): Likewise.
    (diskfs_pager_users): Likewise.
    (diskfs_max_user_pager_prot): Likewise.
    (disable_caching): Iterate over both buckets.
    (enable_caching): Likewise.

commit 3ad900b84497a2e619c30f76670e4757e8765f3e
Author: Justus Winter <address@hidden>
Date:   Sun May 4 12:14:58 2014 +0200

    libports: unlock _ports_lock on malloc failure
    
    * libports/bucket-iterate.c (_ports_bucket_class_iterate): Unlock
    _ports_lock on malloc failure.

-----------------------------------------------------------------------

Summary of changes:
 fatfs/pager.c             |   87 ++++++++++++++++++++++++++++++++-------------
 libports/bucket-iterate.c |    5 ++-
 2 files changed, 66 insertions(+), 26 deletions(-)


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