and handle the case where an attribute is converted from resident
to non-resident by a concurrent file write.
- Reorder some operations when converting an attribute from resident
to non-resident (fs/ntfs/attrib.c) so it is safe wrt concurrent
->readpage and ->writepage.
Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
dropping the read lock and taking the write lock we were not checking
whether someone else did not already do the work we wanted to do.
- Rename ntfs_find_vcn_nolock() to ntfs_attr_find_vcn_nolock().
- Tidy up some comments in fs/ntfs/runlist.c.
- Add LCN_ENOMEM and LCN_EIO definitions to fs/ntfs/runlist.h.
Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
checked and set in the ntfs inode as done for compressed files
and the compressed size needs to be used for vfs inode->i_blocks
instead of the allocated size, again, as done for compressed files.
Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
definition of ntfs_export_ops from fs/ntfs/super.c to namei.c.
Also, declare ntfs_export_ops in fs/ntfs/ntfs.h.
Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
mft record for resident attributes (fs/ntfs/inode.c).
- Small readability cleanup to use "a" instead of "ctx->attr"
everywhere (fs/ntfs/inode.c).
Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
warning in the do_div() call on sparc32. Thanks to Meelis Roos for the
report and analysis of the warning.
Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
helper ntfs_map_runlist_nolock() which is used by ntfs_map_runlist().
This allows us to map runlist fragments with the runlist lock already
held without having to drop and reacquire it around the call. Adapt
all callers.
- Change ntfs_find_vcn() to ntfs_find_vcn_nolock() which takes a locked
runlist. This allows us to find runlist elements with the runlist
lock already held without having to drop and reacquire it around the
call. Adapt all callers.
Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
enable bit which is set appropriately and a per inode sparse disable
bit which is preset on some system file inodes as appropriate.
- Enforce that sparse support is disabled on NTFS volumes pre 3.0.
Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
fs/ntfs/aops.c::ntfs_{prepare,commit}_write()() and re-enable it.
It should be safe now. (Famous last words...)
Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
value afterwards. Cache the initialized_size in the same way and
protect access to the two sizes using the size_lock.
- Minor optimization to fs/ntfs/super.c::ntfs_statfs() and its helpers.
Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
cached value everywhere. Cache the initialized_size in the same way
and protect the critical region where the two sizes are read using the
new size_lock of the ntfs inode.
- Add the new size_lock to the ntfs_inode structure (fs/ntfs/inode.h)
and initialize it (fs/ntfs/inode.c).
Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
