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author | Anton Altaparmakov <aia21@cantab.net> | 2005-10-04 15:39:02 +0100 |
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committer | Anton Altaparmakov <aia21@cantab.net> | 2005-10-04 15:39:02 +0100 |
commit | dd072330d1a60be11a5c284fa1e645350750a4fc (patch) | |
tree | d0282b4667e3fcedc893802bd54c90c9e12b2dc7 /fs/ntfs/ChangeLog | |
parent | 2d86829b846d1447a6ab5af4060fc9f301521317 (diff) | |
download | op-kernel-dev-dd072330d1a60be11a5c284fa1e645350750a4fc.zip op-kernel-dev-dd072330d1a60be11a5c284fa1e645350750a4fc.tar.gz |
NTFS: Implement fs/ntfs/inode.[hc]::ntfs_truncate(). It only supports
uncompressed and unencrypted files.
Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
Diffstat (limited to 'fs/ntfs/ChangeLog')
-rw-r--r-- | fs/ntfs/ChangeLog | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/fs/ntfs/ChangeLog b/fs/ntfs/ChangeLog index 6c5bdfb..70ad4be 100644 --- a/fs/ntfs/ChangeLog +++ b/fs/ntfs/ChangeLog @@ -3,16 +3,14 @@ ToDo/Notes: - In between ntfs_prepare/commit_write, need exclusion between simultaneous file extensions. This is given to us by holding i_sem on the inode. The only places in the kernel when a file is resized - are prepare/commit write and truncate for both of which i_sem is - held. Just have to be careful in readpage/writepage and all other - helpers not running under i_sem that we play nice... - Also need to be careful with initialized_size extention in - ntfs_prepare_write. Basically, just be _very_ careful in this code... - UPDATE: The only things that need to be checked are read/writepage - which do not hold i_sem. Note writepage cannot change i_size but it - needs to cope with a concurrent i_size change, just like readpage. - Also both need to cope with concurrent changes to the other sizes, - i.e. initialized/allocated/compressed size, as well. + are prepare/commit write and ntfs_truncate() for both of which i_sem + is held. Just have to be careful in read-/writepage and other helpers + not running under i_sem that we play nice... Also need to be careful + with initialized_size extention in ntfs_prepare_write and writepage. + UPDATE: The only things that need to be checked are + prepare/commit_write as well as the compressed write and the other + attribute resize/write cases like index attributes, etc. For now + none of these are implemented so are safe. - Implement mft.c::sync_mft_mirror_umount(). We currently will just leave the volume dirty on umount if the final iput(vol->mft_ino) causes a write of any mirrored mft records due to the mft mirror @@ -50,6 +48,8 @@ ToDo/Notes: - Add fs/ntfs/attrib.[hc]::ntfs_attr_extend_allocation(), a function to extend the allocation of an attributes. Optionally, the data size, but not the initialized size can be extended, too. + - Implement fs/ntfs/inode.[hc]::ntfs_truncate(). It only supports + uncompressed and unencrypted files. 2.1.24 - Lots of bug fixes and support more clean journal states. |