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33f00a7efb14fd08e5f6c5cc514eac7b8ccd6da3
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13 Commits

Author SHA1 Message Date
Undefine
33f00a7efb Kernel/FATFS: Cache the cluster list and don't cache the InodeMetadata 
Caching the cluster list allows us to fill the two fields in the
InodeMetadata. While at it, don't cache the metadata as when we
have write support having to keep both InodeMetadata and FATEntry
correct is going to get very annoying.
 2024-04-21 15:34:33 +02:00
Undefine
d4badfac72 Kernel/FATFS: Store cluster list instead of block list 
Once we have write support, managing clusters is going to be
way easier than managing blocks.
 2024-04-21 15:34:33 +02:00
Undefine
eb2721d650 Kernel/FATFS: Pass the FATEntry location to FATInode constructor 
This is going to be necessary to flush the metadata later on.
 2024-04-21 15:34:33 +02:00
Undefine
1350c555f6 Kernel/FATFS: Factor out the FAT reading to a function 
Move the FAT reading code to a fat_read function in FATFS and move the
required functions to FATFS too.
 2024-04-21 15:34:33 +02:00
Taj Morton
2995ee5858 Kernel/FileSystem/FATFS: Support FAT12 file system clusters 2024-01-12 15:54:46 -07:00
Taj Morton
1f70a728f0 Kernel/FileSystem/FATFS: Support FAT16 file system clusters 2024-01-12 15:54:46 -07:00
Liav A
7c0540a229 Everywhere: Move global Kernel pattern code to Kernel/Library directory 
This has KString, KBuffer, DoubleBuffer, KBufferBuilder, IOWindow,
UserOrKernelBuffer and ScopedCritical classes being moved to the
Kernel/Library subdirectory.

Also, move the panic and assertions handling code to that directory.
 2023-06-04 21:32:34 +02:00
Andreas Kling
e6fc7b3ff7 Kernel: Switch LockRefPtr<Inode> to RefPtr<Inode> 
The main place where this is a little iffy is in RAMFS where inodes
have a LockWeakPtr to their parent inode. I've left that as a
LockWeakPtr for now.
 2023-03-09 21:54:59 +01:00
Ollrogge
361df6eff8 AK: Add conversion functions for packed DOS time format 
This also adjusts the FATFS code to use the new functions and removes
the now redundant old conversion functions.
 2023-02-12 13:13:15 -07:00
Taj Morton
31eeea08ba Kernel/FileSystem: Fix handling of FAT names that don't fill an entry 
* Fix bug where last character of a filename or extension would be
   truncated (HELLO.TXT -> HELL.TX).
 * Fix bug where additional NULL characters would be added to long
   filenames that did not completely fill one of the Long Filename Entry
   character fields.
 2023-01-04 09:02:13 +00:00
sin-ack
3b03077abb Kernel: Update the ".." inode for directories after a rename 
Because the ".." entry in a directory is a separate inode, if a
directory is renamed to a new location, then we should update this entry
the point to the new parent directory as well.

Co-authored-by: Liav A <liavalb@gmail.com>
 2022-11-25 17:33:05 +01:00
Andreas Kling
10fa72d451 Kernel: Use AK::Time for InodeMetadata timestamps instead of time_t 
Before this change, we were truncating the nanosecond part of file
timestamps in many different places.
 2022-11-24 16:56:27 +01:00
Liav A
e882b2ed05 Kernel: Split the FATFileSystem.{cpp,h} files into smaller components 2022-11-08 02:54:48 -07:00