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| author | Linus Torvalds | 2020-01-29 11:45:09 -0800 |
|---|---|---|
| committer | Linus Torvalds | 2020-01-29 11:45:09 -0800 |
| commit | 5307040655d0b8d465a2f54d9c67be5b3a780bcd (patch) | |
| tree | c66ea3edf2b1061e0b11ac2978e06571d78b6dca /Documentation | |
| parent | 6aee4badd8126f3a2b6d31c5e2db2439d316374f (diff) | |
| parent | 587065dcac64e88132803cdb0a7f26bb4a79cf46 (diff) | |
Merge branch 'work.adfs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull adfs updates from Al Viro:
"adfs stuff for this cycle"
* 'work.adfs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (42 commits)
fs/adfs: bigdir: Fix an error code in adfs_fplus_read()
Documentation: update adfs filesystem documentation
fs/adfs: mostly divorse inode number from indirect disc address
fs/adfs: super: add support for E and E+ floppy image formats
fs/adfs: super: extract filesystem block probe
fs/adfs: dir: remove debug in adfs_dir_update()
fs/adfs: super: fix inode dropping
fs/adfs: bigdir: implement directory update support
fs/adfs: bigdir: calculate and validate directory checkbyte
fs/adfs: bigdir: directory validation strengthening
fs/adfs: bigdir: extract directory validation
fs/adfs: bigdir: factor out directory entry offset calculation
fs/adfs: newdir: split out directory commit from update
fs/adfs: newdir: clean up adfs_f_update()
fs/adfs: newdir: merge adfs_dir_read() into adfs_f_read()
fs/adfs: newdir: improve directory validation
fs/adfs: newdir: factor out directory format validation
fs/adfs: dir: use pointers to access directory head/tails
fs/adfs: dir: add more efficient iterate() per-format method
fs/adfs: dir: switch to iterate_shared method
...
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/filesystems/adfs.txt | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/Documentation/filesystems/adfs.txt b/Documentation/filesystems/adfs.txt index 5949766353f7..0baa8e8c1fc1 100644 --- a/Documentation/filesystems/adfs.txt +++ b/Documentation/filesystems/adfs.txt @@ -1,3 +1,27 @@ +Filesystems supported by ADFS +----------------------------- + +The ADFS module supports the following Filecore formats which have: + +- new maps +- new directories or big directories + +In terms of the named formats, this means we support: + +- E and E+, with or without boot block +- F and F+ + +We fully support reading files from these filesystems, and writing to +existing files within their existing allocation. Essentially, we do +not support changing any of the filesystem metadata. + +This is intended to support loopback mounted Linux native filesystems +on a RISC OS Filecore filesystem, but will allow the data within files +to be changed. + +If write support (ADFS_FS_RW) is configured, we allow rudimentary +directory updates, specifically updating the access mode and timestamp. + Mount options for ADFS ---------------------- |