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2008-04-28FAT_VALID_MEDIA(): remove pointless testAndrew Morton1-1/+5
The on-disk media specification field in FAT is only 8-bits, so testing for <=0xff is pointless, and can generate a "comparison is always true due to limited range of data type" warning. While we're there, convert FAT_VALID_MEDIA() into a C function - the present implementation is buggy: it generates either one or two references to its argument. Cc: Frank Seidel <[email protected]> Acked-by: OGAWA Hirofumi <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2008-04-28fat: Update free_clusters even if it is untrustedOGAWA Hirofumi1-0/+1
Currently, free_clusters is not updated until it is trusted, because Windows doesn't update it correctly. But if user is using FAT driver of Linux, it updates free_clusters correctly. Instead, this updates it even if it's untrusted, so if free_clustes is correct, now keep correct value. Signed-off-by: OGAWA Hirofumi <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2008-04-28fat: Add allow_utime optionOGAWA Hirofumi1-0/+1
Normally utime(2) checks current process is owner of the file, or it has CAP_FOWNER capability. But FAT filesystem doesn't have uid/gid as on disk info, so normal check is too unflexible. With this option you can relax it. Signed-off-by: OGAWA Hirofumi <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2008-04-28fat: fat_notify_change() and check_mode() cleanupOGAWA Hirofumi1-1/+1
- Rename fat_notify_change() to fat_setattr() - check_mode() cleanup - Change layout of code Signed-off-by: OGAWA Hirofumi <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2007-07-16fat: gcc 4.3 warning fixOGAWA Hirofumi1-1/+1
This patch fixes the following warnings. fs/fat/dir.c: In function 'fat_parse_long': include/linux/msdos_fs.h:294: warning: array subscript is above array bounds include/linux/msdos_fs.h:295: warning: array subscript is above array bounds include/linux/msdos_fs.h:295: warning: array subscript is above array bounds The ->name is defined as "name[8], ext[3]", but fat_checksum() uses those as name[11]. There is no actual problem, but it's not a good manner. Signed-off-by: OGAWA Hirofumi <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2007-05-08fat: don't use free_clusters for fat32OGAWA Hirofumi1-1/+2
It seems that the recent Windows changed specification, and it's undocumented. Windows doesn't update ->free_clusters correctly. This patch doesn't use ->free_clusters by default. (instead, add "usefree" for forcing to use it) Signed-off-by: OGAWA Hirofumi <[email protected]> Cc: Juergen Beisert <[email protected]> Cc: Andreas Schwab <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2007-02-12[PATCH] mark struct inode_operations const 3Arjan van de Ven1-3/+3
Many struct inode_operations in the kernel can be "const". Marking them const moves these to the .rodata section, which avoids false sharing with potential dirty data. In addition it'll catch accidental writes at compile time to these shared resources. Signed-off-by: Arjan van de Ven <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2006-11-16[PATCH] fat: add fat_getattr()OGAWA Hirofumi1-0/+2
This adds fat_getattr() for setting stat->blksize. (FAT uses the size of cluster for proper I/O) Signed-off-by: OGAWA Hirofumi <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2006-09-29[PATCH] add -o flush for fatChris Mason1-0/+3
Fat is commonly used on removable media. Mounting with -o flush tells the FS to write things to disk as quickly as possible. It is like -o sync, but much faster (and not as safe). Signed-off-by: Chris Mason <[email protected]> Cc: OGAWA Hirofumi <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2006-09-24Move several *_SUPER_MAGIC symbols to include/linux/magic.h.Jeff Garzik1-2/+2
Signed-off-by: Jeff Garzik <[email protected]>
2006-03-28[PATCH] Make most file operations structs in fs/ constArjan van de Ven1-2/+2
This is a conversion to make the various file_operations structs in fs/ const. Basically a regexp job, with a few manual fixups The goal is both to increase correctness (harder to accidentally write to shared datastructures) and reducing the false sharing of cachelines with things that get dirty in .data (while .rodata is nicely read only and thus cache clean) Signed-off-by: Arjan van de Ven <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2006-03-28[PATCH] fs/fat/: proper prototypes for two functionsAdrian Bunk1-0/+3
Add proper prototypes for fat_cache_init() and fat_cache_destroy() in msdos_fs.h. Signed-off-by: Adrian Bunk <[email protected]> Acked-by: OGAWA Hirofumi <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2006-03-23[PATCH] fat_lock is used as a mutex, convert it to using the new mutex primitiveArjan van de Ven1-1/+2
The fat code uses the fat_lock always in a mutex way (taking and releasing the lock in the same function), the patch below converts it into the new mutex primitive. Please consider this patch for the code. Signed-off-by: Arjan van de Ven <[email protected]> Acked-by: OGAWA Hirofumi <[email protected]> Cc: Ingo Molnar <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2006-03-22It's UTF-8Alexey Dobriyan1-1/+1
Fix some comments to "UTF-8". Signed-off-by: Alexey Dobriyan <[email protected]> Signed-off-by: Adrian Bunk <[email protected]>
2006-01-08[PATCH] fat: support ->direct_IO()OGAWA Hirofumi1-1/+2
This patch add to support of ->direct_IO() for mostly read. The user of this seems to want to use for streaming read. So, current direct I/O has limitation, it can only overwrite. (For write operation, mainly we need to handle the hole etc..) Signed-off-by: OGAWA Hirofumi <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2005-10-30[PATCH] fat: cleanup and optimization of checksumOGAWA Hirofumi1-0/+11
Signed-off-by: OGAWA Hirofumi <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2005-04-16Linux-2.6.12-rc2Linus Torvalds1-0/+412
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!
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