- 05 1月, 2019 1 次提交
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由 Carmeli Tamir 提交于
This patch introduces 3 new inline functions - is_fat12, is_fat16 and is_fat32, and replaces every occurrence in the code in which the FS variant (whether this is FAT12, FAT16 or FAT32) was previously checked using msdos_sb_info->fat_bits. Link: http://lkml.kernel.org/r/1544990640-11604-4-git-send-email-carmeli.tamir@gmail.comSigned-off-by: NCarmeli Tamir <carmeli.tamir@gmail.com> Acked-by: NOGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Reviewed-by: NSergey Senozhatsky <sergey.senozhatsky@gmail.com> Cc: Johannes Thumshirn <jthumshirn@suse.de> Cc: Bart Van Assche <bvanassche@acm.org> Cc: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 31 10月, 2018 2 次提交
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由 Frank Sorenson 提交于
Convert the inode timestamp updates to use fat_truncate_time. Link: http://lkml.kernel.org/r/2663d3083c4dd62f00b64612c8eaf5542bb05a4c.1538363961.git.sorenson@redhat.comSigned-off-by: NFrank Sorenson <sorenson@redhat.com> Acked-by: NOGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Mihir Mehta 提交于
The file namei.c seems to have been renamed to namei_msdos.c, so I decided to update the comment with the correct name, and expand it a bit to tell the reader what to look for. Link: http://lkml.kernel.org/r/20180928194947.23932-1-mihir@cs.utexas.eduSigned-off-by: NMihir Mehta <mihir@cs.utexas.edu> Acked-by: NOGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 23 8月, 2018 1 次提交
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由 Arnd Bergmann 提交于
Now that we pass down 64-bit timestamps from VFS, we just need to convert that correctly into on-disk timestamps. To make that work correctly, this changes the last use of time_to_tm() in the kernel to time64_to_tm(), which also lets use remove that deprecated interfaces. Similarly, the time_t use in fat_time_fat2unix() truncates the timestamp on the way in, which can be avoided by using types that are wide enough to hold the intermediate values during the conversion. [hirofumi@mail.parknet.co.jp: remove useless temporary variable, needless long long] Link: http://lkml.kernel.org/r/20180619153646.3637529-1-arnd@arndb.deSigned-off-by: NArnd Bergmann <arnd@arndb.de> Acked-by: NOGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Cc: Jeff Layton <jlayton@redhat.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 29 1月, 2018 1 次提交
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由 Jeff Layton 提交于
Signed-off-by: NJeff Layton <jlayton@redhat.com>
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- 18 11月, 2017 1 次提交
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由 Colin Ian King 提交于
The variable slots is being assigned a value of zero that is never read, slots is being updated again a few lines later. Remove this redundant assignment. Cleans clang warning: Value stored to 'slots' is never read Link: http://lkml.kernel.org/r/20171017140258.22536-1-colin.king@canonical.comSigned-off-by: NColin Ian King <colin.king@canonical.com> Acked-by: NOGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 28 9月, 2016 1 次提交
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由 Deepa Dinamani 提交于
CURRENT_TIME_SEC is not y2038 safe. current_time() will be transitioned to use 64 bit time along with vfs in a separate patch. There is no plan to transistion CURRENT_TIME_SEC to use y2038 safe time interfaces. current_time() will also be extended to use superblock range checking parameters when range checking is introduced. This works because alloc_super() fills in the the s_time_gran in super block to NSEC_PER_SEC. Signed-off-by: NDeepa Dinamani <deepa.kernel@gmail.com> Acked-by: NJan Kara <jack@suse.cz> Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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- 09 5月, 2016 1 次提交
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由 Al Viro 提交于
... and make that weird ioctl lock directory only shared. Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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- 23 1月, 2016 1 次提交
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由 Al Viro 提交于
parallel to mutex_{lock,unlock,trylock,is_locked,lock_nested}, inode_foo(inode) being mutex_foo(&inode->i_mutex). Please, use those for access to ->i_mutex; over the coming cycle ->i_mutex will become rwsem, with ->lookup() done with it held only shared. Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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- 21 1月, 2016 1 次提交
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由 Namjae Jeon 提交于
Make the fibmap call return the proper physical block number for any offset request in the fallocated range. Signed-off-by: NNamjae Jeon <namjae.jeon@samsung.com> Signed-off-by: NAmit Sahrawat <a.sahrawat@samsung.com> Cc: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 21 11月, 2015 1 次提交
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由 OGAWA Hirofumi 提交于
For the root directory, . and .. are faked (using dir_emit_dots()) and ctx->pos is reset from 2 to 0. A corrupted root directory could cause fat_get_entry() to fail, but ->iterate() (fat_readdir()) reports progress to the VFS (with ctx->pos rewound to 0), so any following calls to ->iterate() continue to return the same entries again and again. The result is that userspace will never see the end of the directory, causing e.g. 'ls' to hang in a getdents() loop. [hirofumi@mail.parknet.co.jp: cleanup and make sure to correct fake_offset] Reported-by: NVegard Nossum <vegard.nossum@oracle.com> Tested-by: NVegard Nossum <vegard.nossum@oracle.com> Signed-off-by: NRichard Weinberger <richard.weinberger@gmail.com> Signed-off-by: NOGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Cc: <stable@vger.kernel.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 17 4月, 2015 1 次提交
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由 Alexander Kuleshov 提交于
'fat.h' includes <linux/buffer_head.h> which includes <linux/fs.h> which includes all the header files required for all *.c files fat filesystem. [akpm@linux-foundation.org: fs/fat/iode.c needs seq_file.h] [sfr@canb.auug.org.au: put one actually necessary include file back] Signed-off-by: NAlexander Kuleshov <kuleshovmail@gmail.com> Acked-by: NOGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: NStephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 01 11月, 2014 1 次提交
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由 Miklos Szeredi 提交于
Signed-off-by: NMiklos Szeredi <mszeredi@suse.cz> Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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- 29 6月, 2013 1 次提交
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由 Al Viro 提交于
... pox upon the idiotic ioctls; life would be much easier without those. Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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- 30 4月, 2013 1 次提交
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由 Namjae Jeon 提交于
This patch enables rebuilding of directory inodes which are not present in the cache.This is done by traversing the disk clusters to find the directory entry of the parent directory and using its i_pos to build the inode. The traversal is done by fat_scan_logstart() which is similar to fat_scan() but matches i_pos values instead of names.fat_scan_logstart() needs an inode parameter to work, for which a dummy inode is created by it's caller fat_rebuild_parent(). This dummy inode is destroyed after the traversal completes. All this is done only if the nostale_ro nfs mount option is specified. Signed-off-by: NNamjae Jeon <namjae.jeon@samsung.com> Signed-off-by: NRavishankar N <ravi.n1@samsung.com> Signed-off-by: NAmit Sahrawat <a.sahrawat@samsung.com> Acked-by: NOGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 23 2月, 2013 1 次提交
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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- 21 12月, 2012 1 次提交
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由 Ravishankar N 提交于
fat_search_long() returns 0 on success, -ENOENT/ENOMEM on failure. Change the function comment accordingly. While at it, fix some trivial typos. Signed-off-by: NRavishankar N <cyberax82@gmail.com> Signed-off-by: NNamjae Jeon <linkinjeon@gmail.com> Acked-by: NOGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 10 10月, 2012 1 次提交
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由 Marco Stornelli 提交于
Removed lock/unlock super. Added a new private s_lock mutex. Signed-off-by: NMarco Stornelli <marco.stornelli@gmail.com> Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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- 06 10月, 2012 4 次提交
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由 Cruz Julian Bishop 提交于
1: Import linux/uaccess.h instead of asm.uaccess.h 2: Stop any lines going over 80 characters 3: Stopped setting any variables in if statements 4: Stopped splitting quoted strings 5: Removed unneeded parentheses Signed-off-by: NCruz Julian Bishop <cruzjbishop@gmail.com> Acked-by: NOGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Cruz Julian Bishop 提交于
Simply remove the spacing between function definitions and EXPORT_SYMBOL_GPL calls, which were previously generating warnings. Signed-off-by: NCruz Julian Bishop <cruzjbishop@gmail.com> Acked-by: NOGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Steven J. Magnani 提交于
Maintain an index of directory inodes by starting cluster, so that fat_get_parent() can return the proper cached inode rather than inventing one that cannot be traced back to the filesystem root. Add a new msdos/vfat binary mount option "nfs" so that FAT filesystems that are _not_ exported via NFS are not saddled with maintenance of an index they will never use. Finally, simplify NFS file handle generation and lookups. An ext2-congruent implementation is adequate for FAT needs. Signed-off-by: NSteven J. Magnani <steve@digidescorp.com> Acked-by: NOGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Namjae Jeon 提交于
Use accessor function for msdos_dir_entry 'start' Signed-off-by: NNamjae Jeon <linkinjeon@gmail.com> Signed-off-by: NAmit Sahrawat <amit.sahrawat83@gmail.com> Acked-by: NOGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 31 7月, 2012 1 次提交
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由 Steven J. Magnani 提交于
Nearly identical shortname parsing is performed in fat_search_long() and __fat_readdir(). Extract this code into a function that may be called by both. Signed-off-by: NSteven J. Magnani <steve@digidescorp.com> Acked-by: NOGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 01 6月, 2012 1 次提交
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由 Namjae Jeon 提交于
If an application tries to lookup (opendir/readdir/stat) 5000 files on a fatfs USB device and the device is unplugged, many message occur, shown below. This makes the application slow. So use the new fat_msg_ratelimit() decrease the messaging rate. #> ./file_lookup_testcase ./files_directory/ usb 2-1.4: USB disconnect, device number 4 FAT-fs (sda1): FAT read failed (blocknr 2631) FAT-fs (sda1): Directory bread(block 396816) failed FAT-fs (sda1): Directory bread(block 396817) failed FAT-fs (sda1): Directory bread(block 396818) failed FAT-fs (sda1): Directory bread(block 396819) failed FAT-fs (sda1): Directory bread(block 396820) failed FAT-fs (sda1): Directory bread(block 396821) failed FAT-fs (sda1): Directory bread(block 396822) failed FAT-fs (sda1): Directory bread(block 396823) failed FAT-fs (sda1): Directory bread(block 406824) failed FAT-fs (sda1): Directory bread(block 406825) failed FAT-fs (sda1): Directory bread(block 406826) failed FAT-fs (sda1): Directory bread(block 406827) failed FAT-fs (sda1): Directory bread(block 406828) failed FAT-fs (sda1): Directory bread(block 406829) failed FAT-fs (sda1): Directory bread(block 406830) failed FAT-fs (sda1): Directory bread(block 406831) failed FAT-fs (sda1): Directory bread(block 417696) failed FAT-fs (sda1): Directory bread(block 417697) failed FAT-fs (sda1): Directory bread(block 417698) failed FAT-fs (sda1): Directory bread(block 417699) failed FAT-fs (sda1): Directory bread(block 417700) failed FAT-fs (sda1): Directory bread(block 417701) failed FAT-fs (sda1): Directory bread(block 417702) failed FAT-fs (sda1): Directory bread(block 417703) failed FAT-fs (sda1): FAT read failed (blocknr 2631) FAT-fs (sda1): Directory bread(block 396816) failed FAT-fs (sda1): Directory bread(block 396817) failed FAT-fs (sda1): Directory bread(block 396818) failed FAT-fs (sda1): Directory bread(block 396819) failed FAT-fs (sda1): Directory bread(block 396820) failed FAT-fs (sda1): Directory bread(block 396821) failed Signed-off-by: NNamjae Jeon <linkinjeon@gmail.com> Signed-off-by: NAmit Sahrawat <amit.sahrawat83@gmail.com> Acked-by: NOGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 01 11月, 2011 1 次提交
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由 Andy Shevchenko 提交于
There is no functional change. Signed-off-by: NAndy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: NOGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 17 8月, 2011 1 次提交
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由 Jonas Aberg 提交于
This fixes a compile warning (unititialized variable) in the fat filesystem code. Signed-off-by: NJonas Aberg <jonas.aberg@stericsson.com> Signed-off-by: NLee Jones <lee.jones@linaro.org> Signed-off-by: NLinus Walleij <linus.walleij@linaro.org> Signed-off-by: NOGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
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- 12 4月, 2011 1 次提交
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由 Alexey Fisher 提交于
Replace all printk with fat_msg() Signed-off-by: NAlexey Fisher <bug-track@fisher-privat.net> Signed-off-by: NOGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
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- 17 5月, 2010 1 次提交
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由 Arnd Bergmann 提交于
FAT does not require the BKL in its ioctl function, which is already serialized through a mutex. Since we're already touching the ioctl code, also fix the missing handling of FAT_IOCTL_GET_ATTRIBUTES in the compat code. Signed-off-by: NArnd Bergmann <arnd@arndb.de> Signed-off-by: NOGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
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- 16 3月, 2010 1 次提交
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由 Andy Shevchenko 提交于
Signed-off-by: NAndy Shevchenko <ext-andriy.shevchenko@nokia.com> Signed-off-by: NOGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
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- 13 7月, 2009 1 次提交
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由 Alexey Dobriyan 提交于
* Remove smp_lock.h from files which don't need it (including some headers!) * Add smp_lock.h to files which do need it * Make smp_lock.h include conditional in hardirq.h It's needed only for one kernel_locked() usage which is under CONFIG_PREEMPT This will make hardirq.h inclusion cheaper for every PREEMPT=n config (which includes allmodconfig/allyesconfig, BTW) Signed-off-by: NAlexey Dobriyan <adobriyan@gmail.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 16 6月, 2009 1 次提交
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由 Alan Stern 提交于
This patch (as1239) updates the kernel's treatment of Unicode. The character-set conversion routines are well behind the current state of the Unicode specification: They don't recognize the existence of code points beyond plane 0 or of surrogate pairs in the UTF-16 encoding. The old wchar_t 16-bit type is retained because it's still used in lots of places. This shouldn't cause any new problems; if a conversion now results in an invalid 16-bit code then before it must have yielded an undefined code. Difficult-to-read names like "utf_mbstowcs" are replaced with more transparent names like "utf8s_to_utf16s" and the ordering of the parameters is rationalized (buffer lengths come immediate after the pointers they refer to, and the inputs precede the outputs). Fortunately the low-level conversion routines are used in only a few places; the interfaces to the higher-level uni2char and char2uni methods have been left unchanged. Signed-off-by: NAlan Stern <stern@rowland.harvard.edu> Acked-by: NClemens Ladisch <clemens@ladisch.de> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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- 12 6月, 2009 1 次提交
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由 Al Viro 提交于
* mark directory data blocks as assoc. metadata * add new inode to deal with FAT, mark FAT blocks as assoc. metadata of that * now ->fsync() is trivial both for files and directories Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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- 04 6月, 2009 1 次提交
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由 Denis Karpov 提交于
On severe errors FAT remounts itself in read-only mode. Allow to specify FAT fs desired behavior through 'errors' mount option: panic, continue or remount read-only. `mount -t [fat|vfat] -o errors=[panic,remount-ro,continue] \ <bdev> <mount point>` This is analog to ext2 fs 'errors' mount option. Signed-off-by: NDenis Karpov <ext-denis.2.karpov@nokia.com> Signed-off-by: NOGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
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- 12 11月, 2008 1 次提交
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由 OGAWA Hirofumi 提交于
Signed-off-by: NOGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
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- 07 11月, 2008 6 次提交
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由 OGAWA Hirofumi 提交于
blkcnt_t type depends on CONFIG_LSF. Use unsigned long long always for printk(). But lazy to type it, so add "llu" and use it. Signed-off-by: NOGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 OGAWA Hirofumi 提交于
mmu_private is 64bits value, hence it's not atomic to update. So, the access rule for mmu_private is we must hold ->i_mutex. But, fat_get_block() path doesn't follow the rule on non-allocation path. This fixes by using i_size instead if non-allocation path. Signed-off-by: NOGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Darren Jenkins 提交于
Coverity CID 2332 & 2333 RESOURCE_LEAK In fat_search_long() if fat_parse_long() returns a -ve value we return without first freeing unicode. This patch free's them on this error path. The above was false positive on current tree, but this change is more clean, so apply as cleanup. [hirofumi@mail.parknet.co.jp: fix coding style] Signed-off-by: NDarren Jenkins <darrenrjenkins@gmail.com> Signed-off-by: NOGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 OGAWA Hirofumi 提交于
Since fat_dir_ioctl() was already fixed (i.e. called under ->i_mutex), and __fat_readdir() doesn't take BKL anymore. So, BKL for ->llseek() is pointless, and we have to use generic_file_llseek(). Signed-off-by: NOGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 OGAWA Hirofumi 提交于
This cleans date_dos2unix()/fat_date_unix2dos() up. New code should be much more readable. And this fixes those old functions. Those doesn't handle 2100 correctly. 2100 isn't leap year, but old one handles it as leap year. Also, with this, centi sec is handled and is fixed. Signed-off-by: NOGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 OGAWA Hirofumi 提交于
This splits __KERNEL__ stuff in include/msdos_fs.h into fs/fat/fat.h. Signed-off-by: NOGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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