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* ubifs: restore symlink supportRenaud Barbier2017-01-091-29/+0
| | | | | | | | | | | In commit a63059d7 of the latest u-boot port, the function that returns the inode number also resolves symlink. This prevents the readlink entry point from doing its job and breaks the user command readlink and the display of symlink with the ls command. Remove the code following the link to restore original functionality. Signed-off-by: Renaud Barbier <renaud.barbier@abaco.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* ubifs: check return pointer properlyLucas Stach2016-07-071-4/+4
| | | | | | | | ubifs_iget() returns error codes encoded in the pointer, so the NULL check will never be true. Signed-off-by: Lucas Stach <dev@lynxeye.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* Merge branch 'for-next/misc'Sascha Hauer2016-05-092-2/+2
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| * whole tree: remove trailing whitespacesDu Huanpeng2016-04-212-2/+2
| | | | | | | | | | Signed-off-by: Du Huanpeng <u74147@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | string: Fix (v)asprintf prototypesSascha Hauer2016-04-151-2/+2
| | | | | | | | | | | | | | | | | | | | Our asprintf and vasprintf have different prototypes than the glibc functions. This causes trouble when we want to share barebox code with userspace code. Change the prototypes for (v)asprintf to match the glibc prototypes. Since the current (v)asprintf are convenient to use change the existing functions to b(v)asprintf. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | include: move crc specific stuff to crc.hSascha Hauer2016-04-151-0/+1
|/ | | | | | | We have a crc.h, so move our crc function prototypes there to further cleanup common.h. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* ubifs: update implementation from u-boot v2016.03Alexander Stein2016-04-0824-1957/+16743
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This updated code supports recovering from unclean unmounts when write buffer size is larger than 8. Linux uses takes information into consideration when checking for writes. The following list shows the changes for each file done compared to u-boot v2016.03 code. Makefile * Add gc.o, do not include header as in u-boot budget.c: * Replace __UBOOT__ with __BAREBOX__ debug.c: * Replace __UBOOT__ with __BAREBOX__ * Remove #include <linux/compat.h> * Replace current->pid with 0 debug.h * Replace __UBOOT__ with __BAREBOX__ * Add "0 &&" to ubifs_assert condition check U-Boot essentially disabled pr_crit output and dump_stack() is defined to do { } while (0), so ubifs_assert does nothing despite condition. gc.c: * Replace __UBOOT__ with __BAREBOX__ io.c: * Replace __UBOOT__ with __BAREBOX__ * Remove #include <linux/compat.h> key.h: * No changes log.c: * No changes lprops.c: * Replace __UBOOT__ with __BAREBOX__ lpt.c * Replace __UBOOT__ with __BAREBOX__ * Remove #include <linux/compat.h> * Remove #include <ubi_uboot.h> lpt_commit.c * Replace __UBOOT__ with __BAREBOX__ * Remove #include <linux/compat.h> master.c * Replace __UBOOT__ with __BAREBOX__ * Remove #include <linux/compat.h> * Remove #include <ubi_uboot.h> misc.h * Replace __UBOOT__ with __BAREBOX__ * Add #ifndef __BAREBOX__ around unneeded ubifs_current_time orphan.c * No changes recovery.c * Replace __UBOOT__ with __BAREBOX__ replay.c * Replace __UBOOT__ with __BAREBOX__ * Remove #include <linux/compat.h> sb.c * Replace __UBOOT__ with __BAREBOX__ * Remove #include <linux/compat.h> * Remove #include <ubi_uboot.h> * rp_uid and rp_gid are still uid_t, not kuid_t, so remove .val scan.c * Replace __UBOOT__ with __BAREBOX__ super.c: * Replaced current->pid with 0 * Replaced __UBOOT__ with __BAREBOX__ * Removed #include <ubi_uboot.h> * Removed #include <memalign.h> * Added #include <init.h> * Replaced malloc_cache_aligned with kzalloc * Replaced I_LOCK with I_SYNC * i_uid and i_gid are still uid_t, not kuid_t, so remove .val * Replaced string "U-Boot" with "Barebox" * Add #ifndef __BAREBOX__ around open_ubi, sb_test, sb_set, ubifs_mount, kill_ubifs_super, ubifs_fs_type * Do not call ubi_open_volume or ubi_close_volume in ubifs_fill_super Those will already be handled in ubifs_probe * Replaced uboot_ubifs_mount with new ubifs_get_super implementation using existing functions alloc_super, alloc_ubifs_info tnc.c * Replace __UBOOT__ with __BAREBOX__ * Remove #include <linux/compat.h> tnc_misc.c * Replace __UBOOT__ with __BAREBOX__ ubifs-media.h * Replace __UBOOT__ with __BAREBOX__ ubifs.c: * Replaced __UBOOT__ with __BAREBOX__ * Adjusted header includes * Removed DECLARE_GLOBAL_DATA_PTR * Add static struct z_stream_s variable * Add struct ubifs_priv delcaration * Replaced zunzip with deflate_decompress call * Add ifdef for disabling ZLIB and/or LZO support * Replaced malloc_cache_aligned with kzalloc * Added #ifndef __BAREBOX__ around filldir, ubifs_printdir, ubifs_set_blk_dev, ubifs_ls, ubifs_exists, ubifs_size, do_readpage, ubifs_read, ubifs_close, ubifs_load * Make parameter filename const char* in ubifs_findfile * Add UBIFS fs_driver_d implementation * Add zlib_decomp_init, ubifs_init ubifs.h: * Replaced __UBOOT__ with __BAREBOX__ * Adjusted header includes * Added old #define crc32 * Added helper around kmem* * Added XATTR_LIST_MAX define * Added #ifndef __BAREBOX__ around current_fs_time struct inode, struct super_block, file_system_type, dentry and friends which barebox already has * Added #ifndef __BAREBOX__ around write_inode in super_operations to avoid declaration of writeback_control * Change rp_uid and rp_gid to uid_t and gui_t * Added struct device_d to struct ubifs_info * Added forward declaration of ubifs_get_super linux/fs.h: * Make struct inode's i_nlink a union containing a non-const int __i_nlink while making i_nlink a const int linux/fs.h: * Add s_remove_count linux/fs.h: * Convert struct super_block.s_instances and struct file_system_type.fs_supers to hlist_head Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* Merge branch 'for-next/linux-headers'Sascha Hauer2016-02-082-365/+11
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| * Introduce include/linux/mutex.hYegor Yefremov2016-02-031-0/+1
| | | | | | | | | | | | | | Move mutex related defines to its original place. Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * Introduce include/linux/spinlock.hYegor Yefremov2016-02-011-0/+1
| | | | | | | | | | | | | | Move spinlock related definitions to its original place. Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * Introduce include/linux/sched.hYegor Yefremov2016-02-011-0/+1
| | | | | | | | | | | | | | | | Move cond_resched() from barebox-wrapper.h to its original place. Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * fs: ubifs: move file and file_system_type definitions to linux/fs.hYegor Yefremov2016-02-011-39/+0
| | | | | | | | | | Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * fs: ubifs: move path definition to include/linux/path.hYegor Yefremov2016-02-011-5/+1
| | | | | | | | | | Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * fs: ubifs: move vfsmount definition to include/linux/mount.hYegor Yefremov2016-02-011-34/+1
| | | | | | | | | | Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * fs: ubifs: move dcache related definitions to include/linux/dcache.hYegor Yefremov2016-02-011-46/+1
| | | | | | | | | | Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * fs: move pgoff_t definition to include/linux/types.hYegor Yefremov2016-02-011-2/+0
| | | | | | | | | | Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * fs: use linux/fs.h for file system related definitionsYegor Yefremov2016-02-012-87/+2
| | | | | | | | | | Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * fs: ubifs: remove redundant macro definesYegor Yefremov2016-01-291-14/+1
| | | | | | | | | | | | | | Remove macros, that were already defined in linux/stat.h. Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * fs: move PAGE_CACHE definitions to include/linux/pagemap.hYegor Yefremov2016-01-291-4/+1
| | | | | | | | | | Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * fs: introduce include/linux/fs.hYegor Yefremov2016-01-291-127/+1
| | | | | | | | | | | | | | Move Linux file system structs from UBIFS to central place. Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * fs: move struct timespec to include/linux/time.hYegor Yefremov2016-01-291-7/+0
| | | | | | | | | | Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | ubifs: Fix reading holes in filesSascha Hauer2016-02-041-1/+1
|/ | | | | | | | When a whole block of 4KiB in an ubifs file is zero then the block is not stored in the filesystem. read_block() returns -ENOENT in this case, so this return value must be treated as success. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* introduce strerrorpSascha Hauer2015-09-231-1/+1
| | | | | | | | | | putting an error pointer into strerror can be a bit confusing since strerror takes a positive error code but PTR_ERR returns a negative number, so we have to do strerror(-PTR_ERR(errp)). Some places got this wrong already, so introduce a strerrorp function which directly takes an error pointer. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* fs: ubifs: Implement Linux rootargSascha Hauer2015-06-181-0/+23
| | | | | | | | Add the parameter to boot from ubifs fileystems. This assumes that there will be only one UBI device registered in the kernel, otherwise there is no way to predict the ubi number. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* fs: rename inode member of struct filep to privSascha Hauer2015-03-091-3/+3
| | | | | | | Because that's what it is. 'inode' will become confusing once we support real inodes. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* fs: ubifs: remove redundant macro definesMasahiro Yamada2015-01-211-4/+0
| | | | | | | | | | fs/ubifs/ubifs.h includes <common.h> and the macros INT_MAX, INT_MIN, LLONG_MAX are already defined there. The same defines in fs/ubifs/ubifs.h are redundant. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* ubifs: Remove unused variableAlexander Shiyan2014-04-231-4/+0
| | | | | Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* fs: ubifs: rework loggingSascha Hauer2014-02-283-16/+27
| | | | | | | | By default UBIFS is very verbose. Decrease the verbosity, turn printf messages into ubifs_ messages and add device parameters for the values which are not printed anymore. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* fs: ubifs: Fix unused function warningSascha Hauer2014-02-281-0/+2
| | | | Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* UBIFS: implement readlink entry pointRenaud Barbier2014-01-301-0/+38
| | | | | | | Implement the readlink entry point for future use by the DA923RC. Signed-off-by: Renaud Barbier <renaud.barbier@ge.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* fs ubifs: Use pr_* for printing messagesSascha Hauer2014-01-162-8/+8
| | | | | | | Unline the printk(KERN_* the pr_* functions cooperate with the barebox loglevel. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* ubifs: Remove redundant assignmentAlexander Shiyan2013-10-222-2/+0
| | | | | Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* fs: cleanup backingstore handlingSascha Hauer2013-09-291-10/+6
| | | | | | | | | | | All filesystem drivers which need a backingstore device do the same ignoring of '/dev/' in the backingstore followed by a cdev_open. Add a helper function for it and let the core handle the cdev. As a side effect this makes sure that fsdev->cdev is also set when a device is mounted without the leading '/dev/' which was previously ignored by the mount code. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* fs: Add ubifs supportSascha Hauer2013-08-0726-0/+15529
This adds ubifs support from u-boot-2013.07. This is taken mostly as-is, only the necessary adjustments to attach to the barebox fs layer have been made. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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