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Re: Compress Plugin
At least what I can tell its both - you need a patch and some arguments for mkfs. Search the list, about one month ago edward explained it to me (with link to patches and README file). Good luck, lg Clemens 2006/12/2, Tim Heinrich <[EMAIL PROTECTED]>: Hi, i have heard about the compress plugin, but I could not find information how to use it... Do I need a special patch or is it a option to mkfs.reiser4? Tim
Compress Plugin
Hi, i have heard about the compress plugin, but I could not find information how to use it... Do I need a special patch or is it a option to mkfs.reiser4? Tim signature.asc Description: Dies ist ein digital signierter Nachrichtenteil
Howto help hans?
Hello again, I just read in a german online news-site http://forum.tecchannel.de/news/themen/linux/456733/ that Hans' advocate Daniel Horowitz (I don't know wether this is the right word, that one how helps hans in front of the court) stopped working for hime because Hans was not able to pay him anymore. I don't know wether this is right or just imagination of newspapers, but if thats right we should help somehow. As far as I know there is currently no way of donating to Reiser4's developmant nore to help Hans in any way? Any ideas? Whats about registering a domain with sum fund stuff - donate to Reiser4 / help Hans? Does nobody care?! lg Clemens
Re: Possible interference between reiser4 and usb-storage?
Thanks a lot for the detailed explanation. Current conversion policy (convert to extent, if first 64K are incompressible) allows to properly handle ~50% of all mpegs. I hope it can be increased up to 70-80% using only cosmetic changes. However, other problems you described (a lot of HD seeks, slow directory listing) should disappear with the _current_ conversion stuff. 1.) Ok, you convinced me ... I'll try it out very soon. Is the patch you mentioned against my patched 2.6.19rc4-mm1 kernel which has already been patched by a patch you posted on the list about 1 month ago when I asked about compression? I'll do some timings before and let you know how well it does. 2.) Is there a way to find out how much a file / files have/has been compression. If I ask konqueror how large all sub-stuff of a directory is, is this the compressed size or the size the uncompressed files have? Thanks a lot for all your patience, lg Clemens
[PATCH 9/10] Reiser4: remove unnecessary config.h includes.
--- fs/reiser4/plugin/compress/compress.c |1 - fs/reiser4/reiser4.h |1 - 2 files changed, 0 insertions(+), 2 deletions(-) diff --git a/fs/reiser4/plugin/compress/compress.c b/fs/reiser4/plugin/compress/compress.c index 25d4dea..1a7122d 100644 --- a/fs/reiser4/plugin/compress/compress.c +++ b/fs/reiser4/plugin/compress/compress.c @@ -6,7 +6,6 @@ #include "../plugin.h" #include "minilzo.h" -#include #include #include #include diff --git a/fs/reiser4/reiser4.h b/fs/reiser4/reiser4.h index ec94eec..cdae341 100644 --- a/fs/reiser4/reiser4.h +++ b/fs/reiser4/reiser4.h @@ -6,7 +6,6 @@ #if !defined( __REISER4_H__ ) #define __REISER4_H__ -#include #include /* for HZ */ #include #include -- 1.4.4.1.gaed4
[PATCH 7/10] Reiser4: Replace inode.u.generic_ip with inode.i_private
inode.u.generic_ip was replaced with inode.i_private to reduce the size of the VFS inode structure. This patch updates reiser4 code to reflect this change. --- fs/reiser4/inode.h |2 +- fs/reiser4/plugin/file/symlink.c | 14 +++--- fs/reiser4/plugin/inode_ops.c|6 +++--- fs/reiser4/plugin/item/static_stat.c | 18 +- 4 files changed, 20 insertions(+), 20 deletions(-) diff --git a/fs/reiser4/inode.h b/fs/reiser4/inode.h index ed59b0f..88b155d 100644 --- a/fs/reiser4/inode.h +++ b/fs/reiser4/inode.h @@ -41,7 +41,7 @@ typedef enum { REISER4_IMMUTABLE = 2, /* inode was read from storage */ REISER4_LOADED = 3, - /* this bit is set for symlinks. inode->u.generic_ip points to target + /* this bit is set for symlinks. inode->i_private points to target name of symlink. */ REISER4_GENERIC_PTR_USED = 4, /* set if size of stat-data item for this inode is known. If this is diff --git a/fs/reiser4/plugin/file/symlink.c b/fs/reiser4/plugin/file/symlink.c index 343e72e..4f3f05a 100644 --- a/fs/reiser4/plugin/file/symlink.c +++ b/fs/reiser4/plugin/file/symlink.c @@ -42,8 +42,8 @@ int create_symlink(struct inode *symlink, */ reiser4_inode_data(symlink)->extmask |= (1 << SYMLINK_STAT); - assert("vs-838", symlink->u.generic_ip == NULL); - symlink->u.generic_ip = (void *)data->name; + assert("vs-838", symlink->i_private == NULL); + symlink->i_private = (void *)data->name; assert("vs-843", symlink->i_size == 0); INODE_SET_FIELD(symlink, i_size, strlen(data->name)); @@ -51,14 +51,14 @@ int create_symlink(struct inode *symlink, /* insert stat data appended with data->name */ result = inode_file_plugin(symlink)->write_sd_by_inode(symlink); if (result) { - /* FIXME-VS: Make sure that symlink->u.generic_ip is not attached + /* FIXME-VS: Make sure that symlink->i_private is not attached to kmalloced data */ INODE_SET_FIELD(symlink, i_size, 0); } else { - assert("vs-849", symlink->u.generic_ip + assert("vs-849", symlink->i_private && inode_get_flag(symlink, REISER4_GENERIC_PTR_USED)); assert("vs-850", - !memcmp((char *)symlink->u.generic_ip, data->name, + !memcmp((char *)symlink->i_private, data->name, (size_t) symlink->i_size + 1)); } return result; @@ -76,8 +76,8 @@ void destroy_inode_symlink(struct inode *inode) assert("edward-801", inode_get_flag(inode, REISER4_GENERIC_PTR_USED)); assert("vs-839", S_ISLNK(inode->i_mode)); - kfree(inode->u.generic_ip); - inode->u.generic_ip = NULL; + kfree(inode->i_private); + inode->i_private = NULL; inode_clr_flag(inode, REISER4_GENERIC_PTR_USED); } diff --git a/fs/reiser4/plugin/inode_ops.c b/fs/reiser4/plugin/inode_ops.c index 73e6cbd..7c215af 100644 --- a/fs/reiser4/plugin/inode_ops.c +++ b/fs/reiser4/plugin/inode_ops.c @@ -389,16 +389,16 @@ int mknod_common(struct inode *parent, struct dentry *dentry, * * This is common implementation of vfs's followlink method of struct * inode_operations. - * Assumes that inode's generic_ip points to the content of symbolic link. + * Assumes that inode's i_private points to the content of symbolic link. */ void *follow_link_common(struct dentry *dentry, struct nameidata *nd) { assert("vs-851", S_ISLNK(dentry->d_inode->i_mode)); - if (!dentry->d_inode->u.generic_ip + if (!dentry->d_inode->i_private || !inode_get_flag(dentry->d_inode, REISER4_GENERIC_PTR_USED)) return ERR_PTR(RETERR(-EINVAL)); - nd_set_link(nd, dentry->d_inode->u.generic_ip); + nd_set_link(nd, dentry->d_inode->i_private); return NULL; } diff --git a/fs/reiser4/plugin/item/static_stat.c b/fs/reiser4/plugin/item/static_stat.c index d1a4a40..0ef01e6 100644 --- a/fs/reiser4/plugin/item/static_stat.c +++ b/fs/reiser4/plugin/item/static_stat.c @@ -430,21 +430,21 @@ save_large_times_sd(struct inode *inode /* object being processed */ , /* symlink stat data extension */ -/* allocate memory for symlink target and attach it to inode->u.generic_ip */ +/* allocate memory for symlink target and attach it to inode->i_private */ static int symlink_target_to_inode(struct inode *inode, const char *target, int len) { - assert("vs-845", inode->u.generic_ip == NULL); + assert("vs-845", inode->i_private == NULL); assert("vs-846", !inode_get_flag(inode, REISER4_GENERIC_PTR_USED)); /* FIXME-VS: this is prone to deadlock. Not more than other similar places, though */ - inode->u.generic_ip = kmalloc((size_t) len + 1, get_gfp_mask()); - if (!inode->u.generic_ip) + inode->i_private
[PATCH 8/10] Reiser4: inode.i_blksize suppression
This patch updates the reiser4 code to reflect the suppression of the inode.i_blksize field (see commit ba52de123d454b57369f291348266d86f4b35070). --- fs/reiser4/plugin/item/static_stat.c |2 -- 1 files changed, 0 insertions(+), 2 deletions(-) diff --git a/fs/reiser4/plugin/item/static_stat.c b/fs/reiser4/plugin/item/static_stat.c index 0ef01e6..f53a5aa 100644 --- a/fs/reiser4/plugin/item/static_stat.c +++ b/fs/reiser4/plugin/item/static_stat.c @@ -168,8 +168,6 @@ int init_inode_static_sd(struct inode *inode /* object being processed */ , break; } state->extmask = bigmask; - /* common initialisations */ - inode->i_blksize = get_super_private(inode->i_sb)->optimal_io_size; if (len - (bit / 16 * sizeof(d16)) > 0) { /* alignment in save_len_static_sd() is taken into account -edward */ -- 1.4.4.1.gaed4
Reiser4 for 2.6.19
Hi, There is 10 patches in this series, first one is "Reiser4 for 2.6.18 version 3". It's made up from the last Namesys Reiser4 patch for vanilla kernel (http://ftp.namesys.com/pub/reiser4-for-2.6/2.6.18/reiser4-for-2.6.18-3.patch.gz), updated to apply cleanly on top of 2.6.19 kernel. One can alternatively apply the original patch from Namesys (reiser4-for-2.6.18-3.patch.gz) on top of 2.6.19 kernel, it will successfully apply with some oddities. The 9 next patches are compile-fixes for 2.6.19 or bug-fixes I picked up from reiserfs mailing-list. Andrew Wade (3): Reiser4: fix use after free in jrelse_tail Reiser4: release d_ref Reiser4: release d_ref (fix) Edward Shishkin (2): Reiser4 for 2.6.18 version 3 reiser4-generic_file_read-fix Laurent Riffard (5): Reiser4: cometics changes in mm/filemap.c. Reiser4: fix calls to kmem_cache_destroy Reiser4: Replace inode.u.generic_ip with inode.i_private Reiser4: inode.i_blksize suppression Reiser4: remove unnecessary config.h includes. The whole series is available as in a single patch: http://laurent.riffard.free.fr/reiser4/reiser4-for-2.6.19.patch.gz. I'm not a filesystem guru, nor I'm affiliated with Namesys. These patches just suit my needs. It works for me and I hope it will help somebody else. ~~ laurent
[PATCH 6/10] Reiser4: fix calls to kmem_cache_destroy
Since Linux v2.6.19-rc1, kmem_cache_destroy() returns void because there is very little filesystem driver code can do upon failed kmem_cache_destroy(). This patch updates Reiser4 code to reflect this change. BTW, we do not test anymore for null argument since kmem_cache_destroy does this check. --- fs/reiser4/super_ops.c |6 +- 1 files changed, 1 insertions(+), 5 deletions(-) diff --git a/fs/reiser4/super_ops.c b/fs/reiser4/super_ops.c index 0f39702..04fa72d 100644 --- a/fs/reiser4/super_ops.c +++ b/fs/reiser4/super_ops.c @@ -589,11 +589,7 @@ static struct file_system_type reiser4_fs_type = { void destroy_reiser4_cache(kmem_cache_t **cachep) { - int result; - - BUG_ON(*cachep == NULL); - result = kmem_cache_destroy(*cachep); - BUG_ON(result != 0); + kmem_cache_destroy(*cachep); *cachep = NULL; } -- 1.4.4.1.gaed4
[PATCH 2/10] Reiser4: cometics changes in mm/filemap.c.
This patch moves some EXPORT_SYMOLs near the functions definition. --- mm/filemap.c |6 +++--- 1 files changed, 3 insertions(+), 3 deletions(-) diff --git a/mm/filemap.c b/mm/filemap.c index ffe6dcc..c117b52 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -467,6 +467,7 @@ int add_to_page_cache_lru(struct page *page, struct address_space *mapping, lru_cache_add(page); return ret; } +EXPORT_SYMBOL(add_to_page_cache_lru); #ifdef CONFIG_NUMA struct page *__page_cache_alloc(gfp_t gfp) @@ -740,7 +741,7 @@ unsigned find_get_pages(struct address_space *mapping, pgoff_t start, read_unlock_irq(&mapping->tree_lock); return ret; } -EXPORT_SYMBOL(add_to_page_cache_lru); +EXPORT_SYMBOL(find_get_pages); /** * find_get_pages_contig - gang contiguous pagecache lookup @@ -801,7 +802,7 @@ unsigned find_get_pages_tag(struct address_space *mapping, pgoff_t *index, read_unlock_irq(&mapping->tree_lock); return ret; } -EXPORT_SYMBOL(find_get_pages); +EXPORT_SYMBOL(find_get_pages_tag); /** * grab_cache_page_nowait - returns locked page at given index in given cache @@ -859,7 +860,6 @@ static void shrink_readahead_size_eio(struct file *filp, ra->ra_pages /= 4; } -EXPORT_SYMBOL(find_get_pages_tag); /** * do_generic_mapping_read - generic file read routine -- 1.4.4.1.gaed4
[PATCH 10/10] reiser4-generic_file_read-fix
From: Edward Shishkin <[EMAIL PROTECTED]> Use do_sync_read() instead of generic_file_read() --- fs/reiser4/plugin/file/cryptcompress.c |2 +- fs/reiser4/plugin/object.c |1 + 2 files changed, 2 insertions(+), 1 deletions(-) diff --git a/fs/reiser4/plugin/file/cryptcompress.c b/fs/reiser4/plugin/file/cryptcompress.c index b587933..64137dc 100644 --- a/fs/reiser4/plugin/file/cryptcompress.c +++ b/fs/reiser4/plugin/file/cryptcompress.c @@ -2883,7 +2883,7 @@ ssize_t read_cryptcompress(struct file * file, char __user *buf, size_t size, down_read(&info->lock); LOCK_CNT_INC(inode_sem_r); - result = generic_file_read(file, buf, size, off); + result = do_sync_read(file, buf, size, off); up_read(&info->lock); LOCK_CNT_DEC(inode_sem_r); diff --git a/fs/reiser4/plugin/object.c b/fs/reiser4/plugin/object.c index a57ce06..9f11dd6 100644 --- a/fs/reiser4/plugin/object.c +++ b/fs/reiser4/plugin/object.c @@ -305,6 +305,7 @@ file_plugin file_plugins[LAST_FILE_PLUGIN_ID] = { .llseek = generic_file_llseek, .read = read_cryptcompress, .write = write_cryptcompress, + .aio_read = generic_file_aio_read, .mmap = mmap_cryptcompress, .release = release_cryptcompress, .fsync = sync_common, -- 1.4.4.1.gaed4
Re: Possible interference between reiser4 and usb-storage?
Hi again, I would recommend to use on-the-fly conversion to unix-file plugin. It will reduce memory usage for incompressible files. You will need to reformat your root partition. Use "mkfs.reiser4 -o create=ccreg40,compressMode=conv /dev/xxx" to enable this. But first rebuild kernel with the attached patch. This feature is relatively new, so it would be better to have a backup of your root partition and update it from time to time. Thanks a lot ... I'll give it a try soon when I'll get my new laptop. Congratulations to reiser4's stability - I ever encountered a single stability or data corruption problem. However lately I deleted about 8 700mb files (mpg) and my laptop was busy for about 5min. I deleted it using konqueror - do you have an idea why deleting such large files is that slow? Thank you in advnace, lg Clemens