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kernel_samsung_sm7125/fs/jffs2/acl.h

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[JFFS2][XATTR] Unify each file header part with any jffs2 file. Unify each file header part with any jffs2 file. [7/10] jffs2-xattr-v5.1-07-unify_file_header.patch Signed-off-by: KaiGai Kohei <kaigai@ak.jp.nec.com>
19 years ago
/*
* JFFS2 -- Journalling Flash File System, Version 2.
[JFFS2][XATTR] XATTR support on JFFS2 (version. 5) This attached patches provide xattr support including POSIX-ACL and SELinux support on JFFS2 (version.5). There are some significant differences from previous version posted at last December. The biggest change is addition of EBS(Erase Block Summary) support. Currently, both kernel and usermode utility (sumtool) can recognize xattr nodes which have JFFS2_NODETYPE_XATTR/_XREF nodetype. In addition, some bugs are fixed. - A potential race condition was fixed. - Unexpected fail when updating a xattr by same name/value pair was fixed. - A bug when removing xattr name/value pair was fixed. The fundamental structures (such as using two new nodetypes and exclusion mechanism by rwsem) are unchanged. But most of implementation were reviewed and updated if necessary. Espacially, we had to change several internal implementations related to load_xattr_datum() to avoid a potential race condition. [1/2] xattr_on_jffs2.kernel.version-5.patch [2/2] xattr_on_jffs2.utils.version-5.patch Signed-off-by: KaiGai Kohei <kaigai@ak.jp.nec.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
19 years ago
*
[JFFS2][XATTR] Unify each file header part with any jffs2 file. Unify each file header part with any jffs2 file. [7/10] jffs2-xattr-v5.1-07-unify_file_header.patch Signed-off-by: KaiGai Kohei <kaigai@ak.jp.nec.com>
19 years ago
* Copyright (C) 2006 NEC Corporation
[JFFS2][XATTR] XATTR support on JFFS2 (version. 5) This attached patches provide xattr support including POSIX-ACL and SELinux support on JFFS2 (version.5). There are some significant differences from previous version posted at last December. The biggest change is addition of EBS(Erase Block Summary) support. Currently, both kernel and usermode utility (sumtool) can recognize xattr nodes which have JFFS2_NODETYPE_XATTR/_XREF nodetype. In addition, some bugs are fixed. - A potential race condition was fixed. - Unexpected fail when updating a xattr by same name/value pair was fixed. - A bug when removing xattr name/value pair was fixed. The fundamental structures (such as using two new nodetypes and exclusion mechanism by rwsem) are unchanged. But most of implementation were reviewed and updated if necessary. Espacially, we had to change several internal implementations related to load_xattr_datum() to avoid a potential race condition. [1/2] xattr_on_jffs2.kernel.version-5.patch [2/2] xattr_on_jffs2.utils.version-5.patch Signed-off-by: KaiGai Kohei <kaigai@ak.jp.nec.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
19 years ago
*
[JFFS2][XATTR] Unify each file header part with any jffs2 file. Unify each file header part with any jffs2 file. [7/10] jffs2-xattr-v5.1-07-unify_file_header.patch Signed-off-by: KaiGai Kohei <kaigai@ak.jp.nec.com>
19 years ago
* Created by KaiGai Kohei <kaigai@ak.jp.nec.com>
*
* For licensing information, see the file 'LICENCE' in this directory.
*
*/
[JFFS2][XATTR] remove typedef from posix_acl related definition. jffs2_acl_header, jffs2_acl_entry and jffs2_acl_entry_short were redefined with using 'struct' instead of 'typedef' in kernel implementation. [1/10] jffs2-xattr-v5.1-01-remove_typedef_kernel.patch Signed-off-by: KaiGai Kohei <kaigai@ak.jp.nec.com>
19 years ago
struct jffs2_acl_entry {
[JFFS2][XATTR] XATTR support on JFFS2 (version. 5) This attached patches provide xattr support including POSIX-ACL and SELinux support on JFFS2 (version.5). There are some significant differences from previous version posted at last December. The biggest change is addition of EBS(Erase Block Summary) support. Currently, both kernel and usermode utility (sumtool) can recognize xattr nodes which have JFFS2_NODETYPE_XATTR/_XREF nodetype. In addition, some bugs are fixed. - A potential race condition was fixed. - Unexpected fail when updating a xattr by same name/value pair was fixed. - A bug when removing xattr name/value pair was fixed. The fundamental structures (such as using two new nodetypes and exclusion mechanism by rwsem) are unchanged. But most of implementation were reviewed and updated if necessary. Espacially, we had to change several internal implementations related to load_xattr_datum() to avoid a potential race condition. [1/2] xattr_on_jffs2.kernel.version-5.patch [2/2] xattr_on_jffs2.utils.version-5.patch Signed-off-by: KaiGai Kohei <kaigai@ak.jp.nec.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
19 years ago
jint16_t e_tag;
jint16_t e_perm;
jint32_t e_id;
[JFFS2][XATTR] remove typedef from posix_acl related definition. jffs2_acl_header, jffs2_acl_entry and jffs2_acl_entry_short were redefined with using 'struct' instead of 'typedef' in kernel implementation. [1/10] jffs2-xattr-v5.1-01-remove_typedef_kernel.patch Signed-off-by: KaiGai Kohei <kaigai@ak.jp.nec.com>
19 years ago
};
[JFFS2][XATTR] XATTR support on JFFS2 (version. 5) This attached patches provide xattr support including POSIX-ACL and SELinux support on JFFS2 (version.5). There are some significant differences from previous version posted at last December. The biggest change is addition of EBS(Erase Block Summary) support. Currently, both kernel and usermode utility (sumtool) can recognize xattr nodes which have JFFS2_NODETYPE_XATTR/_XREF nodetype. In addition, some bugs are fixed. - A potential race condition was fixed. - Unexpected fail when updating a xattr by same name/value pair was fixed. - A bug when removing xattr name/value pair was fixed. The fundamental structures (such as using two new nodetypes and exclusion mechanism by rwsem) are unchanged. But most of implementation were reviewed and updated if necessary. Espacially, we had to change several internal implementations related to load_xattr_datum() to avoid a potential race condition. [1/2] xattr_on_jffs2.kernel.version-5.patch [2/2] xattr_on_jffs2.utils.version-5.patch Signed-off-by: KaiGai Kohei <kaigai@ak.jp.nec.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
19 years ago
[JFFS2][XATTR] remove typedef from posix_acl related definition. jffs2_acl_header, jffs2_acl_entry and jffs2_acl_entry_short were redefined with using 'struct' instead of 'typedef' in kernel implementation. [1/10] jffs2-xattr-v5.1-01-remove_typedef_kernel.patch Signed-off-by: KaiGai Kohei <kaigai@ak.jp.nec.com>
19 years ago
struct jffs2_acl_entry_short {
[JFFS2][XATTR] XATTR support on JFFS2 (version. 5) This attached patches provide xattr support including POSIX-ACL and SELinux support on JFFS2 (version.5). There are some significant differences from previous version posted at last December. The biggest change is addition of EBS(Erase Block Summary) support. Currently, both kernel and usermode utility (sumtool) can recognize xattr nodes which have JFFS2_NODETYPE_XATTR/_XREF nodetype. In addition, some bugs are fixed. - A potential race condition was fixed. - Unexpected fail when updating a xattr by same name/value pair was fixed. - A bug when removing xattr name/value pair was fixed. The fundamental structures (such as using two new nodetypes and exclusion mechanism by rwsem) are unchanged. But most of implementation were reviewed and updated if necessary. Espacially, we had to change several internal implementations related to load_xattr_datum() to avoid a potential race condition. [1/2] xattr_on_jffs2.kernel.version-5.patch [2/2] xattr_on_jffs2.utils.version-5.patch Signed-off-by: KaiGai Kohei <kaigai@ak.jp.nec.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
19 years ago
jint16_t e_tag;
jint16_t e_perm;
[JFFS2][XATTR] remove typedef from posix_acl related definition. jffs2_acl_header, jffs2_acl_entry and jffs2_acl_entry_short were redefined with using 'struct' instead of 'typedef' in kernel implementation. [1/10] jffs2-xattr-v5.1-01-remove_typedef_kernel.patch Signed-off-by: KaiGai Kohei <kaigai@ak.jp.nec.com>
19 years ago
};
[JFFS2][XATTR] XATTR support on JFFS2 (version. 5) This attached patches provide xattr support including POSIX-ACL and SELinux support on JFFS2 (version.5). There are some significant differences from previous version posted at last December. The biggest change is addition of EBS(Erase Block Summary) support. Currently, both kernel and usermode utility (sumtool) can recognize xattr nodes which have JFFS2_NODETYPE_XATTR/_XREF nodetype. In addition, some bugs are fixed. - A potential race condition was fixed. - Unexpected fail when updating a xattr by same name/value pair was fixed. - A bug when removing xattr name/value pair was fixed. The fundamental structures (such as using two new nodetypes and exclusion mechanism by rwsem) are unchanged. But most of implementation were reviewed and updated if necessary. Espacially, we had to change several internal implementations related to load_xattr_datum() to avoid a potential race condition. [1/2] xattr_on_jffs2.kernel.version-5.patch [2/2] xattr_on_jffs2.utils.version-5.patch Signed-off-by: KaiGai Kohei <kaigai@ak.jp.nec.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
19 years ago
[JFFS2][XATTR] remove typedef from posix_acl related definition. jffs2_acl_header, jffs2_acl_entry and jffs2_acl_entry_short were redefined with using 'struct' instead of 'typedef' in kernel implementation. [1/10] jffs2-xattr-v5.1-01-remove_typedef_kernel.patch Signed-off-by: KaiGai Kohei <kaigai@ak.jp.nec.com>
19 years ago
struct jffs2_acl_header {
[JFFS2][XATTR] XATTR support on JFFS2 (version. 5) This attached patches provide xattr support including POSIX-ACL and SELinux support on JFFS2 (version.5). There are some significant differences from previous version posted at last December. The biggest change is addition of EBS(Erase Block Summary) support. Currently, both kernel and usermode utility (sumtool) can recognize xattr nodes which have JFFS2_NODETYPE_XATTR/_XREF nodetype. In addition, some bugs are fixed. - A potential race condition was fixed. - Unexpected fail when updating a xattr by same name/value pair was fixed. - A bug when removing xattr name/value pair was fixed. The fundamental structures (such as using two new nodetypes and exclusion mechanism by rwsem) are unchanged. But most of implementation were reviewed and updated if necessary. Espacially, we had to change several internal implementations related to load_xattr_datum() to avoid a potential race condition. [1/2] xattr_on_jffs2.kernel.version-5.patch [2/2] xattr_on_jffs2.utils.version-5.patch Signed-off-by: KaiGai Kohei <kaigai@ak.jp.nec.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
19 years ago
jint32_t a_version;
[JFFS2][XATTR] remove typedef from posix_acl related definition. jffs2_acl_header, jffs2_acl_entry and jffs2_acl_entry_short were redefined with using 'struct' instead of 'typedef' in kernel implementation. [1/10] jffs2-xattr-v5.1-01-remove_typedef_kernel.patch Signed-off-by: KaiGai Kohei <kaigai@ak.jp.nec.com>
19 years ago
};
[JFFS2][XATTR] XATTR support on JFFS2 (version. 5) This attached patches provide xattr support including POSIX-ACL and SELinux support on JFFS2 (version.5). There are some significant differences from previous version posted at last December. The biggest change is addition of EBS(Erase Block Summary) support. Currently, both kernel and usermode utility (sumtool) can recognize xattr nodes which have JFFS2_NODETYPE_XATTR/_XREF nodetype. In addition, some bugs are fixed. - A potential race condition was fixed. - Unexpected fail when updating a xattr by same name/value pair was fixed. - A bug when removing xattr name/value pair was fixed. The fundamental structures (such as using two new nodetypes and exclusion mechanism by rwsem) are unchanged. But most of implementation were reviewed and updated if necessary. Espacially, we had to change several internal implementations related to load_xattr_datum() to avoid a potential race condition. [1/2] xattr_on_jffs2.kernel.version-5.patch [2/2] xattr_on_jffs2.utils.version-5.patch Signed-off-by: KaiGai Kohei <kaigai@ak.jp.nec.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
19 years ago
#ifdef CONFIG_JFFS2_FS_POSIX_ACL
#define JFFS2_ACL_NOT_CACHED ((void *)-1)
extern int jffs2_permission(struct inode *, int, struct nameidata *);
extern int jffs2_acl_chmod(struct inode *);
extern int jffs2_init_acl(struct inode *, struct inode *);
[JFFS2][XATTR] Fix memory leak in POSIX-ACL support jffs2_clear_acl() which releases acl caches allocated by kmalloc() was defined but it was never called. Thus, we faced to the risk of memory leaking. This patch plugs jffs2_clear_acl() into jffs2_do_clear_inode(). It ensures to release acl cache when inode is cleared. Signed-off-by: KaiGai Kohei <kaigai@ak.jp.nec.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
19 years ago
extern void jffs2_clear_acl(struct jffs2_inode_info *);
[JFFS2][XATTR] XATTR support on JFFS2 (version. 5) This attached patches provide xattr support including POSIX-ACL and SELinux support on JFFS2 (version.5). There are some significant differences from previous version posted at last December. The biggest change is addition of EBS(Erase Block Summary) support. Currently, both kernel and usermode utility (sumtool) can recognize xattr nodes which have JFFS2_NODETYPE_XATTR/_XREF nodetype. In addition, some bugs are fixed. - A potential race condition was fixed. - Unexpected fail when updating a xattr by same name/value pair was fixed. - A bug when removing xattr name/value pair was fixed. The fundamental structures (such as using two new nodetypes and exclusion mechanism by rwsem) are unchanged. But most of implementation were reviewed and updated if necessary. Espacially, we had to change several internal implementations related to load_xattr_datum() to avoid a potential race condition. [1/2] xattr_on_jffs2.kernel.version-5.patch [2/2] xattr_on_jffs2.utils.version-5.patch Signed-off-by: KaiGai Kohei <kaigai@ak.jp.nec.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
19 years ago
extern struct xattr_handler jffs2_acl_access_xattr_handler;
extern struct xattr_handler jffs2_acl_default_xattr_handler;
#else
#define jffs2_permission NULL
#define jffs2_acl_chmod(inode) (0)
#define jffs2_init_acl(inode,dir) (0)
[JFFS2][XATTR] Fix memory leak in POSIX-ACL support jffs2_clear_acl() which releases acl caches allocated by kmalloc() was defined but it was never called. Thus, we faced to the risk of memory leaking. This patch plugs jffs2_clear_acl() into jffs2_do_clear_inode(). It ensures to release acl cache when inode is cleared. Signed-off-by: KaiGai Kohei <kaigai@ak.jp.nec.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
19 years ago
#define jffs2_clear_acl(f)
[JFFS2][XATTR] XATTR support on JFFS2 (version. 5) This attached patches provide xattr support including POSIX-ACL and SELinux support on JFFS2 (version.5). There are some significant differences from previous version posted at last December. The biggest change is addition of EBS(Erase Block Summary) support. Currently, both kernel and usermode utility (sumtool) can recognize xattr nodes which have JFFS2_NODETYPE_XATTR/_XREF nodetype. In addition, some bugs are fixed. - A potential race condition was fixed. - Unexpected fail when updating a xattr by same name/value pair was fixed. - A bug when removing xattr name/value pair was fixed. The fundamental structures (such as using two new nodetypes and exclusion mechanism by rwsem) are unchanged. But most of implementation were reviewed and updated if necessary. Espacially, we had to change several internal implementations related to load_xattr_datum() to avoid a potential race condition. [1/2] xattr_on_jffs2.kernel.version-5.patch [2/2] xattr_on_jffs2.utils.version-5.patch Signed-off-by: KaiGai Kohei <kaigai@ak.jp.nec.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
19 years ago
#endif /* CONFIG_JFFS2_FS_POSIX_ACL */