diff options
Diffstat (limited to 'fs/gfs2/xattr.c')
-rw-r--r-- | fs/gfs2/xattr.c | 59 |
1 files changed, 22 insertions, 37 deletions
diff --git a/fs/gfs2/xattr.c b/fs/gfs2/xattr.c index f2bce1e0f6fb..38515988aaf7 100644 --- a/fs/gfs2/xattr.c +++ b/fs/gfs2/xattr.c @@ -343,60 +343,45 @@ struct ea_list { unsigned int ei_size; }; -static inline unsigned int gfs2_ea_strlen(struct gfs2_ea_header *ea) -{ - switch (ea->ea_type) { - case GFS2_EATYPE_USR: - return 5 + ea->ea_name_len + 1; - case GFS2_EATYPE_SYS: - return 7 + ea->ea_name_len + 1; - case GFS2_EATYPE_SECURITY: - return 9 + ea->ea_name_len + 1; - default: - return 0; - } -} - static int ea_list_i(struct gfs2_inode *ip, struct buffer_head *bh, struct gfs2_ea_header *ea, struct gfs2_ea_header *prev, void *private) { struct ea_list *ei = private; struct gfs2_ea_request *er = ei->ei_er; - unsigned int ea_size = gfs2_ea_strlen(ea); + unsigned int ea_size; + char *prefix; + unsigned int l; if (ea->ea_type == GFS2_EATYPE_UNUSED) return 0; - if (er->er_data_len) { - char *prefix = NULL; - unsigned int l = 0; - char c = 0; + switch (ea->ea_type) { + case GFS2_EATYPE_USR: + prefix = "user."; + l = 5; + break; + case GFS2_EATYPE_SYS: + prefix = "system."; + l = 7; + break; + case GFS2_EATYPE_SECURITY: + prefix = "security."; + l = 9; + break; + default: + BUG(); + } + ea_size = l + ea->ea_name_len + 1; + if (er->er_data_len) { if (ei->ei_size + ea_size > er->er_data_len) return -ERANGE; - switch (ea->ea_type) { - case GFS2_EATYPE_USR: - prefix = "user."; - l = 5; - break; - case GFS2_EATYPE_SYS: - prefix = "system."; - l = 7; - break; - case GFS2_EATYPE_SECURITY: - prefix = "security."; - l = 9; - break; - } - - BUG_ON(l == 0); - memcpy(er->er_data + ei->ei_size, prefix, l); memcpy(er->er_data + ei->ei_size + l, GFS2_EA2NAME(ea), ea->ea_name_len); - memcpy(er->er_data + ei->ei_size + ea_size - 1, &c, 1); + er->er_data[ei->ei_size + ea_size - 1] = 0; } ei->ei_size += ea_size; |