--- zzzz-none-000/linux-3.10.107/fs/ocfs2/ioctl.c 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/fs/ocfs2/ioctl.c 2021-02-04 17:41:59.000000000 +0000 @@ -7,6 +7,7 @@ #include #include +#include #include #include @@ -141,8 +142,8 @@ return status; } -int ocfs2_info_handle_blocksize(struct inode *inode, - struct ocfs2_info_request __user *req) +static int ocfs2_info_handle_blocksize(struct inode *inode, + struct ocfs2_info_request __user *req) { struct ocfs2_info_blocksize oib; @@ -159,8 +160,8 @@ return 0; } -int ocfs2_info_handle_clustersize(struct inode *inode, - struct ocfs2_info_request __user *req) +static int ocfs2_info_handle_clustersize(struct inode *inode, + struct ocfs2_info_request __user *req) { struct ocfs2_info_clustersize oic; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); @@ -178,8 +179,8 @@ return 0; } -int ocfs2_info_handle_maxslots(struct inode *inode, - struct ocfs2_info_request __user *req) +static int ocfs2_info_handle_maxslots(struct inode *inode, + struct ocfs2_info_request __user *req) { struct ocfs2_info_maxslots oim; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); @@ -197,8 +198,8 @@ return 0; } -int ocfs2_info_handle_label(struct inode *inode, - struct ocfs2_info_request __user *req) +static int ocfs2_info_handle_label(struct inode *inode, + struct ocfs2_info_request __user *req) { struct ocfs2_info_label oil; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); @@ -216,8 +217,8 @@ return 0; } -int ocfs2_info_handle_uuid(struct inode *inode, - struct ocfs2_info_request __user *req) +static int ocfs2_info_handle_uuid(struct inode *inode, + struct ocfs2_info_request __user *req) { struct ocfs2_info_uuid oiu; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); @@ -235,8 +236,8 @@ return 0; } -int ocfs2_info_handle_fs_features(struct inode *inode, - struct ocfs2_info_request __user *req) +static int ocfs2_info_handle_fs_features(struct inode *inode, + struct ocfs2_info_request __user *req) { struct ocfs2_info_fs_features oif; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); @@ -256,8 +257,8 @@ return 0; } -int ocfs2_info_handle_journal_size(struct inode *inode, - struct ocfs2_info_request __user *req) +static int ocfs2_info_handle_journal_size(struct inode *inode, + struct ocfs2_info_request __user *req) { struct ocfs2_info_journal_size oij; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); @@ -265,7 +266,7 @@ if (o2info_from_user(oij, req)) return -EFAULT; - oij.ij_journal_size = osb->journal->j_inode->i_size; + oij.ij_journal_size = i_size_read(osb->journal->j_inode); o2info_set_request_filled(&oij.ij_req); @@ -275,9 +276,10 @@ return 0; } -int ocfs2_info_scan_inode_alloc(struct ocfs2_super *osb, - struct inode *inode_alloc, u64 blkno, - struct ocfs2_info_freeinode *fi, u32 slot) +static int ocfs2_info_scan_inode_alloc(struct ocfs2_super *osb, + struct inode *inode_alloc, u64 blkno, + struct ocfs2_info_freeinode *fi, + u32 slot) { int status = 0, unlock = 0; @@ -322,8 +324,8 @@ return status; } -int ocfs2_info_handle_freeinode(struct inode *inode, - struct ocfs2_info_request __user *req) +static int ocfs2_info_handle_freeinode(struct inode *inode, + struct ocfs2_info_request __user *req) { u32 i; u64 blkno = -1; @@ -371,11 +373,12 @@ } status = ocfs2_info_scan_inode_alloc(osb, inode_alloc, blkno, oifi, i); - if (status < 0) - goto bail; iput(inode_alloc); inode_alloc = NULL; + + if (status < 0) + goto bail; } o2info_set_request_filled(&oifi->ifi_req); @@ -421,19 +424,19 @@ stats->ffs_free_chunks_real++; } -void ocfs2_info_update_ffg(struct ocfs2_info_freefrag *ffg, - unsigned int chunksize) +static void ocfs2_info_update_ffg(struct ocfs2_info_freefrag *ffg, + unsigned int chunksize) { o2ffg_update_histogram(&(ffg->iff_ffs.ffs_fc_hist), chunksize); o2ffg_update_stats(&(ffg->iff_ffs), chunksize); } -int ocfs2_info_freefrag_scan_chain(struct ocfs2_super *osb, - struct inode *gb_inode, - struct ocfs2_dinode *gb_dinode, - struct ocfs2_chain_rec *rec, - struct ocfs2_info_freefrag *ffg, - u32 chunks_in_group) +static int ocfs2_info_freefrag_scan_chain(struct ocfs2_super *osb, + struct inode *gb_inode, + struct ocfs2_dinode *gb_dinode, + struct ocfs2_chain_rec *rec, + struct ocfs2_info_freefrag *ffg, + u32 chunks_in_group) { int status = 0, used; u64 blkno; @@ -531,9 +534,9 @@ return status; } -int ocfs2_info_freefrag_scan_bitmap(struct ocfs2_super *osb, - struct inode *gb_inode, u64 blkno, - struct ocfs2_info_freefrag *ffg) +static int ocfs2_info_freefrag_scan_bitmap(struct ocfs2_super *osb, + struct inode *gb_inode, u64 blkno, + struct ocfs2_info_freefrag *ffg) { u32 chunks_in_group; int status = 0, unlock = 0, i; @@ -611,8 +614,8 @@ return status; } -int ocfs2_info_handle_freefrag(struct inode *inode, - struct ocfs2_info_request __user *req) +static int ocfs2_info_handle_freefrag(struct inode *inode, + struct ocfs2_info_request __user *req) { u64 blkno = -1; char namebuf[40]; @@ -684,8 +687,8 @@ return status; } -int ocfs2_info_handle_unknown(struct inode *inode, - struct ocfs2_info_request __user *req) +static int ocfs2_info_handle_unknown(struct inode *inode, + struct ocfs2_info_request __user *req) { struct ocfs2_info_request oir; @@ -707,8 +710,8 @@ * - distinguish different requests. * - validate size of different requests. */ -int ocfs2_info_handle_request(struct inode *inode, - struct ocfs2_info_request __user *req) +static int ocfs2_info_handle_request(struct inode *inode, + struct ocfs2_info_request __user *req) { int status = -EFAULT; struct ocfs2_info_request oir; @@ -766,8 +769,8 @@ return status; } -int ocfs2_get_request_ptr(struct ocfs2_info *info, int idx, - u64 *req_addr, int compat_flag) +static int ocfs2_get_request_ptr(struct ocfs2_info *info, int idx, + u64 *req_addr, int compat_flag) { int status = -EFAULT; u64 __user *bp = NULL; @@ -804,8 +807,8 @@ * a better backward&forward compatibility, since a small piece of * request will be less likely to be broken if disk layout get changed. */ -int ocfs2_info_handle(struct inode *inode, struct ocfs2_info *info, - int compat_flag) +static int ocfs2_info_handle(struct inode *inode, struct ocfs2_info *info, + int compat_flag) { int i, status = 0; u64 req_addr; @@ -923,15 +926,21 @@ case FITRIM: { struct super_block *sb = inode->i_sb; + struct request_queue *q = bdev_get_queue(sb->s_bdev); struct fstrim_range range; int ret = 0; if (!capable(CAP_SYS_ADMIN)) return -EPERM; + if (!blk_queue_discard(q)) + return -EOPNOTSUPP; + if (copy_from_user(&range, argp, sizeof(range))) return -EFAULT; + range.minlen = max_t(u64, q->limits.discard_granularity, + range.minlen); ret = ocfs2_trim_fs(sb, &range); if (ret < 0) return ret; @@ -971,7 +980,6 @@ case OCFS2_IOC_GROUP_EXTEND: case OCFS2_IOC_GROUP_ADD: case OCFS2_IOC_GROUP_ADD64: - case FITRIM: break; case OCFS2_IOC_REFLINK: if (copy_from_user(&args, argp, sizeof(args)))