#include #include #define REISERFS_ACL_VERSION 0x0001 typedef struct { __le16 e_tag; __le16 e_perm; __le32 e_id; } reiserfs_acl_entry; typedef struct { __le16 e_tag; __le16 e_perm; } reiserfs_acl_entry_short; typedef struct { __le32 a_version; } reiserfs_acl_header; static inline size_t reiserfs_acl_size(int count) { if (count <= 4) { return sizeof(reiserfs_acl_header) + count * sizeof(reiserfs_acl_entry_short); } else { return sizeof(reiserfs_acl_header) + 4 * sizeof(reiserfs_acl_entry_short) + (count - 4) * sizeof(reiserfs_acl_entry); } } static inline int reiserfs_acl_count(size_t size) { ssize_t s; size -= sizeof(reiserfs_acl_header); s = size - 4 * sizeof(reiserfs_acl_entry_short); if (s < 0) { if (size % sizeof(reiserfs_acl_entry_short)) return -1; return size / sizeof(reiserfs_acl_entry_short); } else { if (s % sizeof(reiserfs_acl_entry)) return -1; return s / sizeof(reiserfs_acl_entry) + 4; } } #ifdef CONFIG_REISERFS_FS_POSIX_ACL struct posix_acl *reiserfs_get_acl(struct inode *inode, int type); int reiserfs_set_acl(struct inode *inode, struct posix_acl *acl, int type); int reiserfs_acl_chmod(struct inode *inode); int reiserfs_inherit_default_acl(struct reiserfs_transaction_handle *th, struct inode *dir, struct dentry *dentry, struct inode *inode); int reiserfs_cache_default_acl(struct inode *dir); #else #define reiserfs_cache_default_acl(inode) 0 #define reiserfs_get_acl NULL #define reiserfs_set_acl NULL static inline int reiserfs_acl_chmod(struct inode *inode) { return 0; } static inline int reiserfs_inherit_default_acl(struct reiserfs_transaction_handle *th, const struct inode *dir, struct dentry *dentry, struct inode *inode) { return 0; } #endif xt.git/log/include/trace/events/kmem.h?h=nds-private-remove'>logtreecommitdiff
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authorSriharsha Basavapatna <sriharsha.basavapatna@broadcom.com>2017-01-09 16:00:44 +0530
committerJ. Bruce Fields <bfields@redhat.com>2017-01-12 16:14:47 -0500
commitce1ca7d2d140a1f4aaffd297ac487f246963dd2f (patch)
tree5aeab5e0cb6ef404c894a18251588278b9432a2c /include/trace/events/kmem.h
parent546125d1614264d26080817d0c8cddb9b25081fa (diff)
svcrdma: avoid duplicate dma unmapping during error recovery
In rdma_read_chunk_frmr() when ib_post_send() fails, the error code path invokes ib_dma_unmap_sg() to unmap the sg list. It then invokes svc_rdma_put_frmr() which in turn tries to unmap the same sg list through ib_dma_unmap_sg() again. This second unmap is invalid and could lead to problems when the iova being unmapped is subsequently reused. Remove the call to unmap in rdma_read_chunk_frmr() and let svc_rdma_put_frmr() handle it. Fixes: 412a15c0fe53 ("svcrdma: Port to new memory registration API") Cc: stable@vger.kernel.org Signed-off-by: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com> Reviewed-by: Chuck Lever <chuck.lever@oracle.com> Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'include/trace/events/kmem.h')