From 496ad9aa8ef448058e36ca7a787c61f2e63f0f54 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Wed, 23 Jan 2013 17:07:38 -0500 Subject: new helper: file_inode(file) Signed-off-by: Al Viro --- fs/gfs2/file.c | 17 ++++++++--------- fs/gfs2/rgrp.c | 2 +- 2 files changed, 9 insertions(+), 10 deletions(-) (limited to 'fs/gfs2') diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c index 991ab2d..44543df 100644 --- a/fs/gfs2/file.c +++ b/fs/gfs2/file.c @@ -157,7 +157,7 @@ static const u32 gfs2_to_fsflags[32] = { static int gfs2_get_flags(struct file *filp, u32 __user *ptr) { - struct inode *inode = filp->f_path.dentry->d_inode; + struct inode *inode = file_inode(filp); struct gfs2_inode *ip = GFS2_I(inode); struct gfs2_holder gh; int error; @@ -217,7 +217,7 @@ void gfs2_set_inode_flags(struct inode *inode) */ static int do_gfs2_set_flags(struct file *filp, u32 reqflags, u32 mask) { - struct inode *inode = filp->f_path.dentry->d_inode; + struct inode *inode = file_inode(filp); struct gfs2_inode *ip = GFS2_I(inode); struct gfs2_sbd *sdp = GFS2_SB(inode); struct buffer_head *bh; @@ -293,7 +293,7 @@ out_drop_write: static int gfs2_set_flags(struct file *filp, u32 __user *ptr) { - struct inode *inode = filp->f_path.dentry->d_inode; + struct inode *inode = file_inode(filp); u32 fsflags, gfsflags; if (get_user(fsflags, ptr)) @@ -336,7 +336,7 @@ static long gfs2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) static void gfs2_size_hint(struct file *filep, loff_t offset, size_t size) { - struct inode *inode = filep->f_dentry->d_inode; + struct inode *inode = file_inode(filep); struct gfs2_sbd *sdp = GFS2_SB(inode); struct gfs2_inode *ip = GFS2_I(inode); size_t blks = (size + sdp->sd_sb.sb_bsize - 1) >> sdp->sd_sb.sb_bsize_shift; @@ -386,7 +386,7 @@ static int gfs2_allocate_page_backing(struct page *page) static int gfs2_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf) { struct page *page = vmf->page; - struct inode *inode = vma->vm_file->f_path.dentry->d_inode; + struct inode *inode = file_inode(vma->vm_file); struct gfs2_inode *ip = GFS2_I(inode); struct gfs2_sbd *sdp = GFS2_SB(inode); unsigned long last_index; @@ -673,8 +673,7 @@ static ssize_t gfs2_file_aio_write(struct kiocb *iocb, const struct iovec *iov, { struct file *file = iocb->ki_filp; size_t writesize = iov_length(iov, nr_segs); - struct dentry *dentry = file->f_dentry; - struct gfs2_inode *ip = GFS2_I(dentry->d_inode); + struct gfs2_inode *ip = GFS2_I(file_inode(file)); int ret; ret = gfs2_rs_alloc(ip); @@ -772,7 +771,7 @@ static void calc_max_reserv(struct gfs2_inode *ip, loff_t max, loff_t *len, static long gfs2_fallocate(struct file *file, int mode, loff_t offset, loff_t len) { - struct inode *inode = file->f_path.dentry->d_inode; + struct inode *inode = file_inode(file); struct gfs2_sbd *sdp = GFS2_SB(inode); struct gfs2_inode *ip = GFS2_I(inode); unsigned int data_blocks = 0, ind_blocks = 0, rblocks; @@ -938,7 +937,7 @@ static int do_flock(struct file *file, int cmd, struct file_lock *fl) { struct gfs2_file *fp = file->private_data; struct gfs2_holder *fl_gh = &fp->f_fl_gh; - struct gfs2_inode *ip = GFS2_I(file->f_path.dentry->d_inode); + struct gfs2_inode *ip = GFS2_I(file_inode(file)); struct gfs2_glock *gl; unsigned int state; int flags; diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c index b7eff07..04af1cf 100644 --- a/fs/gfs2/rgrp.c +++ b/fs/gfs2/rgrp.c @@ -1257,7 +1257,7 @@ fail: int gfs2_fitrim(struct file *filp, void __user *argp) { - struct inode *inode = filp->f_dentry->d_inode; + struct inode *inode = file_inode(filp); struct gfs2_sbd *sdp = GFS2_SB(inode); struct request_queue *q = bdev_get_queue(sdp->sd_vfs->s_bdev); struct buffer_head *bh; -- cgit v1.1 From 94e07a7590ae855bae0536c42b3086fadc7c83a8 Mon Sep 17 00:00:00 2001 From: Namjae Jeon Date: Sun, 17 Feb 2013 15:48:11 +0900 Subject: fs: encode_fh: return FILEID_INVALID if invalid fid_type This patch is a follow up on below patch: [PATCH] exportfs: add FILEID_INVALID to indicate invalid fid_type commit: 216b6cbdcbd86b1db0754d58886b466ae31f5a63 Signed-off-by: Namjae Jeon Signed-off-by: Vivek Trivedi Acked-by: Steven Whitehouse Acked-by: Sage Weil Signed-off-by: Al Viro --- fs/gfs2/export.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'fs/gfs2') diff --git a/fs/gfs2/export.c b/fs/gfs2/export.c index 4767774..9973df4 100644 --- a/fs/gfs2/export.c +++ b/fs/gfs2/export.c @@ -37,10 +37,10 @@ static int gfs2_encode_fh(struct inode *inode, __u32 *p, int *len, if (parent && (*len < GFS2_LARGE_FH_SIZE)) { *len = GFS2_LARGE_FH_SIZE; - return 255; + return FILEID_INVALID; } else if (*len < GFS2_SMALL_FH_SIZE) { *len = GFS2_SMALL_FH_SIZE; - return 255; + return FILEID_INVALID; } fh[0] = cpu_to_be32(ip->i_no_formal_ino >> 32); -- cgit v1.1 From 41735818766c0ec215b9a69591e7eae642061954 Mon Sep 17 00:00:00 2001 From: Zhao Hongjiang Date: Wed, 20 Feb 2013 13:13:55 +1100 Subject: fs: change return values from -EACCES to -EPERM According to SUSv3: [EACCES] Permission denied. An attempt was made to access a file in a way forbidden by its file access permissions. [EPERM] Operation not permitted. An attempt was made to perform an operation limited to processes with appropriate privileges or to the owner of a file or other resource. So -EPERM should be returned if capability checks fails. Strictly speaking this is an API change since the error code user sees is altered. Signed-off-by: Zhao Hongjiang Acked-by: Jan Kara Acked-by: Steven Whitehouse Acked-by: Ian Kent Cc: Al Viro Signed-off-by: Andrew Morton Signed-off-by: Al Viro --- fs/gfs2/sys.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) (limited to 'fs/gfs2') diff --git a/fs/gfs2/sys.c b/fs/gfs2/sys.c index 8056b7b..0acbe2f 100644 --- a/fs/gfs2/sys.c +++ b/fs/gfs2/sys.c @@ -107,7 +107,7 @@ static ssize_t freeze_store(struct gfs2_sbd *sdp, const char *buf, size_t len) int n = simple_strtol(buf, NULL, 0); if (!capable(CAP_SYS_ADMIN)) - return -EACCES; + return -EPERM; switch (n) { case 0: @@ -135,7 +135,7 @@ static ssize_t withdraw_show(struct gfs2_sbd *sdp, char *buf) static ssize_t withdraw_store(struct gfs2_sbd *sdp, const char *buf, size_t len) { if (!capable(CAP_SYS_ADMIN)) - return -EACCES; + return -EPERM; if (simple_strtol(buf, NULL, 0) != 1) return -EINVAL; @@ -150,7 +150,7 @@ static ssize_t statfs_sync_store(struct gfs2_sbd *sdp, const char *buf, size_t len) { if (!capable(CAP_SYS_ADMIN)) - return -EACCES; + return -EPERM; if (simple_strtol(buf, NULL, 0) != 1) return -EINVAL; @@ -163,7 +163,7 @@ static ssize_t quota_sync_store(struct gfs2_sbd *sdp, const char *buf, size_t len) { if (!capable(CAP_SYS_ADMIN)) - return -EACCES; + return -EPERM; if (simple_strtol(buf, NULL, 0) != 1) return -EINVAL; @@ -179,7 +179,7 @@ static ssize_t quota_refresh_user_store(struct gfs2_sbd *sdp, const char *buf, u32 id; if (!capable(CAP_SYS_ADMIN)) - return -EACCES; + return -EPERM; id = simple_strtoul(buf, NULL, 0); @@ -194,7 +194,7 @@ static ssize_t quota_refresh_group_store(struct gfs2_sbd *sdp, const char *buf, u32 id; if (!capable(CAP_SYS_ADMIN)) - return -EACCES; + return -EPERM; id = simple_strtoul(buf, NULL, 0); @@ -213,7 +213,7 @@ static ssize_t demote_rq_store(struct gfs2_sbd *sdp, const char *buf, size_t len int rv; if (!capable(CAP_SYS_ADMIN)) - return -EACCES; + return -EPERM; rv = sscanf(buf, "%u:%llu %15s", &gltype, &glnum, mode); @@ -502,7 +502,7 @@ static ssize_t quota_scale_store(struct gfs2_sbd *sdp, const char *buf, unsigned int x, y; if (!capable(CAP_SYS_ADMIN)) - return -EACCES; + return -EPERM; if (sscanf(buf, "%u %u", &x, &y) != 2 || !y) return -EINVAL; @@ -521,7 +521,7 @@ static ssize_t tune_set(struct gfs2_sbd *sdp, unsigned int *field, unsigned int x; if (!capable(CAP_SYS_ADMIN)) - return -EACCES; + return -EPERM; x = simple_strtoul(buf, NULL, 0); -- cgit v1.1