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Message-ID: <aB2Q0A64l79MaAuR@li-dc0c254c-257c-11b2-a85c-98b6c1322444.ibm.com>
Date: Fri, 9 May 2025 10:51:20 +0530
From: Ojaswin Mujoo <ojaswin@...ux.ibm.com>
To: "Ritesh Harjani (IBM)" <ritesh.list@...il.com>
Cc: linux-ext4@...r.kernel.org, "Theodore Ts'o" <tytso@....edu>,
Jan Kara <jack@...e.cz>, John Garry <john.g.garry@...cle.com>,
djwong@...nel.org, linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH v3 3/7] ext4: Make ext4_meta_trans_blocks() non-static
for later use
On Fri, May 09, 2025 at 02:20:33AM +0530, Ritesh Harjani (IBM) wrote:
> Let's make ext4_meta_trans_blocks() non-static for use in later
> functions during ->end_io conversion for atomic writes.
> We will need this function to estimate journal credits for a special
> case. Instead of adding another wrapper around it, let's make this
> non-static.
>
> Signed-off-by: Ritesh Harjani (IBM) <ritesh.list@...il.com>
Looks good Ritesh. Feel free to add:
Reviewed-by: Ojaswin Mujoo <ojaswin@...ux.ibm.com>
> ---
> fs/ext4/ext4.h | 2 ++
> fs/ext4/inode.c | 6 +-----
> 2 files changed, 3 insertions(+), 5 deletions(-)
>
> diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
> index c0240f6f6491..e2b36a3c1b0f 100644
> --- a/fs/ext4/ext4.h
> +++ b/fs/ext4/ext4.h
> @@ -3039,6 +3039,8 @@ extern void ext4_set_aops(struct inode *inode);
> extern int ext4_writepage_trans_blocks(struct inode *);
> extern int ext4_normal_submit_inode_data_buffers(struct jbd2_inode *jinode);
> extern int ext4_chunk_trans_blocks(struct inode *, int nrblocks);
> +extern int ext4_meta_trans_blocks(struct inode *inode, int lblocks,
> + int pextents);
> extern int ext4_zero_partial_blocks(handle_t *handle, struct inode *inode,
> loff_t lstart, loff_t lend);
> extern vm_fault_t ext4_page_mkwrite(struct vm_fault *vmf);
> diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
> index b10e5cd5bb5c..2f99b087a5d8 100644
> --- a/fs/ext4/inode.c
> +++ b/fs/ext4/inode.c
> @@ -142,9 +142,6 @@ static inline int ext4_begin_ordered_truncate(struct inode *inode,
> new_size);
> }
>
> -static int ext4_meta_trans_blocks(struct inode *inode, int lblocks,
> - int pextents);
> -
> /*
> * Test whether an inode is a fast symlink.
> * A fast symlink has its symlink data stored in ext4_inode_info->i_data.
> @@ -5777,8 +5774,7 @@ static int ext4_index_trans_blocks(struct inode *inode, int lblocks,
> *
> * Also account for superblock, inode, quota and xattr blocks
> */
> -static int ext4_meta_trans_blocks(struct inode *inode, int lblocks,
> - int pextents)
> +int ext4_meta_trans_blocks(struct inode *inode, int lblocks, int pextents)
> {
> ext4_group_t groups, ngroups = ext4_get_groups_count(inode->i_sb);
> int gdpblocks;
> --
> 2.49.0
>
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